{"id":1028,"date":"2025-04-27T15:50:05","date_gmt":"2025-04-27T07:50:05","guid":{"rendered":"https:\/\/eve2333.top\/?p=1028"},"modified":"2025-04-27T15:50:05","modified_gmt":"2025-04-27T07:50:05","slug":"%e9%bb%91%e9%a9%ac%e7%82%b9%e8%af%84redis%e6%94%b9-part-4","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=1028","title":{"rendered":"\u9ed1\u9a6c\u70b9\u8bc4redis\u6539 part 4"},"content":{"rendered":"\n<p>\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&nbsp;&nbsp;Redis\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u5f02\u6b65\u79d2\u6740<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e00\u4e9b\u989d\u5916\u8bdd\u8bed\uff1a\u8fc7\u6765\u4eba\u63d0\u9192\u4e0b\uff0c\u4e0d\u8981\u7528stream\uff0c\u53ef\u4ee5\u8df3\u8fc7\u4e0d\u770b\uff0c\u7528\u4e13\u4e1a\u7684\u6d88\u606f\u961f\u5217\u4e2d\u95f4\u4ef6\uff0c\u540c\u65f6\u51c6\u5907\u597d\u6d88\u606f\u961f\u5217\u7684\u516b\u80a1\uff0c\u5426\u5219\u7b80\u964b\u7684stream\u5f88\u5bb9\u6613\u88ab\u95ee\u6b7b\u3002 \u5f02\u6b65\u6301\u4e45\u5316\u8fd8\u5b58\u5728\u6d88\u606f\u4e22\u5931\u3001\u6d88\u606f\u91cd\u590d\u6d88\u8d39\u7684\u5e42\u7b49\u6027\u95ee\u9898\u5c24\u5176\u8981\u6ce8\u610f\u3002 \u53e6\u5916\u751f\u6210\u5206\u5e03\u5f0f\u552f\u4e00id\u7684\u65b9\u6848\u4e5f\u4e0d\u592a\u884c\uff0c\u9ad8\u5ea6\u4f9d\u8d56Redis\u7684\u53ef\u7528\u6027\uff0c\u6700\u597d\u7528\u96ea\u82b1\u7b97\u6cd5 \u4e2a\u4eba\u89c9\u5f97\u5f02\u6b65\u6301\u4e45\u5316\u8fd9\u5757\u770b\u7740\u8fd8\u884c\uff0c\u5176\u5b9e\u95ee\u9898\u4e0d\u5c0f<br><a href=\"https:\/\/blog.csdn.net\/qq_51597192\/article\/details\/146232531?fromshare=blogdetail&amp;sharetype=blogdetail&amp;sharerId=146232531&amp;sharerefer=PC&amp;sharesource=qq_51597192&amp;sharefrom=from_link\" target=\"_blank\"  rel=\"nofollow\" >\u3010\u9ed1\u9a6c\u70b9\u8bc4\u3011 \u4f7f\u7528RabbitMQ\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u79d2\u6740\u4e0b\u5355\uff08\u5b8c\u7f8e\u5951\u5408\u70b9\u8bc4Redis\u8981\u6c42\uff09_\u9ed1\u9a6c\u70b9\u8bc4\u9879\u76ee\u7684\u6700\u5927\u5e76\u53d1\u91cf-CSDN\u535a\u5ba2<\/a><\/p>\n<\/blockquote>\n\n\n\n<p>\u6d88\u606f\u961f\u5217\uff08MessageQueue\uff09\uff0c\u5b57\u9762\u610f\u601d\u5c31\u662f\u5b58\u653e\u6d88\u606f\u7684\u961f\u5217\u3002\u6700\u7b80\u5355\u7684\u6d88\u606f\u961f\u5217\u6a21\u578b\u5305\u62ec3\u4e2a\u89d2\u8272\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d88\u606f\u961f\u5217\uff1a\u5b58\u50a8\u548c\u7ba1\u7406\u6d88\u606f\uff0c\u4e5f\u88ab\u79f0\u4e3a\u6d88\u606f\u4ee3\u7406\uff08MessageBroker\uff09<\/li>\n\n\n\n<li>\u751f\u4ea7\u8005\uff1a\u53d1\u9001\u6d88\u606f\u5230\u6d88\u606f\u961f\u5217<\/li>\n\n\n\n<li>\u6d88\u8d39\u8005\uff1a\u4ece\u6d88\u606f\u961f\u5217\u83b7\u53d6\u6d88\u606f\u5e76\u5904\u7406\u6d88\u606f<\/li>\n<\/ul>\n\n\n\n<p>&nbsp;mq\u662f\u72ec\u7acb\u4e8ejvm\u4ee5\u5916\u7684\u9879\u76ee\uff0c\u4e0d\u53d7jvm\u5185\u5b58\u7684\u9650\u5236<\/p>\n\n\n\n<p>\u6d88\u606f\u961f\u5217\u4e0d\u4ec5\u4ec5\u662f\u505a\u6570\u636e\u5b58\u50a8\uff0c\u8fd8\u786e\u4fdd\u6211\u4eec\u7684\u6570\u636e\u5b89\u5168\uff0c\u6240\u6709\u6570\u636e\u5747\u5b9e\u73b0\u6301\u4e45\u5316\uff0c\u8fd9\u6837\u5462\u4e0d\u7ba1\u662f\u670d\u52a1\u5ca9\u673a\u8fd8\u662f\u91cd\u542f\uff0c\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u3002\u800c\u4e14\u554a\u4ed6\u8981\u5728\u6d88\u606f\u6295\u9012\u7ed9\u6d88\u8d39\u8005\u4ee5\u540e\u8981\u6c42\u6d88\u8d39\u8005\u505a\u6d88\u606f\u7684\u786e\u8ba4\uff0c\u5982\u679c\u6d88\u606f\u6ca1\u6709\u786e\u8ba4\uff0c\u90a3\u4e48\u90a3\u4e48\u8fd9\u4e2a\u6d88\u606f\u5c31\u4f1a\u5728\u961f\u5217\u5f53\u4e2d\u4f9d\u7136\u5b58\u5728\uff0c\u4e0b\u4e00\u6b21\u5462\u4f1a\u518d\u6295\u9012\u7ed9\u6d88\u8d39\u8005\u76f4\u5230\u6210\u529f\u4e3a\u6b62\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"194\" width=\"669\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/38817366c16a4940bc154bde9b0f818a.png\" alt=\"\"><\/p>\n\n\n\n<p>Redis\u63d0\u4f9b\u4e86\u4e09\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>list\u7ed3\u6784\uff1a\u57fa\u4e8eList\u7ed3\u6784\u6a21\u62df\u6d88\u606f\u961f\u5217<\/li>\n\n\n\n<li>PubSub\uff1a\u57fa\u672c\u7684\u70b9\u5bf9\u70b9\u6d88\u606f\u6a21\u578b<\/li>\n\n\n\n<li>Stream\uff1a\u6bd4\u8f83\u5b8c\u5584\u7684\u6d88\u606f\u961f\u5217\u6a21\u578b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;&nbsp;\u57fa\u4e8eList\u7ed3\u6784\u6a21\u62df\u6d88\u606f\u961f\u5217<\/h3>\n\n\n\n<p>\u6d88\u606f\u961f\u5217\uff08MessageQueue\uff09\uff0c\u5b57\u9762\u610f\u601d\u5c31\u662f\u5b58\u653e\u6d88\u606f\u7684\u961f\u5217\u3002\u800cRedis\u7684list\u6570\u636e\u7ed3\u6784\u662f\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\uff0c\u5f88\u5bb9\u6613\u6a21\u62df\u51fa\u961f\u5217\u6548\u679c\u3002\u961f\u5217\u662f\u5165\u53e3\u548c\u51fa\u53e3\u4e0d\u5728\u4e00\u8fb9\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5229\u7528\uff1aLPUSH\u7ed3\u5408RPOP\u3001\u6216\u8005RPUSH\u7ed3\u5408LPOP\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>&nbsp;\u4f46\u662f\u8fd9\u662f\u975e\u963b\u585e\u5f0f\u7684\uff0c\u5f53\u6ca1\u6709\u6d88\u606f\u7684\u65f6\u5019\uff0c\u4e0d\u8fc7\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u961f\u5217\u4e2d\u6ca1\u6709\u6d88\u606f\u65f6RPOP\u6216LPOP\u64cd\u4f5c\u4f1a\u8fd4\u56denu\u4ee5\uff0c\u5e76\u4e0d\u50cfJVM\u7684\u963b\u585e\u961f\u5217\u90a3\u6837\u4f1a\u963b\u585e\u5e76\u7b49\u5f85\u6d88\u606f\uff0c\u56e0\u6b64\u8fd9\u91cc\u5e94\u8be5\u4f7f\u7528BRPOP\u6216\u8005BLPOP\u6765\u5b9e\u73b0\u963b\u585e\u6548\u679c\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"82\" width=\"670\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/69cf6ce07c2144b5a3cee92eeb9413fc.png\" alt=\"\"><\/p>\n\n\n\n<p>&nbsp;\u6211\u4eec\u5c1d\u8bd5\u5728redis\u4e2d\u5b9e\u73b0\u4e00\u4e9b\uff0c\u6d88\u8d39\u8005\u4e00\u4fa7\u540d\u5b57\u662fl1\u7684\u76d1\u542c\u7684\u963b\u585e\u961f\u5217\uff0c\u963b\u585e\u65f6\u95f4\u662f20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BRPOP l1 20<\/code><\/pre>\n\n\n\n<p>\u53e6\u4e00\u4e2a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>LPUSH l1 e1 e2<\/code><\/pre>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"244\" width=\"342\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/c9c24cd2c3c54b9da6ba5c45350bbbbb.png\" alt=\"\"><\/p>\n\n\n\n<p>&nbsp;\u7f3a\u70b9\uff1a\u65e0\u6cd5\u907f\u514d\u6d88\u606f\u4e22\u5931\uff1b\u53ea\u652f\u6301\u5355\u6d88\u8d39\u8005<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;\u57fa\u4e8ePubSub\u7684\u6d88\u606f\u961f\u5217<\/h3>\n\n\n\n<p>Pubsub\uff08\u53d1\u5e03\u8ba2\u9605\uff09\u662fRedis2.0\u7248\u672c\u5f15\u5165\u7684\u6d88\u606f\u4f20\u9012\u6a21\u578b\u3002\u987e\u540d\u601d\u4e49\uff0c\u6d88\u8d39\u8005\u53ef\u4ee5\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2achannel\uff0c\u751f\u4ea7\u8005\u5411\u5bf9\u5e94channel\u53d1\u9001\u6d88\u606f\u540e\uff0c\u6240\u6709\u8ba2\u9605\u8005\u90fd\u80fd\u6536\u5230\u76f8\u5173\u6d88\u606f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SUBSCRIBE channel [channel]\uff1a\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2a\u9891\u9053<\/li>\n\n\n\n<li>PUBLISH channel msg\uff1a\u5411\u4e00\u4e2a\u9891\u9053\u53d1\u9001\u6d88\u606f<\/li>\n\n\n\n<li>PSUBSCRIBE pattern [pattern]\uff1a\u8ba2\u9605\u4e0epattern\u683c\u5f0f\u5339\u914d\u7684\u6240\u6709\u9891\u9053<\/li>\n<\/ul>\n\n\n\n<p>&nbsp;\u4e0b\u9762\u662f2\u4e2a\u6d88\u8d39\u8005\uff0c\u4e0a\u9762\u7684\u662f\u751f\u6210\u8005<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e3a\u4e24\u4e2a\u6d88\u8d39\u8005\u5206\u522b\nSUBSCRIBE order.q1\n\nPSUBSCRIBE order.*<\/code><\/pre>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"330\" width=\"274\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/e8ec5dfc06bc4feebcb18585a608cc22.png\" alt=\"\"><\/p>\n\n\n\n<p>&nbsp;\u751f\u4ea7\u8005\u91cc\u9762\u8fd9\u4e2a\uff0c\u53cc\u65b9\u90fd\u53d7\u5230\u6d88\u606f\uff1b&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PUBLISH order.q1 hellohello<\/code><\/pre>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"354\" width=\"404\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/72dcdde7341f47bd852e9fd90583de74.png\" alt=\"\">\u800c\u53d1\u9001q2\u53ea\u4f1a\u7b2c\u4e8c\u4e2a\u6536\u5230<img loading=\"lazy\" decoding=\"async\" height=\"330\" width=\"346\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/883d4e3927d84a96aa5f00bbc7be20b3.png\" alt=\"\"><\/p>\n\n\n\n<p>&nbsp;\u57fa\u4e8ePubSub\u7684\u6d88\u606f\u961f\u5217\u6709\u54ea\u4e9b\u4f18\u7f3a\u70b9\uff1f<br>\u4f18\u70b9\uff1a\u91c7\u7528\u53d1\u5e03\u8ba2\u9605\u6a21\u578b\uff0c\u652f\u6301\u591a\u751f\u4ea7\u3001\u591a\u6d88\u8d39<br>\u7f3a\u70b9\uff1a\u4e0d\u652f\u6301\u6570\u636e\u6301\u4e45\u5316\uff1b\u65e0\u6cd5\u907f\u514d\u6d88\u606f\u4e22\u5931\uff1b\u6d88\u606f\u5806\u79ef\u6709\u4e0a\u9650\uff0c\u8d85\u51fa\u65f6\u6570\u636e\u4e22\u5931\uff1b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u4e8eStream\u7684\u6d88\u606f\u961f\u5217<\/h3>\n\n\n\n<p>Stream\u662fRedis5.0\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u975e\u5e38\u5b8c\u5584\u7684\u6d88\u606f\u961f\u5217\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"225\" width=\"674\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/70cee63517be491ea1a461d6f53f2451.png\" alt=\"\"><img loading=\"lazy\" decoding=\"async\" height=\"274\" width=\"1008\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/bfdc250d248143f986ba0d598c7fb801.png\" alt=\"\"><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>XADD s1 * k1 v1\n\nXREAD COUNT 1 STREAMS s1 0<\/code><\/pre>\n\n\n\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" height=\"499\" width=\"374\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/97829a9ddb124160b677f5d25e9d6869.png\" alt=\"\"><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&nbsp;\u6d88\u606f\u5df2\u7ecf\u6c38\u4e45\u5b58\u5728\uff0c\nXREAD\u963b\u585e\u65b9\u5f0f\uff0c\u8bfb\u53d6\u6700\u65b0\u7684\u6d88\u606f\uff1a\n127.0.0.1:6379&gt; XREAD COUNT 1 BLOCK 1000 STREAMS uSerS $\n(nil)\n(1.07s)\n\n\u5728\u4e1a\u52a1\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5faa\u73af\u7684\u8c03\u7528XREAD\u963b\u585e\u65b9\u5f0f\u6765\u67e5\u8be2\u6700\u65b0\u6d88\u606f\uff0c\u4ece\u800c\u5b9e\u73b0\u6301\u7eed\u76d1\u542c\n\u961f\u5217\u7684\u6548\u679c\uff0c\u4f2a\u4ee3\u7801\u5982\u4e0b\uff1a<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5f53\u6211\u4eec\u6307\u5b9a\u8d77\u59cbID\u4e3a$\u65f6\uff0c\u4ee3\u8868\u8bfb\u53d6\u6700\u65b0\u7684\u6d88\u606f\uff0c\u5982\u679c\u6211\u4eec\u5904\u74061\u6761\u6d88\u606f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53c8\u6709\u8d85\u8fc71\u6761\u4ee5\u4e0a\u7684\u6d88\u606f\u5230\u8fbe\u961f\u5217\uff0c\u5219\u4e0b\u6b21\u83b7\u53d6\u65f6\u4e5f\u53ea\u80fd\u83b7\u53d6\u5230\u6700\u65b0\u7684\u4e00\u6761\uff0c\u4f1a\u51fa\u73b0\u6f0f\u8bfb\u6d88\u606f\u7684\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u91cc\u8001\u5e08\u662f\u60f3\u63d0\u9192\u6211\u4eec\uff0cxread...$\u662f\u8bfb\u53d6\u8fd9\u6761\u547d\u4ee4\u4e4b\u540e\u63a5\u6536\u5230\u7684\u6700\u65b0\u6d88\u606f\u3002\u6267\u884c\u547d\u4ee4\u4e4b\u524d\u53d1\u5e03\u7684\u6d88\u606f\u5c06\u4e0d\u4f1a\u88ab\u5305\u542b\u5728\u7ed3\u679c\u4e2d\uff0cSTREAM\u7c7b\u578b\u6d88\u606f\u961f\u5217\u7684XREAD\u547d\u4ee4\u7279\u70b9\uff1a<br>\u6d88\u606f\u53ef\u56de\u6eaf\uff1b\u4e00\u4e2a\u6d88\u606f\u53ef\u4ee5\u88ab\u591a\u4e2a\u6d88\u8d39\u8005\u8bfb\u53d6\uff1b\u53ef\u4ee5\u963b\u585e\u8bfb\u53d6\uff1b\u6709\u6d88\u606f\u6f0f\u8bfb\u7684\u98ce\u9669<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;\u57fa\u4e8eStream\u7684\u6d88\u606f\u961f\u5217-\u6d88\u8d39\u8005\u7ec4<\/h3>\n\n\n\n<p>\u6d88\u8d39\u8005\u7ec4\uff08ConsumerGroup\uff09\uff1a\u5c06\u591a\u4e2a\u6d88\u8d39\u8005\u5212\u5206\u5230\u4e00\u4e2a\u7ec4\u4e2d\uff0c\u76d1\u542c\u540c\u4e00\u4e2a\u961f\u5217\u3002\u5177\u5907\u4e0b\u5217\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d88\u606f\u5206\u6d41\uff1a\u961f\u5217\u4e2d\u7684\u6d88\u606f\u4f1a\u5206\u6d41\u7ed9\u7ec4\u5185\u7684\u4e0d\u540c\u6d88\u8d39\u8005\uff0c\u800c\u4e0d\u662f\u91cd\u590d\u6d88\u8d39\uff0c\u4ece\u800c\u52a0\u5feb\u6d88\u606f\u5904\u7406\u7684\u901f\u5ea6<\/li>\n\n\n\n<li>\u6d88\u606f\u6807\u793a\uff1a\u6d88\u8d39\u8005\u7ec4\u4f1a\u7ef4\u62a4\u4e00\u4e2a\u6807\u793a\uff0c\u8bb0\u5f55\u6700\u540e\u4e00\u4e2a\u88ab\u5904\u7406\u7684\u6d88\u606f\uff0c\u54ea\u6015\u6d88\u8d39\u8005\u5b95\u673a\u91cd\u542f\uff0c\u8fd8\u4f1a\u4ece\u6807\u793a\u4e4b\u540e\u8bfb\u53d6\u6d88\u606f\u3002\u786e\u4fdd\u6bcf\u4e00\u4e2a\u6d88\u606f\u90fd\u4f1a\u88ab\u6d88\u8d39\u00a0<\/li>\n\n\n\n<li>\u00a0\u6d88\u606f\u786e\u8ba4\uff1a\u6d88\u8d39\u8005\u83b7\u53d6\u6d88\u606f\u540e\uff0c\u6d88\u606f\u5904\u4e8epending\u72b6\u6001\uff0c\u5e76\u5b58\u5165\u4e00\u4e2apending-List\u3002\u5f53\u5904\u7406\u5b8c\u6210\u540e\u9700\u8981\u901a\u8fc7XACK\u6765\u786e\u8ba4\u6d88\u606f\uff0c\u6807\u8bb0\u6d88\u606f\u4e3a\u5df2\u5904\u7406\uff0c\u624d\u4f1a\u4ecepending-list\u79fb\u9664\u3002\uff08\u5728\u4ee5\u524d\u7684\u6d88\u606f\u961f\u5217\u6a21\u5f0f\u5f53\u4e2d\u5982\u679c\u6211\u4eec\u62ff\u5230\u8fd9\u6761\u6d88\u606f\uff0c\u6ca1\u6765\u7684\u53ca\u5904\u7406\u6302\u4e86\uff0c\u6d88\u606f\u4e22\u5931\uff0c\u4f46\u662f\u73b0\u5728\u6d88\u606f\u4f1a\u5904\u4e8e\u4e00\u4e2a\u5f85\u5904\u7406\u72b6\u6001\uff0c\u4e0d\u4f1a\u6d88\u5931\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u521b\u5efa\u6d88\u8d39\u8005\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>XGROUP CREATE key groupName ID &#91;MKSTREAM]\n\n\nkey\uff1a\u961f\u5217\u540d\u79f0\ngroupName\uff1a\u6d88\u8d39\u8005\u7ec4\u540d\u79f0\nID\uff1a\u8d77\u59cbID\u6807\u793a\uff0c$\u4ee3\u8868\u961f\u5217\u4e2d\u6700\u540e\u4e00\u4e2a\u6d88\u606f\uff0c0\u5219\u4ee3\u8868\u961f\u5217\u4e2d\u7b2c\u4e00\u4e2a\u6d88\u606f\nMKSTREAM\uff1a\u961f\u5217\u4e0d\u5b58\u5728\u65f6\u81ea\u52a8\u521b\u5efa\u961f\u5217\n\n\n\u5176\u5b83\u5e38\u89c1\u547d\u4ee4\uff1a\n\n# \u5220\u9664\u6307\u5b9a\u7684\u6d88\u8d39\u8005\u7ec4\nXGROUP DESTROY key groupName\n\n# \u7ed9\u6307\u5b9a\u7684\u6d88\u8d39\u8005\u7ec4\u6dfb\u52a0\u6d88\u8d39\u8005\nXGROUP CREATECONSUMER key groupname consumername\n\n# \u5220\u9664\u6d88\u8d39\u8005\u7ec4\u4e2d\u7684\u6307\u5b9a\u6d88\u8d39\u8005\nXGROUP DELCONSUMER key groupname consumername<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4ece\u6d88\u8d39\u8005\u7ec4\u8bfb\u53d6\u6d88\u606f\uff1a\nXREADGROUP GROUP group consumer &#91;COUNT count] &#91;BLOCK milliseconds] &#91;NOACK] STREAMS\nkey &#91;key ...] ID &#91;ID ...]\n\n- group\uff1a\u6d88\u8d39\u7ec4\u540d\u79f0\n- consumer\uff1a\u6d88\u8d39\u8005\u540d\u79f0\uff0c\u5982\u679c\u6d88\u8d39\u8005\u4e0d\u5b58\u5728\uff0c\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u6d88\u8d39\u8005\n- count\uff1a\u672c\u6b21\u67e5\u8be2\u7684\u6700\u5927\u6570\u91cf\n- BLOCK milliseconds\uff1a\u5f53\u6ca1\u6709\u6d88\u606f\u65f6\u6700\u957f\u7b49\u5f85\u65f6\u95f4\n- NOACK\uff1a\u65e0\u9700\u624b\u52a8ACK\uff0c\u83b7\u53d6\u5230\u6d88\u606f\u540e\u81ea\u52a8\u786e\u8ba4\n- STREAMS key\uff1a\u6307\u5b9a\u961f\u5217\u540d\u79f0\n- ID\uff1a\u83b7\u53d6\u6d88\u606f\u7684\u8d77\u59cbID\uff1a\n  - \"$\"\uff1a\u4ece\u4e0b\u4e00\u4e2a\u672a\u6d88\u8d39\u7684\u6d88\u606f\u5f00\u59cb\n  - \u5176\u5b83\uff1a\u6839\u636e\u6307\u5b9aid\u4ecepending-list\u4e2d\u83b7\u53d6\u5df2\u6d88\u8d39\u4f46\u672a\u786e\u8ba4\u7684\u6d88\u606f\uff0c\u4f8b\u59820\uff0c\u662f\u4ece\npending-list\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6d88\u606f\u5f00\u59cb<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>XGROUP CREATE s1 g1 0\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>127.0.0.1:6379&gt; XREADGROUP GROUP g1 c1 COUNT 1 BLOCK 2000 STREAMS s1 &gt;\n1) 1) \"s1\"\n   2) 1) 1) \"1745160974438-0\"\n         2) 1) \"k1\"\n            2) \"v1\"\n<\/code><\/pre>\n\n\n\n<p>\u6d88\u8d39\u8005C1\uff0c\u4ece\u961f\u5217S1\u76d1\u542c\u7684\u6d88\u8d39\u8005\u7ec4G1\u4e2d\uff0c\u8bfb\u53d6\u4e0b\u4e00\u4e2a\u672a\u6d88\u8d39\u7684\u6d88\u606f\uff0c\u7b49\u5f85\u65f6\u95f4\u4e3a2S<\/p>\n\n\n\n<p>&nbsp;\u8fd9\u6b21\u6211\u628a\u6d88\u8d39\u8005\u7684\u540d\u5b57\u6539\u6210c2\uff0c\u90a3\u4e48\u8bfb\u53d6\u7684\u5c31\u662fk3v3\u4e86\uff0c\u56e0\u4e3a\u4e00\u4e2a\u7ec4\u5185\u53ea\u6709\u4e00\u4e2a\u6807\u8bb0\uff0c\u4e0d\u7ba1\u8c01\u6d88\u8d39\u7684\uff0c\u53ea\u8981\u6d88\u8d39\u5230\u90a3\u91cc\u4e86\u5c31\u6807\u8bb0\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>XACK s1 g1 1745160974438-0\n#\u540e\u9762\u8fd8\u80fd\u52a0\u4f60\u8981\u786e\u8ba4\u7684\u5bf9\u5e94\u7684id\u53f7\n\n\n127.0.0.1:6379&gt; XACK s1 g1 1745160974438-0\n(integer) 1\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>127.0.0.1:6379&gt; XPENDING s1 g1 - + 10\n(empty array)\n\n\n\u8fd9\u6837\u4f60\u5c31\u83b7\u5f97\u6240\u6709\u6ca1\u6709\u786e\u8ba4\u7684\u6d88\u606f\u4e86<\/code><\/pre>\n\n\n\n<p>\u90a3\u600e\u4e48\u6837\u53bb\u8bfb\u53d6\u5230penlist\u91cc\u9762\u6d88\u606f\uff1f\u5c31\u662f\u5f53\u6211\u4eec\u53bbread\u8fd9\u6761\u6d88\u606f\u7684\u65f6\u5019\uff0c\u628a\u5927\u4e8e\u53f7\u6539\u6210\u96f6\u6216\u8005\u6539\u6210\u4efb\u610f\u90fd\u884c\uff1b\u4ee3\u8868\u7684\u542b\u4e49\u5c31\u662f\u8bfb\u53d6penlist\u7684\u7b2c\u4e00\u6761\u6d88\u606f\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u518d\u6b21\u5904\u7406\u8fd9\u6761\u6d88\u606f\u4e86\u3002\uff08\u7ee7\u7eedXACK\u4e86\uff09<\/p>\n\n\n\n<p><strong>\u5f53\u6d88\u8d39\u8005\u8fdb\u5165\u7ec4\u91cc\u540e\uff0c\u6240\u6709\u6d88\u606f\u5b58\u5165\u6b64\u6d88\u8d39\u8005\u7684pending-list\u4e2d\uff0c\u5904\u4e8epending\u72b6\u6001\uff0c\u53ea\u6709\u5f53\u6211\u4eec\u624b\u52a8xack\u6765\u786e\u5b9a\u6d88\u606f\uff0c\u624d\u4f1a\u4ecepending-list\u4e2d\u79fb\u9664\uff0c\u6b64\u65f6\u53ef\u4ee5\u907f\u514d\u6d88\u606f\u8bfb\u53d6\u540e\uff0c\u7ed3\u679c\u7a0b\u5e8f\u5b95\u673a\uff08\u4e0d\u662fredis\uff09\uff0c\u6211\u4eec\u7a0b\u5e8f\u8fd8\u6ca1\u6765\u5f97\u53ca\u5904\u7406\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u4ecepending-list\u4e2d\u91cd\u65b0\u83b7\u53d6<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>while(true){\n    \/\/ \u5c1d\u8bd5\u76d1\u542c\u961f\u5217\uff0c\u4f7f\u7528\u963b\u585e\u6a21\u5f0f\uff0c\u6700\u957f\u7b49\u5f85 2000 \u6beb\u79d2\n    Object msg = redis.call(\"XREADGROUP GROUP g1 c1 COUNT 1 BLOCK 2000 STREAMS s1 &gt;\");\n    if(msg == null){ \/\/ null\u8bf4\u660e\u6ca1\u6709\u6d88\u606f\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\n        continue;\n    }\n    try {\n        \/\/ \u5904\u7406\u6d88\u606f\uff0c\u5b8c\u6210\u540e\u4e00\u5b9a\u8981ACK\n        handleMessage(msg);\n    } catch(Exception e){\n        while(true){\n            Object msg = redis.call(\"XREADGROUP GROUP g1 c1 COUNT 1 STREAMS s1 0\");\n            if(msg == null){ \/\/ null\u8bf4\u660e\u6ca1\u6709\u5f02\u5e38\u6d88\u606f\uff0c\u6240\u6709\u6d88\u606f\u90fd\u5df2\u786e\u8ba4\uff0c\u7ed3\u675f\u5faa\u73af\n                break;\n            }\n            try {\n                \/\/ \u8bf4\u660e\u6709\u5f02\u5e38\u6d88\u606f\uff0c\u518d\u6b21\u5904\u7406\n                handleMessage(msg);\n            } catch(Exception e){\n                \/\/ \u518d\u6b21\u51fa\u73b0\u5f02\u5e38\uff0c\u8bb0\u5f55\u65e5\u5fd7\uff0c\u7ee7\u7eed\u5faa\u73af\n                continue;\n            }\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u4e00\u4e0a\u6765\u5c31\u662f\u4e00\u4e2a<code>while(true)<\/code>\u7684\u6b7b\u5faa\u73af\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u7684\u6d88\u8d39\u8005\u4f1a\u5faa\u73af\u5f80\u590d\u5730\u4e00\u76f4\u53bb\u83b7\u53d6\u6d88\u8d39\u8005\u7ec4\u4e2d\u7684\u6d88\u606f\u554a\u3002\u6240\u4ee5\u4e0a\u6765\u4ee5\u540e\uff0c\u8fd9\u91cc\u5c31\u662f<code>xreadgroup<\/code>\uff0c\u8bfb\u53d6\u6211\u4eec\u8fd9\u4e2a\u7ec4\u7684\u6d88\u606f\uff0c\u7136\u540e\u6307\u5b9a\u6d88\u8d39\u8005\u540d\u79f0\uff0c\u7136\u540e\u8bfb\u53d6\u4e00\u6761<code>block<\/code>\u5462\u5c31\u662f\u963b\u585e\u554a\uff0c\u5982\u679c\u8bf4\u6709\u6d88\u606f\uff0c\u6211\u5c31\u76f4\u63a5\u8fd4\u56de\u8fd9\u4e2a\u6d88\u606f\u4e86\uff0c\u5982\u679c\u6ca1\u6709\u6d88\u606f\u5462\uff0c\u6211\u5c31\u6700\u591a\u7b49\u5f85\u4e24\u79d2\u949f\uff0c\u4e24\u79d2\u949f\u8fd8\u6ca1\u6709\u554a\uff0c\u6211\u5c31\u4f1a\u8fd4\u56de\u7a7a\u4e86\u3002\u5f80\u4e0b\u5462\u662f\u6211\u4eec\u7684\u961f\u5217\u540d\u79f0\uff0c\u6700\u540e\u662f\u5927\u4e8e\u53f7\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u8bfb\u53d6\u7684\u662f\u8fd9\u4e2a\u7ec4\u5f53\u4e2d\u7684\u5c1a\u672a\u5904\u7406\u3001\u5c1a\u672a\u6d88\u8d39\u7684\u6d88\u606f\u554a\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u6211\u4eec\u62ff\u5230\u8fd9\u4e2a\u7ed3\u679c\u4ee5\u540e\uff0c\u5982\u679c\u4e3a\u7a7a\uff0c\u90a3\u5c31\u8bf4\u660e\u73b0\u5728\u6ca1\u6709\u6d88\u606f\uff0c\u6211\u4eec\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\uff0c\u90a3\u518d\u6765\u7b49\u5f85\u5c31\u884c\u4e86\u554a\u3002\u90a3\u5047\u8bbe\u8bf4\u73b0\u5728\u6211\u4eec\u62ff\u5230\u6d88\u606f\u4e86\uff0c\u62ff\u5230\u6d88\u606f\u6211\u80af\u5b9a\u53bb\u5904\u7406\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u4f46\u662f\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e2a\u6d88\u606f\u5904\u7406\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u95ee\u9898\uff0c\u6700\u540e\u5b8c\u6210\u4e86\u4e00\u5b9a\u8981\u53bb\u505a<code>ack<\/code>\uff0c\u8fd9\u6837\u6d88\u606f\u5c31\u4f1a\u4ece<code>pending list<\/code>\u91cc\u79fb\u9664\u4e86\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u4f46\u662f\u5982\u679c\u6211\u4eec\u5904\u7406\u8fc7\u7a0b\u4e2d\u629b\u51fa\u4e86\u5f02\u5e38\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6d88\u606f\u56e0\u4e3a\u6ca1\u6709\u505a<code>ack<\/code>\uff0c\u6240\u4ee5\u5462\u4ed6\u5c31\u4f1a\u4f9d\u7136\u5728\u6211\u4eec\u7684<code>pending list<\/code>\u5f53\u4e2d\u3002\u8fd9\u65f6\u5019\u6211\u4eec\u6355\u83b7\u4e86\u5f02\u5e38\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u53bb\u5904\u7406<code>pending list<\/code>\u4e86\u3002\u6240\u4ee5\u5462\u8fd9\u91cc\u53c8\u662f\u4e00\u4e2a<code>while(true)<\/code>\u554a\uff0c\u6211\u8981\u4f4f\u91cc\u8fb9\u5462\uff0c\u5c1d\u8bd5\u53bb\u8bfb\u53d6\uff0c\u4f60\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e00\u6b21\u8bfb\u53d6\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u628a\u5927\u4e8e\u53f7\u66ff\u6362\u6210\u96f6\u4e86\u3002\u6211\u4eec\u77e5\u9053\u5f53\u8d77\u59cbid\u4ece\u5927\u4e8e\u53f7\u6539\u6210\u96f6\u4ee5\u540e\uff0c\u4ee3\u8868\u7684\u542b\u4e49\u5c31\u662f\u8bfb\u53d6\u7684\u662f\u6211\u4eec<code>pending list<\/code>\u91cc\u8fb9\u7684\u51fa\u73b0\u4e86\u95ee\u9898\u7684\u6d88\u606f\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u6240\u4ee5\u8bf4\u5462\u6211\u4eec\u73b0\u5728\u6765\u8fd9\u513f\u8bfb\uff0c\u80af\u5b9a\u80fd\u62ff\u5230\u5bf9\u5427\uff0c\u56e0\u4e3a\u4f60\u51fa\u4e86\u5f02\u5e38\u4e86\u561b\uff0c\u6240\u4ee5\u80af\u5b9a\u80fd\u62ff\u5230\u3002\u90a3\u6211\u62ff\u5230\u8fd9\u4e2a\u6d88\u606f\u4e86\u4ee5\u540e\u554a\u5f80\u4e0b\u8d70\uff0c\u6211\u662f\u4e0d\u662f\u5c31\u53bb\u5904\u7406\u4e86\u3002\u90a3\u6709\u4eba\u8bf4\u4e86\uff0c\u4ec0\u4e48\u65f6\u5019\u62ff\u4e0d\u5230\u5462\uff1f\u54ce\uff0c\u4f60\u522b\u7740\u6025\u554a\uff0c\u542c\u6211\u8bf4\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u5047\u8bbe\u6211\u4eec\u62ff\u5230\u4e86\uff0c\u6211\u4eec\u5f80\u4e0b\u8d70\uff0c\u8d70\u5b8c\u4ee5\u540e\u5462\uff0c\u73b0\u5728\u6211\u4eec\u5904\u7406\u5982\u679c\u6210\u529f\u4e86\uff0c\u90a3\u4f60\u80af\u5b9a\u8fd8\u8981\u518d\u53bb\u505a\u786e\u8ba4\u5427\uff1f\u90a3\u4f60\u4e00\u65e6\u786e\u8ba4\u8fd9\u4e2a<code>pending list<\/code>\u91cc\u8fb9\u7684\u6d88\u606f\uff0c\u662f\u4e0d\u662f\u5c31\u4f1a\u88ab\u79fb\u9664\u4e86\uff1f\u90a3\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u7ed3\u675f\u4ee5\u540e\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\uff0c\u6211\u518d\u6765\u53d6\uff0c\u90a3\u8fd8\u80fd\u53d6\u5f97\u5230\u5417\uff1f\u90a3\u80af\u5b9a\u5c31\u53d6\u4e0d\u5230\u4e86\u5427\u3002\u90a3\u6211\u5c31\u8df3\u51fa\u5faa\u73af\u4e86\u3002\u597d\uff0c\u90a3\u4e48\u5c31\u53c8\u56de\u5230\u5916\u5c42\u5faa\u73af\uff0c\u7ee7\u7eed\u5faa\u73af\u53bb\u4e86\uff0c\u662f\u4e0d\u662f\u53c8\u56de\u5f52\u6b63\u5e38\u7684\u6d41\u7a0b\uff1f\u4f46\u662f\u5462\u5047\u8bbe\u8bf4\u554a\u6211\u5728<code>pending list<\/code>\u91cc\uff0c\u6211\u53d6\u5230\u4e86\u8fd9\u4e2a\u6d88\u606f\uff0c\u7136\u540e\u5f80\u4e0b\u8d70\uff0c\u6211\u53bb\u5904\u7406\u8fd9\u6b21\u5904\u7406\u53c8\u8dd1\u4e00\u573a\u4e86\u4f1a\u600e\u4e48\u6837\uff1f\u662f\u4e0d\u662f\u53c8\u88ab\u6211\u770b\u9f50\uff0c\u7136\u540e\u6211<code>continue<\/code>\u54ce\u53c8\u5faa\u73af\u554a\uff0c\u518d\u6b21\u53bb<code>plist<\/code>\u53d6\uff0c\u56e0\u4e3a\u4f60\u8fd9\u6b21\u5904\u7406\u53c8\u51fa\u5f02\u5e38\u4e86\uff0c\u6240\u4ee5\u4ed6\u4f9d\u7136\u4e3a\u672a\u786e\u8ba4\uff0c\u662f\u4e0d\u662f\u4f9d\u7136\u5728<code>pending<\/code>\u91cc\uff1f\u90a3\u8fd9\u4e2a\u5faa\u73af\u5c31\u4f1a\u4e00\u76f4\u5faa\u73af\u4e00\u76f4\u5faa\u73af\uff0c\u76f4\u5230\u8fd9\u4e2a\u6d88\u606f\u5904\u7406\u6210\u529f\u4e3a\u6b62\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u6240\u4ee5\u4e00\u5b9a\u8981\u6210\u529f\u3002\u90a3\u6709\u4eba\u8bf4\u4e86\uff0c\u6211\u5c31\u662f\u4e0d\u6210\u529f\uff0c\u8bd5\u4e86\u51e0\u5343\u6b21\u90fd\u4e0d\u6210\u529f\uff0c\u518d\u600e\u4e48\u529e\uff1f\u8fd9\u4e2a\u65f6\u5019\u4f60\u5176\u5b9e\u53ef\u4ee5\u4eba\u5de5\u4ecb\u5165\u4e86\u5bf9\u5427\uff0c\u4f60\u53ef\u4ee5\u53bb\u63a5\u751f\u65e5\uff0c\u5982\u679c\u8fd9\u4e2a\u65e5\u5fd7\u51fa\u73b0\u55ef\u957f\u4e45\u7684\u95ee\u9898\uff0c\u4f60\u5c31\u53ef\u4ee5\u8b66\u544a\u4e86\u561b\uff0c\u8fd8\u8b66\u544a\u4e86\u5bf9\u5427\uff0c\u4e5f\u662f\u6ca1\u95ee\u9898\u7684\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u8fd9\u662f\u6211\u4eec\u6574\u4e2a\u7528Java\u4ee3\u7801\u6765\u5904\u7406\u6d88\u606f\u7684\u4e00\u4e2a\u6d41\u7a0b\uff0c\u5927\u5bb6\u53ef\u4ee5\u60f3\u8c61\u7684\u662f\u57fa\u4e8e\u8fd9\u6837\u4e00\u79cd\u6a21\u5f0f\u554a\uff0c\u90a3\u6b63\u5e38\u60c5\u51b5\u4e0b\u6211\u4e00\u5b9a\u786e\u8ba4\uff0c\u5f02\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u518d\u5224\u5b9a\u4e00\u6b21\u7684\u5904\u7406\uff0c\u518d\u786e\u8ba4\u53ef\u4ee5\u786e\u4fdd\u6211\u4eec\u6d88\u606f\u554a\u81f3\u5c11\u88ab\u6d88\u8d39\u4e00\u6b21\u3002<\/p>\n\n\n\n<p>&nbsp;STREAM\u7c7b\u578b\u6d88\u606f\u961f\u5217\u7684XREADGROUP\u547d\u4ee4\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d88\u606f\u53ef\u56de\u6eaf<\/li>\n\n\n\n<li>\u53ef\u4ee5\u591a\u6d88\u8d39\u8005\u4e89\u62a2\u6d88\u606f\uff0c\u52a0\u5feb\u6d88\u8d39\u901f\u5ea6<\/li>\n\n\n\n<li>\u53ef\u4ee5\u963b\u585e\u8bfb\u53d6<\/li>\n\n\n\n<li>\u6ca1\u6709\u6d88\u606f\u6f0f\u8bfb\u7684\u98ce\u9669<\/li>\n\n\n\n<li>\u6709\u6d88\u606f\u786e\u8ba4\u673a\u5236\uff0c\u4fdd\u8bc1\u6d88\u606f\u81f3\u5c11\u88ab\u6d88\u8d39\u4e00\u6b21<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td>&nbsp;List<\/td><td>PubSub<\/td><td>Stream<\/td><\/tr><tr><td>\u6d88\u606f\u6301\u4e45\u5316<\/td><td>\u652f\u6301<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u652f\u6301<\/td><\/tr><tr><td>\u963b\u585e\u8bfb\u53d6<\/td><td>\u652f\u6301<\/td><td>\u652f\u6301<\/td><td>\u652f\u6301<\/td><\/tr><tr><td>\u6d88\u606f\u5806\u79ef\u5904\u7406<\/td><td><br>\u53d7\u9650\u4e8e\u5185\u5b58\u7a7a\u95f4\uff0c\u53ef\u4ee5\u5229\u7528\u591a\u6d88\u8d39\u8005\u52a0\u5feb\u5904\u7406<\/td><td>\u53d7\u9650\u4e8e\u6d88\u8d39\u8005\u7f13\u51b2\u533a<\/td><td>\u53d7\u9650\u4e8e\u961f\u5217\u957f\u5ea6\uff0c\u53ef\u4ee5\u5229\u7528\u6d88\u8d39\u8005\u7ec4\u63d0\u9ad8\u6d88\u8d39\u901f\u5ea6\uff0c\u51cf\u5c11\u5806\u79ef<\/td><\/tr><tr><td>\u6d88\u606f\u786e\u8ba4\u673a\u5236<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u652f\u6301<\/td><\/tr><tr><td>\u6d88\u606f\u56de\u6eaf<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u652f\u6301<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u57fa\u4e8eRedis\u7684Stream\u7ed3\u6784\u4f5c\u4e3a\u6d88\u606f\u961f\u5217\uff0c\u5b9e\u73b0\u5f02\u6b65\u79d2\u6740\u4e0b\u5355<\/p>\n\n\n\n<p>\u9700\u6c42\uff1a<br>\u2460\u521b\u5efa\u4e00\u4e2aStream\u7c7b\u578b\u7684\u6d88\u606f\u961f\u5217\uff0c\u540d\u4e3astream.orders<br>\u2461\u4fee\u6539\u4e4b\u524d\u7684\u79d2\u6740\u4e0b\u5355Lua\u811a\u672c\uff0c\u5728\u8ba4\u5b9a\u6709\u62a2\u8d2d\u8d44\u683c\u540e\uff0c\u76f4\u63a5\u5411stream.orders\u4e2d\u6dfb\u52a0\u6d88\u606f\uff0c\u5185\u5bb9\u5305<br>\u542bvoucherld\u3001userld\u3001orderld<br>\u2462\u9879\u76ee\u542f\u52a8\u65f6\uff0c\u5f00\u542f\u4e00\u4e2a\u7ebf\u7a0b\u4efb\u52a1\uff0c\u5c1d\u8bd5\u83b7\u53d6stream.orders\u4e2d\u7684\u6d88\u606f\uff0c\u5b8c\u6210\u4e0b\u5355<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>XGROUP CREATE stream.orders g1 0 MKSTREAM<\/code><\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\u4fee\u6539seckill.lua\u811a\u672c\uff0c\u9700\u8981\u4e09\u4e2a\u53c2\u6570\uff0c\u56e0\u6b64\u4fee\u6539<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7136\u540e\u518d\u770b\u952e\u540d\u5bf9\u4e0d\u5bf9\n\u6700\u540e\u518d\u770b\u770b\u7f13\u5b58\u4e2d\u6709\u6ca1\u6709\u79d2\u6740\u5238\u7684\u5e93\u5b58, \u6ca1\u6709\u7684\u8bdd\u9700\u8981\u901a\u8fc7\u4e4b\u524d\u7684\u63a5\u53e3\u6dfb\u52a0\u79d2\u6740\u5238\n\n--\u9996\u5148\u8981\u5224\u65ad\u7684\u5c31\u662f\u5e93\u5b58\u662f\u5426\u91cd\u7ec4,\u5f97\u53bb\u8bfb\u53d6redis\u5f53\u4e2d\u7684\u8fd9\u4e2akey(\u6bd4\u5982seckill:stock:9)\u7684\u503c\n--1.\u53c2\u6570\u5217\u8868\n--1.1.\u4f18\u60e0\u5238id\nlocal voucherId =ARGV&#91;1]\n--1.2.\u7528\u6237id\nlocal userId =ARGV&#91;2]\n--1.3 \u8ba2\u5355id\nlocal orderId =ARGV&#91;3]\n\n--2.\u6570\u636ekey\n--2.1.\u5e93\u5b58key\nlocal stockKey= 'seckill:stock:'..voucherId\n--2.2.\u8ba2\u5355key\nlocal orderKey= 'seckill:order:'..voucherId\n\n--3.\u811a\u672c\u4e1a\u52a1\n--3.1.\u5224\u65ad\u5e93\u5b58\u662f\u5426\u5145\u8db3getstockKey\nif (tonumber(redis.call('get',stockKey))&lt;=0) then\n--3.2\uff0c\u5e93\u5b58\u4e0d\u8db3\uff0c\u8fd4\u56de1\nreturn 1\nend\n--3.2.\u5224\u65ad\u7528\u6237\u662f\u5426\u4e0b\u5355SISMEMBERorderKeyuserId\nif(redis.call('sismember',orderKey,userId) == 1) then\n--3.3.\u5b58\u5728\uff0c\u8bf4\u660e\u662f\u91cd\u590d\u4e0b\u5355\uff0c\u8fd4\u56de2\nreturn 2\nend\n--3.4.\u6263\u5e93\u5b58 incrby stockKey -1\nredis.call('incrby',stockKey,-1)\n--3.5.\u4e0b\u5355\uff08\u4fdd\u5b58\u7528\u6237\uff09sadd orderKey userId\nredis.call('sadd',orderKey,userId)\n--3.6.\u53d1\u9001\u6d88\u606f\u5230\u961f\u5217\u4e2d\uff0cXADDstr\nredis.call('xadd','stream.orders','*','userId',userId,'voucherId',voucherId,'id',orderId)\n\nreturn 0<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u6709\u4e00\u4e2a\u5b9e\u4f53\u7c7b\u53ebvirtual order\uff0c\u662f\u4e0d\u662f\u4ee3\u8868\u6211\u4eec\u7684\u8ba2\u5355\uff0c\u5c06\u6765\u6211\u4eec\u4f20\u8fd9\u4e9b\u4fe1\u606f\u7684\u76ee\u7684\uff0c\u4e0d\u5c31\u662f\u4e3a\u4e86\u521b\u5efa\u8ba2\u5355\u5417\uff0c\u5728\u8ba2\u5355\u91cc\u8fb9\u4ed6\u7684id\u554a\u5176\u5b9e\u5c31\u53ebid\uff0c\u7136\u540euser id\u548cvtui d\uff0c\u5982\u679c\u8bf4\u6211\u4eec\u73b0\u5728\u5c31\u53ebid\u7684\u8bdd\uff0c\u5c06\u6765\u662f\u4e0d\u662f\u5f80\u8fd9\u4e2a\u5bf9\u8c61\u91cc\u5b58\u7684\u65f6\u5019\uff0c\u662f\u4e0d\u662f\u5f88\u65b9\u4fbf\u4e86\uff0c\u56e0\u4e3a\u8ddf\u6210\u5458\u53d8\u91cf\u540d\u79f0\u662f\u5b8c\u5168\u4e00\u81f4\u7684\u561b\uff0c\u6240\u4ee5\u8bf4\u5462\u5728\u8fd9\u4e2a\u811a\u672c\u91cc\u8fb9\u554a\uff0c\u6211\u7684\u5efa\u8bae\u662f\u5927\u5bb6\u5462\u628a\u8fd9\u4e2a\u5730\u65b9\u53c2\u6570\u6539\u6210id\uff0c\u90a3\u8fd9\u6837\u6211\u4eec\u5c31\u628a\u4e09\u7ec4\u53c2\u6570\u90fd\u4f20\u8fdb\u53bb\u4e86<\/p>\n\n\n\n<p>&nbsp;\u90a3\u5728\u8fd9\u91cc\u5462\u5c31\u8fd9\u6bb5\u4ee3\u7801voucherorderServiceimpl\u554a\uff0c\u6211\u4eec\u8981\u53bb\u505a\u4e00\u4e2a\u6539\u9020\uff0c\u56e0\u4e3a\u76ee\u524d\u6765\u8bb2\u4ed6\u8fd8\u662f\u628a\u8fd9\u4e2a\u55ef\u8ba2\u5355\u4fe1\u606f\u554a\uff0c\u5199\u5165\u963b\u585e\u961f\u5217\u7684\uff0c\u6240\u4ee5\u8fd9\u6bb5\u8981\u6539\u9020<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    private  IVoucherOrderService proxy;\n    @Override\n    public Result seckillVoucher(Long voucherId) {\n        \/\/\u83b7\u53d6\u7528\u6237\n        Long userId =UserHolder.getUser().getId();\n        \/\/\u83b7\u53d6\u8ba2\u5355id\n        long orderId = redisIdWorker.nextId(\"order\");\n        \/\/1.\u6267\u884clua\u811a\u672c\n        Long result =stringRedisTemplate.execute(\n                SECKILL_SCRIPT,\n                Collections.emptyList(),\n                voucherId.toString(),userId.toString(),String.valueOf(orderId)\n        );\n        \/\/\u7b2c\u4e00\u5462\u662f\u5224\u65ad\u4f60\u7684\u8d2d\u4e70\u8d44\u683c,\u7b2c\u4e8c\u5462\u8fd8\u8981\u53d1\u9001\u8ba2\u5355\u7684\u4fe1\u606f\u5230\u6d88\u606f\u961f\u5217\n        \/\/2. \u5224\u65ad\u7ed3\u679c\u662f0\n        int r=result.intValue();\n        if(r!=0) {\n            \/\/2.1 \u4e0d\u662f0\u5c31\u6ca1\u6709\u8d2d\u4e70\u8d44\u683c\n            return Result.fail(r == 1 ? \"\u5e93\u5b58\u4e0d\u8db3\" : \"\u4e0d\u80fd\u91cd\u590d\u4e0b\u5355\");\n        }\n        \/\/3.\u83b7\u53d6\u4ee3\u7406\u5bf9\u8c61\n        proxy= (IVoucherOrderService)AopContext.currentProxy();\n        \/\/ proxy\u4f5c\u4e3a\u5b9e\u4f8b\u53d8\u91cf\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u53ef\u80fd\u88ab\u8986\u76d6\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002\n        \/\/\u4fee\u590d\uff1a \u5728\u9700\u8981\u65f6\u76f4\u63a5\u83b7\u53d6\u4ee3\u7406\uff0c\u907f\u514d\u4f7f\u7528\u5b9e\u4f8b\u53d8\u91cf\uff1a\n        \/\/IVoucherOrderService proxy = (IVoucherOrderService) AopContext.currentProxy();\n        \/\/proxy.createVoucherOrder(voucherOrder);\n\n        \/\/\u8fd4\u56de\u8ba2\u5355id\n        return Result.ok(orderId);\n    }<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u8bf4\u5462\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\u8fd9\u6bb5\u811a\u672c\u6267\u884c\u5b8c\uff0c\u90a3\u4ee3\u8868\u7528\u6237\uff0c\u524d\u63d0\u662f\u8fd9\u4e2a\u7ed3\u679c\u662fok\u7684\u554a\uff0c\u90a3\u4e48\u5982\u679c\u7ed3\u679c\u4e3a\u96f6\uff0c\u90a3\u5c31\u4ee3\u8868\u7740\u7b2c\u4e00\u7528\u6237\u6709\u8d2d\u4e70\u8d44\u683c\uff0c\u7b2c\u4e8c\u554a\uff0c\u90a3\u4e48\u6d88\u606f\u5df2\u7ecf\u53d1\u51fa\uff0c\u4f60\u4e0d\u7528\u7ba1\u4e86\uff0c\u90a3\u54b1\u4eec\u7684\u4e1a\u52a1\u903b\u8f91\u5176\u5b9e\u53ea\u8981\u5224\u65ad\u55ef\uff0c\u7ed3\u679c\u662fok\u7684\uff0c\u56e0\u6b64\u4e0d\u518d\u9700\u8981\u4ee5\u4e0b\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/2.2  \u4e3a0 \u6709\u8d2d\u4e70\u8d44\u683c \uff0c\u628a\u4e0b\u5355\u4fe1\u606f\u4fdd\u5b58\u5230\u963b\u585e\u961f\u5217\nVoucherOrder voucherOrder = new VoucherOrder();\n\/\/\u8ba2\u5355id\nvoucherOrder.setId(orderId);\n\/\/2.4.\u7528\u6237id\nvoucherOrder.setUserId(userId);\n\/\/2.5.\u4ee3\u91d1\u5238id\nvoucherOrder.setVoucherId(voucherId);\n\/\/2.6.\u653e\u5165\u963b\u585e\u961f\u5217\norderTasks.add(voucherOrder);\n<\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>    private class VoucherOrderHandler implements Runnable {\n        String queueName =\"stream.orders\";\n        @Override\n        public void run() {\n            while (true) {\n                try {\n                    \/\/ 1. \u83b7\u53d6\u6d88\u606f\u961f\u5217\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f XREADGROUP GROUP g1 c1 COUNT 1 BLOCK 2000 STREAMS streams.order &gt;\n                    List&lt;MapRecord&lt;String, Object,Object&gt;&gt; list = stringRedisTemplate.opsForStream().read(\n                            Consumer.from(\"g1\", \"c1\"),\n                            StreamReadOptions.empty().count(1).block(Duration.ofSeconds(2)),\n                            StreamOffset.create(queueName, ReadOffset.lastConsumed())\n                    );\n\/\/&nbsp; \u8fd9\u91cc\u8981\u6ce8\u610f\uff0c\u8001\u5e08\u5728\u524d\u9762\u5df2\u7ecf\u624b\u52a8\u521b\u5efa\u4e86\u6d88\u8d39\u8005\u7ec4\uff0c\u6211\u4eec\u81ea\u5df1\u4e0d\u624b\u52a8\u521b\u5efa\u6d88\u8d39\u7ec4\u4f1a\u51fa\u73b0\n\/\/  redis\u66f4\u65b0\u4e86\uff0c\u4f46mysql\u6ca1\u66f4\u65b0\n                    \/\/ 2. \u5224\u65ad\u6d88\u606f\u83b7\u53d6\u662f\u5426\u6210\u529f\n                    if(list == null || list.isEmpty()) {\n                        \/\/ \u5982\u679c\u83b7\u53d6\u5931\u8d25\uff0c\u8bf4\u660e\u6ca1\u6709\u6d88\u606f\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\n                        continue;\n                    }\n                    \/\/ 3. \u89e3\u6790\u6d88\u606f\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\n                    MapRecord&lt;String, Object,Object&gt; record = list.get(0);\n                    Map&lt;Object, Object&gt; values = record.getValue();\n                    VoucherOrder voucherOrder = BeanUtil.fillBeanWithMap(values, new VoucherOrder(), true);\n                    \/\/ 4. \u5904\u7406\u83b7\u53d6\u6210\u529f\uff0c\u53ef\u4ee5\u4e0b\u5355\n                    handlerVoucherOrder(voucherOrder);\n                    \/\/ 5. ACK \u786e\u8ba4 SACK stream.orders g1 id\n                    stringRedisTemplate.opsForStream().acknowledge(queueName, \"g1\", record.getId());\n                }\n                catch (Exception e) {\n                    log.error(\"\u5904\u7406\u8ba2\u5355\u5f02\u5e38\",e);\n                    handlePendingList();\n                }\n            }\n        }\n\n        private void handlePendingList() {\n            while (true) {\n                try {\n                    \/\/ 1. \u83b7\u53d6pending-list\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f XREADGROUP GROUP g1 c1 COUNT 1 STREAMS streams.order 0\n                    List&lt;MapRecord&lt;String, Object, Object&gt;&gt; list = stringRedisTemplate.opsForStream().read(\n                            Consumer.from(\"g1\", \"c1\"),\n                    StreamReadOptions.empty().count(1),\n                            StreamOffset.create(queueName, ReadOffset.from(\"0\"))\n                    );\n\n                    \/\/ 2. \u5224\u65ad\u6d88\u606f\u83b7\u53d6\u662f\u5426\u6210\u529f\n                    if (list == null || list.isEmpty()) {\n                        \/\/ \u5982\u679c\u83b7\u53d6\u5931\u8d25\uff0c\u8bf4\u660epending-list\u6ca1\u6709\u5f02\u5e38\u6d88\u606f\uff0c\u7ed3\u675f\u5faa\u73af\n                        break;\n                    }\n                    \/\/ 3. \u89e3\u6790\u6d88\u606f\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\n                    MapRecord&lt;String, Object, Object&gt; record = list.get(0);\n                    Map&lt;Object, Object&gt; values = record.getValue();\n                    VoucherOrder voucherOrder = BeanUtil.fillBeanWithMap(values, new VoucherOrder(), true);\n\n                    \/\/ 4. \u5982\u679c\u83b7\u53d6\u6210\u529f\uff0c\u53ef\u4ee5\u4e0b\u5355\n                    handlerVoucherOrder(voucherOrder);\n\n                    \/\/ 5. ACK\u786e\u8ba4 SACK stream.orders g1 id\n                    stringRedisTemplate.opsForStream().acknowledge(queueName, \"g1\", record.getId());\n                }\n                catch (Exception e){\n                    log(\"\u5904\u7406\u8ba2\u5355\u5f02\u5e38\",e);\n                }\n            }\n        }\n    }<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u4e00\u4e0a\u6765\u5c31\u662f\u4e00\u4e2a `while(true)` \u7684\u6b7b\u5faa\u73af\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u7684\u6d88\u8d39\u8005\u4f1a\u5faa\u73af\u5f80\u590d\u5730\u4e00\u76f4\u53bb\u83b7\u53d6\u6d88\u8d39\u8005\u7ec4\u4e2d\u7684\u6d88\u606f\u554a\u3002\u83b7\u53d6\u6211\u4eec\u7684\u6d88\u606f\u961f\u5217\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\u53bb\u62ff\u8fd9\u4e9b\u4fe1\u606f\u554a\uff0c\u62ff\u5b8c\u62ff\u7684\u65f6\u5019\u5462\u4e0d\u4e00\u5b9a\u4f1a\u6709\u554a\uff0c\u6240\u4ee5\u8bf4\u6211\u4eec\u8fd8\u8981\u505a\u5224\u65ad\u5bf9\u5427\u3002\u6211\u4eec\u53bb\u5224\u65ad\u5224\u65ad\u5224\u65ad\u4ec0\u4e48\u554a\uff0c\u5224\u65ad\u8fd9\u4e2a\u6d88\u606f\u83b7\u53d6\u662f\u5426\u6210\u529f\u5bf9\u5427\u3002\u5bf9\u8fc7\u53bb\u662f\u5426\u6210\u529f\uff0c\u90a3\u5982\u679c\u8bf4\u6210\u529f\u4e86\u5462\uff0c\u5982\u679c\u83b7\u53d6\u6210\u529f\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5bf9\u5427\uff0c\u83b7\u53d6\u5931\u8d25\uff0c\u90a3\u8bf4\u660e\u4ec0\u4e48\uff0c\u8bf4\u660e\u6ca1\u6709\u6d88\u606f\uff0c\u6ca1\u6709\u6d88\u606f\uff0c\u90a3\u6211\u4eec\u662f\u4e0d\u662f\u5c31\u7ed3\u675f\u5c31\u884c\u4e86\uff0c\u6216\u8005\u60f3\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\u554a\uff0c\u56e0\u4e3a\u4f60\u6ca1\u6709\u6d88\u606f\u5417\uff0c\u4f60\u8fd8\u5728\u8fd9\u7b49\u7740\u5e72\u4ec0\u4e48\u5462\uff0c\u4f60\u7ee7\u7eed\u4e0b\u4e00\u6b21\u518d\u6b21\u5c1d\u8bd5\u8fc7\u53bb\uff0c\u770b\u6709\u6ca1\u6709\u662f\u4e0d\u662f\u597d\u3002<\/p>\n\n\n\n<p>\u90a3\u5982\u679c\u6709\u600e\u4e48\u529e\u5bf9\u5427\uff0c\u5982\u679c\u6709\u6d88\u606f\u4f1a\u6210\u529f\uff0c\u90a3\u662f\u4e0d\u662f\u5c31\u8981\u53bb\u5e72\u4ec0\u4e48\u4e86\uff0c\u5c31\u8981\u53bb\u4e0b\u5355\u4e86\uff0c\u54ce\u53ef\u4ee5\u4e0b\u5355\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u90a3\u4e5f\u5c31\u662f\u8bf4\u63a5\u4e0b\u6765\u8981\u53bb\u505a\u8fd9\u4e2a\u521b\u5efa\u8ba2\u5355\u7684\u52a8\u4f5c\u4e86\u554a\uff0c\u53ef\u4ee5\u5230\u8fd9\u4e2a\u4f4d\u7f6e\u53bb\u4e86\u3002\u597d\uff0c\u90a3\u6211\u4eec\u5c31\u5f80\u4e0b\u5199\u5427\uff0c\u5c31\u53ef\u4ee5\u53bb\u521b\u5efa\u8ba2\u5355\u4e86\u3002\u90a3\u8ba2\u5355\u521b\u5efa\u5b8c\u4e86\u4ee5\u540e\u5462\uff0c\u662f\u4e0d\u662f\u5c31\u7ed3\u675f\u4e86\u6ca1\u6709\uff0c\u8fd9\u91cc\u8981\u591a\u4e00\u4e2a\u6b65\u9aa4\uff0c\u4f60\u8981\u53bb\u505a\u8fd9\u4e2a `ack` \u786e\u8ba4\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u4f60\u5f97\u544a\u8bc9\u6211\u4eec\u90a3\u4e9b\u961f\u5217\u8bf4\u4f60\u5904\u7406\u4e86\uff0c\u4f60\u4e0d\u7136\u7684\u8bdd\u5462\u4f60\u4e0b\u6b21\u8fd8\u5f97\u6765\u5904\u7406\u662f\u5427\u3002\u6240\u4ee5\u8bf4\u5462\u6211\u4eec\u5927\u6982\u7684\u6d41\u7a0b\u662f\u8fd9\u4e2a\u6837\u5b50\u7684\u554a\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u8fd9\u4e00\u6bb5\u6d41\u7a0b\u7684\u8bdd\uff0c\u53ef\u80fd\u6709\u540c\u5b66\u6709\u70b9\u964c\u751f\u554a\uff0c\u6211\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u4ee5\u524d\u54b1\u4eec\u5199\u7684\u90a3\u4e2a\u4f2a\u4ee3\u7801\uff0c\u4f60\u770b\u8fdb\u6765\u4ee5\u540e\u662f\u4e0d\u662f\u5c31\u5faa\u73af\u5faa\u73af\uff0c\u6765\u4e86\u4ee5\u540e\u4e0a\u6765\u662f\u4e0d\u662f\u957f\u65f6\u95f4\u76d1\u542c\u8fd9\u4e2a\u961f\u5217\u83b7\u53d6\u6d88\u606f\u5bf9\u5427\uff0c\u5c31\u662f\u8fd9\u4e2a\u8fdb\u884c\u4e00\u4e2a\u961f\u5217\u83b7\u53d6\u4fe1\u606f\uff0c\u83b7\u53d6\u5b8c\u4e86\u540e\uff0c\u662f\u4e0d\u662f\u8981\u5224\u65ad\u662f\u5426\u6709\u6d88\u606f\u554a\uff0c\u5224\u65ad\u4e00\u4e0b\uff0c\u90a3\u5982\u679c\u8bf4\u8fd9\u4e2a\u6ca1\u6709\u5462\uff0c\u54b1\u4eec\u662f\u4e0d\u662f\u5c31\u7ee7\u7eed\u4e0b\u4e00\u6b21\u597d\uff0c\u90a3\u5982\u679c\u8bf4\u6709\uff0c\u54b1\u4eec\u4e0d\u5c31\u5f00\u59cb\u5904\u7406\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u5904\u7406\u5c31\u4e0b\u5355\u4e86\u554a\uff0c\u90a3\u5904\u7406\u5b8c\u4e86\u4ee5\u540e\u5462\uff0c\u90a3\u5982\u679c\u8bf4\u5904\u7406\u6210\u529f\uff0c\u4f60\u662f\u4e0d\u662f\u8fd8\u6709 `ack` \u786e\u8ba4\u6ca1\u95ee\u9898\uff0c\u90a3\u5c31\u4ee3\u8868\u8fd9\u6761\u6d88\u606f\u5c31\u5f7b\u5e95\u5904\u7406\u5b8c\u4e86\u4ee5\u540e\u5c31\u4e0d\u4f1a\u518d\u6765\u4e86\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u4e5f\u6709\u53ef\u80fd\u4f1a\u7834\u4e00\u573a\uff0c\u90a3\u5c06\u6765\u4e00\u65e6\u629b\u4e86\u4e00\u573a\u600e\u4e48\u529e\uff0c\u4e00\u65e6\u629b\u4e86\u5f02\u5e38\uff0c\u90a3\u8fd9\u4e2a\u6d88\u606f\u5c31\u672a\u786e\u8ba4\uff0c\u662f\u4e0d\u662f\u90a3\u672a\u786e\u8ba4\u7684\u6d88\u606f\u5c31\u4f1a\u8fdb\u5165\u8fd9\u4e2a `pending list` \u91cc\u4e86\uff0c\u6240\u4ee5\u5728\u5f02\u5e38\u5f53\u4e2d\uff0c\u54b1\u662f\u4e0d\u662f\u53bb\u90a3\u4e2a `pending list` \u91cc\u53bb\u53d6\u53bb\u4e86\u3002\u6240\u4ee5\u8bf4\u8fd9\u662f\u6211\u4eec\u73b0\u5728\u6574\u4f53\u7684\u4e00\u4e2a\u6d41\u7a0b\u3002\u6240\u4ee5\u8fd9\u4e2a\u4e1a\u52a1\u5176\u5b9e\u5c31\u662f\u5904\u7406\u8fd9\u4e2a\u4e0b\u5355\u90a3\u4e2a\u4e1a\u52a1\u4e86\u3002<\/p>\n\n\n\n<p>\u597d\uff0cok\uff0c\u90a3\u73b0\u5728\u5462\u6211\u4eec\u5c31\u5dee\u8fd9\u4e48 1 3 1 2 4\uff0c\u8fd9\u51e0\u4e2a\u6b65\u9aa4\u4e86\uff0c\u6211\u4eec\u53bb\u505a\u4e00\u4e0b\u554a\u3002\u9996\u5148\u7b2c\u4e00\u6b65\u83b7\u53d6\u554a\u961f\u5217\u4e2d\u7684\u8ba2\u5355\u6d88\u606f\u554a\uff0c\u4f1a\u6709\u8fd9\u4e2a\u6d88\u606f\uff0c\u90a3\u4e48\u5176\u5b9e\u5c31\u662f\u90a3\u4e2a\u547d\u4ee4\u561b\uff0c\u54ea\u4e2a\u547d\u4ee4\u5462\uff0c`xreadgroup` \u554a\uff0c\u5c31\u8fd9\u4e2a\u547d\u4ee4\u3002\u90a3\u4f60\u9996\u5148\u8981\u544a\u8bc9\u4ed6\uff0c\u4f60\u662f\u8bfb\u53d6\u7684\u54ea\u4e2a\u7ec4\u662f\u5427\uff0c\u5c31\u662f\u4f60\u5c5e\u4e8e\u54ea\u4e00\u7ec4\u554a\uff0c\u6bd4\u5982\u8bf4\u6211\u662f `g1`\uff0c\u7136\u540e\u5462\u4f60\u7684\u6d88\u8d39\u8005\u53eb\u4ec0\u4e48\u540d\u5b57\u554a\uff0c\u90a3\u6d88\u8d39\u8005\u540d\u5b57\u7684\u8bdd\uff0c\u8fd9\u4e2a\u6211\u4eec\u80af\u5b9a\u662f\u5e94\u8be5\u55ef\uff0c\u5c06\u6765\u5e94\u8be5\u662f\u914d\u5230\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u91cc\uff0c\u7136\u540e\u5462\u4e0d\u540c\u7684\u8282\u70b9\uff0c\u5c06\u6765\u6211\u4eec\u542f\u52a8\u591a\u8282\u70b9\u7684\u8bdd\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6d88\u8d39\u8005\u540d\u5b57\u5e94\u8be5\u6709\u591a\u4e2a\u5bf9\u5427\uff0c\u8fd9\u6837\u6765\u5c31\u4e0d\u51b2\u7a81\u4e86\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u8fd9\u4e2a\u5730\u65b9\u6211\u4eec\u5c31\u5148\u5199\u6b7b\u554a\uff0c\u6bd4\u5982\u8bf4 `c1`\uff0c\u7136\u540e\u554a\uff0c\u90a3\u4e48\u8fd9\u4e2a\u660e\u786e\u4e86\u4f60\u7684\u8eab\u4efd\uff0c\u4f60\u662f\u8c01\uff0c\u4f60\u8981\u6765\u8bfb\u5bf9\u5427\u554a\uff0c\u4f60\u662f\u8c01\u554a\uff0c\u6211\u662f\u7b2c\u4e00\u7ec4\u7684 `c1` \u8fd9\u4e2a\u6d88\u8d39\u8005\uff0c\u7d27\u63a5\u7740\u4f60\u5c31\u5f00\u59cb\u53bb\u914d\u7f6e\u4f60\u8981\u8bfb\u591a\u5c11\u6d88\u606f\u4e86\uff0c\u5c31\u662f\u4e00\u4e9b\u8bfb\u53d6\u7684\u53c2\u6570\u4e86\uff0c\u6bd4\u5982 `count` \u4e00\u4ee3\u8868\u6211\u8bfb\u4e00\u4e2a\uff0c\u7136\u540e\u4f60\u8bfb\u7684\u65f6\u5019\u8981\u4e0d\u8981\u963b\u585e\u554a\uff0c`block` \u554a\uff0c\u90a3\u963b\u585e\u963b\u591a\u4e45\u554a\uff0c\u6bd4\u5982\u8bf4\u4e24\u79d2\u949f\uff0c\u90a3\u4e5f\u5c31\u662f\u8bf4\u6211\u8bfb\u7684\u65f6\u5019\u5982\u679c\u6ca1\u6709\u6d88\u606f\uff0c\u6211\u5c31\u7b49\u554a\uff0c\u6700\u591a\u7b49\u4e24\u79d2\u949f\u8d85\u8fc7\u4e86\uff0c\u6211\u5c31\u76f4\u63a5\u8fd4\u56de\u7ed3\u675f\u4e86\u662f\u5427\uff0c\u8fd4\u56de\u4e00\u4e2a\u7a7a\u597d\uff0c\u90a3\u518d\u7136\u540e\u5462\u662f\u4ec0\u4e48\u4e86\uff0c\u4f60\u8981\u8bfb\u53d6\u7684\u8fd9\u4e2a\u6d88\u606f\u961f\u5217\u7684\u4fe1\u606f\u4e86\u554a\uff0c\u90a3\u4e48\u5c31\u662f `stream gm`\uff0c\u4f60\u8bfb\u53d6\u7684\u662f\u54ea\u4e2a\u5c0f\u5b66\u961f\u5217\u5440\uff0c\u90a3\u4f60\u5f97\u544a\u8bc9\u6211\u5440\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u6211\u4eec\u662f\u53eb `stream.order` \u5417\uff0c\u662f\u8fd9\u4e2a\u540d\u5b57\u5427\u8fd9\u662f\u6211\u4eec\u8fd9\u4e2a `stream` \u7684\u540d\u5b57\u554a\uff0c\u90a3\u6700\u540e\u5462\u662f\u90fd\u53bb\u6807\u8bc6\u6807\u8bc6\u7684\u8bdd\uff0c\u6211\u4eec\u8fd9\u91cc\u7528\u7684\u662f\u8fd9\u4e2a\u5927\u4e8e\u53f7\uff0c\u4ee3\u8868\u662f\u6700\u8fd1\u4e00\u6761\u672a\u6d88\u8d39\u7684\u6d88\u606f\u662f\u5427\uff0c\u90a3\u8fd9\u662f\u6211\u4eec\u5982\u679c\u7528\u547d\u4ee4\u554a\uff0c\u662f\u8fd9\u4e48\u505a\u7684\uff0c\u4f46\u662f\u6211\u4eec\u73b0\u5728\u4e0d\u662f\u7528\u547d\u4ee4\uff0c\u6211\u4eec\u662f\u8981\u554a\u7528java\u4ee3\u7801\u4e86\uff0c\u90a3\u5176\u5b9e\u6211\u4eec\u77e5\u9053\u5728java\u4ee3\u7801\u4e2d\uff0c\u548c\u6211\u4eec\u7684redis\u63d0\u4f9b\u7684\u8fd9\u4e2a ` lettuce`\uff0c\u4ed6\u628a\u6240\u6709\u7684\u8fd9\u4e2a\u64cd\u4f5c\u90fd\u5c01\u88c5\u5230\u4e86\u5bf9\u5e94\u7684\u8fd9\u4e2a `operation` \u5bf9\u8c61\u91cc\u5bf9\u5427\uff0c\u90a3\u4ee5\u524d\u6211\u4eec\u73a9\u5b57\u7b26\u4e32\u5c31\u662f `ops for value` \u73a9\u54c8\u5e0c\u5c31\u662f\u4e0d\u7b26\u54c8\u5e0c\uff0c\u90a3\u8fd8\u6709 `set` \u8fd9\u4e2a `set`\uff0c\u90a3\u8fd9\u91cc\u6211\u4eec\u73a9\u8fd9\u4e2a `stream` \u6d41\uff0c\u90a3\u91c7\u7528\u7684\u5176\u5b9e\u5c31\u662f `ops for stream` \u5c31\u8fd9\u79cd\u64cd\u4f5c\uff0c\u90a3\u5b83\u91cc\u8fb9\u600e\u4e48\u6837\u53bb\u505a\u8fd9\u4e2a `read group` \u5462\uff0c\u5176\u5b9e\u4ed6\u6ca1\u6709\u52a0 `read group`\uff0c\u5c31\u662f `read` \u5c31 `read`\uff0c\u4f46\u662f\u8fd9\u4e2a `read` \u53c2\u6570\u975e\u5e38\u7684\u591a\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u53c2\u6570\u975e\u5e38\u591a\uff0c\u90a3\u6211\u4eec\u5c5e\u4e8e\u662f\u8981\u6307\u5b9a\u6d88\u8d39\u8005\u8fd9\u79cd\u5bf9\u5427\uff0c\u90a3\u6240\u4ee5\u4f60\u7b2c\u4e00\u4e2a\u4f20\u9012\u53c2\u6570\uff0c\u5176\u5b9e\u5c31\u662f\u6d88\u8d39\u8005 `consumer` \u90a3\u6709\u70b9\u8bf4\u7684\u4e0d\u5bf9\u5440\uff0c\u4f60\u4e0d\u662f\u5148\u6307\u5b9a\u7ec4\u5417\uff0c\u5bf9\u5427\uff0c\u90a3\u7ec4\u5176\u5b9e\u662f\u5c5e\u4e8e\u8fd9\u4e2a\u6d88\u8d39\u8005\u7684\u4e00\u90e8\u5206\u4fe1\u606f\uff0c\u6240\u4ee5\u8bf4\u5462\u4ed6\u5728\u8fd9\u91cc\u7edf\u4e00\u53eb `consumer` \u4e86\uff0c\u800c\u4e14\u5462\u8fd9\u4e2a `consumer` \u5927\u6982\u6709\u5f88\u591a `consumer`\uff0c\u6211\u4eec\u4e00\u5b9a\u8981\u627e `spring` \u76f8\u5173\u7684\u90a3\u4e2a `spring` \u76f8\u5173\u7684\u8fd9\u4e2a\u5462\u5c31\u662f\u8fd9\u4e2a `swim` \u91cc\u9762\u7684\u8fd9\u4e2a\uff0c\u5b83\u8fd8\u6709\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\u53eb `from` \u770b\u5230\u6ca1\u6709\uff0c\u90a3\u8fd9\u91cc\u5c31\u8981\u4f20\u4ec0\u4e48\u4f20 `group`\uff0c\u5c31\u8fd9\u7b2c\u4e00\u4e2a\uff0c\u7136\u540e\u7b2c\u4e8c\u4e2a\u4f20 `name` \u5176\u5b9e\u5c31\u662f\u8fd9\u4e2a\u8c01 `c` \u54ce\uff0c\u6240\u4ee5\u7ec4\u7684\u540d\u79f0\u5c31\u4f4d\u7684\u540d\u79f0\u4f20\u7ed9\u4ed6\u5c31\u884c\u4e86\uff0c\u90a3\u4e0d\u521a\u597d\u561b\uff0c\u6211\u4eec `g1` \u662f\u5427\uff0c\u8fd8\u6709\u4e00\u4e2a\u662f\u8c01\u5462\uff0c`c1` \u90a3\u8fd9\u6837\u8fd9\u4fe9\u53c2\u6570\u662f\u4e0d\u662f\u5c31\u5bf9\u4f4f\u4e86\uff0c\u597d\uff0c\u6240\u4ee5\u8fd9\u4e00\u90e8\u5206\u5176\u5b9e\u5c31\u641e\u5b9a\u4e86\uff0c\u5c31\u5bf9\u5e94\u8fd9\u6d88\u8d39\u8005\u641e\u5b9a\u3002<\/p>\n\n\n\n<p>\u6d88\u8d39\u8005\u641e\u5b9a\u4e86\uff0c\u4f60\u8981\u6307\u5b9a\u7684\u4e0d\u662f\u5c31\u662f\u8bfb\u53d6\u65f6\u7684\u4e00\u4e9b\u4fe1\u606f\u4e86\uff0c\u90a3\u597d\uff0c\u518d\u6765\u5f80\u4e0b\u770b\u5b83\u53eb\u4ec0\u4e48\uff0c\u5b83\u53eb `stream read option`\uff0c`read option` \u5c31\u662f\u4ec0\u4e48\u610f\u601d\uff0c\u5c31\u662f\u8bfb\u53d6\u7684\u4e00\u4e9b\u9009\u9879\u554a\uff0c\u4f60\u8bfb\u591a\u5c11\u4e2a\u5440\uff0c\u4f60\u8981\u4e0d\u8981\u963b\u585e\u5440\uff0c\u8fd9\u5c31\u662f\u8bfb\u53d6\u9009\u9879\uff0c`stream read option` \u554a\uff0c`stream read option`\uff0c\u90a3\u4e48 `read option` \u5462\uff0c\u8fd9\u91cc\u8fb9\u6211\u4eec\u9996\u5148\u7528 `empty` \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\uff0c\u7d27\u63a5\u7740\u518d\u53bb\u6307\u5b9a\u5c31\u884c\u4e86\uff0c\u6307\u5b9a\u7b2c\u4e00 `count` \u8bfb\u51e0\u4e2a\u554a\uff0c\u6211\u8bfb\u4e00\u4e2a\uff0c\u7136\u540e\u8981\u4e0d\u8981\u963b\u585e\uff0c\u963b\u585e\u5835\u4e86\u591a\u957f\u65f6\u95f4\u554a\uff0c\u4e24\u79d2\u949f\uff0c\u90a3\u8fd9\u4e2a\u5730\u65b9\u7684\u8bdd\uff0c\u90a3\u4e0d\u662f\u9664\u4e86\u76f4\u63a5\u4f20\u4e24\u5929\u554a\uff0c\u4f60\u770b\u4ed6\u63a5\u89e6\u7684\u662f `duration`\uff0c`duration` \u5462\u662f\u4e00\u4e2a\u53eb\u505a\u5468\u671f\uff0c\u90a3\u91cc\u9762\u53ef\u4ee5\u4f20\u5f88\u591a\u5f88\u591a\u4e0d\u540c\u7c7b\u578b\u7684\uff0c\u5c31\u662f\u5e26\u6709\u65f6\u95f4\u5355\u4f4d\u7684\uff0c\u770b\u5230\u6ca1\u6709\uff0c\u6bd4\u5929\u5c0f\u65f6\uff0c\u6beb\u79d2\u7eb3\u79d2\u7b49\u7b49\u90fd\u53ef\u4ee5\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u80af\u5b9a\u662f\u79d2\u5bf9\u5427\uff0c\u90a3\u6211\u5c31\u8bf4\u6700\u591a\u7b49\u4e24\u79d2\u5c31\u8fd9\u4e48\u5199\u5c31\u884c\u4e86\uff0c\u90a3\u5230\u8fd9\u597d\uff0c\u6211\u4eec\u5c31\u662f\u8bfb\u53d6\u9009\u9879\u8fd9\u90e8\u5206\u5c31\u641e\u5b9a\u4e86\uff0c\u5c31\u8fd9\u4e00\u5757\u7b49\u4e8e\u6211\u4eec\u8fd9\u91cc\u597d\u3002<\/p>\n\n\n\n<p>\u90a3\u518d\u5f80\u540e\u6700\u540e\u4e00\u90e8\u5206\u5176\u5b9e\u5c31\u662f\u4ec0\u4e48\u4e86\uff0c\u4f11\u606f\u961f\u5217\u7684\u540d\u5b57\uff0c\u8fd8\u6709\u7ed3\u675f\u6807\u8bc6\u662f\u5427\uff0c\u8bfb\u53d6\u6807\u8bc6\uff0c\u90a3\u8fd9\u4e00\u90e8\u5206\u5b83\u53eb\u4ec0\u4e48\uff0c\u5b83\u53eb\u505a `stream offset`\uff0c`offset` \u554a\uff0c\u90a3\u4e48 `offset` \u7684\u8bdd\u5b83\u5176\u5b9e\u5c31\u662f\u5c31\u662f\u504f\u79fb\u91cf\u561b\uff0c\u4f60\u8bfb\u53d6\u7684\u4f4d\u7f6e\u7684\u610f\u601d\uff0c\u5b83\u6709\u4e00\u4e2a `create` \u51fd\u6570\u5e2e\u6211\u4eec\u53bb\u521b\u5efa\uff0c\u90a3\u5728\u8fd9\u4e2a\u5730\u65b9\u7b2c\u4e00\u8981\u6307\u5b9a\u7684 `stream`\uff0c\u5c31\u662f\u4f60\u7684\u8fd9\u4e2a\u961f\u5217\u540d\u79f0\uff0c\u5c31\u662f\u8fd9\u4e2a\u540d\u5b57\u554a\uff0c\u8fd9\u4e2a\u540d\u5b57\u6211\u4eec\u53ef\u4ee5\u63d0\u524d\u5728\u5916\u9762\u7ed9\u5b83\u5b9a\u4e49\u51fa\u6765\u554a\uff0c`string` \u4e00\u4e2a\u53eb\u55ef\u53eb\u505a `q name`\uff0c\u5c31\u7b49\u4e8e\u8fd9\u4e2a `stream.order` \u6211\u4eec\u628a\u5b83\u5199\u6b7b\u5bf9\u5427\uff0c\u90a3\u8fd9\u6837\u7684\u8bdd\u5c31\u53ef\u4ee5\u76f4\u63a5\u5728\u8fd9\u4f7f\u7528\u4e86\uff0c\u76f4\u63a5\u5728\u8fd9\u4f7f\u7528\u5b83\uff0c\u7136\u540e\u5462\u662f\u8fd9\u4e2a `read offset` \u554a\uff0c\u5c31\u662f\u8bf4\u4f60\u8bfb\u5230\u54ea\u91cc\u5440\uff0c\u4f60\u90fd\u53bb\u6807\u8bb0\u662f\u4ec0\u4e48\u5440\uff0c\u5bf9\u5427\u554a\uff0c\u90a3\u4e48\u6211\u4eec\u8fd9\u91cc\u540c\u6837\u662f\u6709\u679a\u4e3e\u554a\uff0c`read offset set`\uff0c\u5927\u5bb6\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u6709\u5f88\u591a `last consume` \u5462\uff0c\u5176\u5b9e\u5c31\u662f\u6307\u4f60\u6700\u8fd1\u4e00\u6b21\u5443\u672a\u6d88\u8d39\u7684\u6d88\u606f\uff0c\u800c `latest` \u4ee3\u8868\u6700\u65b0\u7684\u6d88\u606f\uff0c\u90a3\u6211\u4eec\u80af\u5b9a\u9009\u7684\u662f\u8fd9\u4e2a\u662f\u4e0d\u662f\uff0c\u90a3\u5b83\u662f\u679a\u4e3e\u7684\uff0c\u5b83\u662f\u9759\u6001\u5e38\u91cf\u662f\u5427\uff0c\u90a3\u5b83\u6307\u7684\u662f\u4e0d\u662f\u8fd9\u4e2a\u5927\u62ec\u53f7\u5927\u4e8e\u53f7\u5462\uff0c\u6211\u4eec\u8fdb\u53bb\u770b\u4e00\u4e0b\u770b\u662f\u5427\uff0c\u800c\u90a3\u4e2a `latest` \u6700\u65b0\u4ee3\u8868\u7684\u5c31\u662f `dollar` \u7b26\u561b\u554a\uff0c\u6240\u4ee5\u8fd9\u91cc\u9762\u5176\u5b9e\u662f\u5b83\u7684\u5b9a\u4e49\u597d\u7684\u554a\uff0c\u554a\u90a3\u4e48\u5f53\u7136\u5982\u679c\u4f60\u4e0d\u60f3\u7528\u4ed6\u8fd9\u79cd\uff0c\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u554a\uff0c\u53bb `new` \u5b83\u4e5f\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u8fd9\u91cc\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b83\u4ee3\u8868\u5927\u4e8e\u53f7\u3002<\/p>\n\n\n\n<p>\u90a3\u5230\u8fd9\u513f\u5462\u6211\u4eec\u5c31\u901a\u8fc7\u8fd9\u4e48\u51e0\u4e2a\u53c2\u6570\uff0c\u662f\u4e0d\u662f\u5c31\u628a\u8fd9\u4e2a `read` \u6240\u9700\u8981\u7684\u4fe1\u606f\u5168\u90e8\u6307\u5b9a\u51fa\u6765\u4e86\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u4f60\u5176\u5b9e\u5c31\u53ef\u4ee5\u62ff\u5230\u8fd9\u4e2a\u7ed3\u679c\u554a\uff0c\u90a3\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u7ed3\u679c\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u4ec0\u4e48\uff0c\u662f\u4e00\u4e2a `list` \u5bf9\u5427\uff0c\u662f\u4e00\u4e2a\u7c7b\u4f3c\u7684\u554a\uff0c\u90a3\u8fd9\u4e2a\u5730\u65b9\u55ef\u4e3a\u4ec0\u4e48\u53cd\u5e94\u662f\u4e2a `list`\uff0c\u56e0\u4e3a\u4f60\u7684 `count` \u503c\u4e0d\u4e00\u5b9a\u662f\u4e00\uff0c\u4f60\u53ef\u80fd\u662f\u4e00\uff0c\u53ef\u80fd\u662f\u4e8c\uff0c\u53ef\u80fd\u662f\u591a\u4e2a\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u6240\u4ee5\u8bf4\u5b83\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u7c7b\u4f3c\u7684\u4ee3\u8868\uff0c\u5c31\u662f\u6211\u53ef\u80fd\u8bfb\u5230\u591a\u4e2a\uff0c\u53ef\u80fd\u8bfb\u5230\u591a\u4e2a\uff0c\u90a3\u56e0\u6b64\u6211\u4eec\u5728\u8fd9\u4e2a\u5730\u65b9\u5c31\u9700\u8981\u53bb\u5224\u65ad\u5b83\uff0c\u5224\u65ad\u4ed6\u662f\u5426\u83b7\u53d6\u6210\u529f\uff0c\u4e5f\u5c31\u662f\u5224\u65ad\u8fd9\u4e2a\u96c6\u5408\u554a\uff0c\u6709\u6ca1\u6709\u6570\u636e\uff0c\u5bf9\u4e0d\u5bf9\u554a\uff0c\u90a3\u5c31 `if` \u8fd9\u4e2a `list` \u662f\u5426\u7b49\u7b49\u4e8e `now` \u554a\uff0c\u554a\u5982\u679c\u4e0d\u7b49\u4e8e\u5230\u7684\u8bdd\uff0c\u90a3\u4f60\u8fd9\u4e2a\u662f\u5426\u662f\u7a7a\u554a\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u90a3\u5982\u679c\u4e3a\u7a7a\u597d\uff0c\u90a3\u5c31\u8bc1\u660e\u4f60\u8fd9\u4e2a\u56de\u8840\u4e5f\u5931\u8d25\u4e86\uff0c\u90a3\u6211\u4eec\u5e72\u4ec0\u4e48\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\uff0c`continue`\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u561b\uff0c\u90a3\u6211\u518d\u6765\u8bfb\u4e00\u6b21\uff0c\u770b\u6709\u6ca1\u6709\uff0c\u662f\u4e0d\u662f\u554a\uff0c\u90a3\u91c7\u7528\u8fd9\u6837\u4e00\u79cd\u65b9\u5f0f\u53bb\u505a\u4e00\u4e0b\u554a\uff0cok\uff0c\u90a3\u8fd9\u6837\u7684\u8bdd\u6211\u4eec\u5176\u5b9e\u5c31\u505a\u5b8c\u4e86\u8fd9\u4e2a\u5224\u65ad\u4e86\uff0c\u90a3\u4ee3\u7801\u5982\u679c\u8bf4\u8d70\u5230\u8fd9\uff0c\u90a3\u5c31\u8bc1\u660e\u6d88\u606f\u662f\u6709\u5443\uff0c\u6709\u8bf4\u660e\u6709\u8ba2\u5355\u8981\u5904\u7406\uff0c\u6211\u4eec\u662f\u4e0d\u662f\u5c31\u53ef\u4ee5\u53bb\u5904\u7406\u8fd9\u4e2a\u8ba2\u5355\u4e86\uff0c\u4f46\u662f\u5462\u6211\u4eec\u8981\u5904\u7406\u8ba2\u5355\uff0c\u6211\u662f\u4e0d\u662f\u5f97\u5148\u628a\u5b83\u4ece\u8fd9\u4e2a `list` \u91cc\u53d6\u51fa\u6765\u554a\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5730\u65b9\u5176\u5b9e\u8981\u591a\u4e00\u6b65\u5c31\u662f\u53bb\u89e3\u6790\u554a\uff0c\u6d88\u606f\u4e2d\u7684\u8fd9\u4e2a\u8ba2\u5355\u4fe1\u606f\uff0c\u4f60\u53bb\u89e3\u6790\u4e00\u4e0b\u554a\uff0c\u4ece\u5b83\u91cc\u9762\u53bb\u53d6\u3002<\/p>\n\n\n\n<p>\u90a3\u5b83\u662f\u4e2a `list`\uff0c\u90a3\u6211\u4eec\u5c31\u53d6\u80af\u5b9a\u53d6\uff0c\u6309\u7167\u89d2\u6807\u53d6\u561b\uff0c\u90a3\u867d\u7136\u8bf4\u4ed6\u8fd9\u91cc\u662f\u4e2a\u4f8b\u5b50\uff0c\u4f46\u6211\u4eec\u660e\u786e\u7684\u77e5\u9053\u6211\u770b\u4ed6\u662f\u4e00\u54e6\uff0c\u53ea\u6709\u4e00\u4e2a\uff0c\u6240\u4ee5\u6211\u76f4\u63a5\u5e72\u96f6\u4f4d\u597d\u4e86\u5417\uff0c\u8fd9\u5c31\u62ff\u5230\u4e86\uff0c\u4f46\u662f\u5462\u5927\u5bb6\u4f1a\u6ce8\u610f\u5230\uff0c\u6211\u4eec\u8fd9\u4e2a\u5730\u65b9\u62ff\u5230\u7684\u5374\u662f\u4e00\u4e2a\u4ec0\u4e48\u53eb `map record`\uff0c\u5bf9\u5427\uff0c\u4e3a\u4ec0\u4e48\u662f\u4e00\u4e2a `map`\uff0c\u5176\u5b9e\u5e95\u5c42\u5c31\u662f\u4e00\u4e2a `map`\uff0c\u90a3\u8fd9\u4e2a\u5176\u5b9e\u5c31\u662f\u6d88\u606f\u7684id\u554a\uff0c\u6211\u4eec\u77e5\u9053\u6d88\u606f\u961f\u5217\u91cc\u9762\u53d1\u7684\u6d88\u606f\uff0c\u662f\u4e0d\u662f\u90fd\u4f1a\u6709id\uff0c\u90a3\u4e48\u5728\u8fd9\u4e2a\u5730\u65b9\uff0c\u4ed6\u4e3a\u4ec0\u4e48\u540e\u9762\u8fd8\u6709\u8fd9\u4e2a\u952e\u503c\u5f62\u5f0f\u5462\uff0c\u54ce\u8fd9\u662f\u8ddf\u6211\u4eec\u53d1\u7684\u6d88\u606f\u683c\u5f0f\u6709\u5173\uff0c\u6211\u4eec\u770b\u4e00\u4e0b\u6211\u4eec\u5229\u7528\u8fd9\u4e2a\u5443 `stream` \u53d1\u6d88\u606f\u7684\u65f6\u5019\uff0c\u5176\u5b9e\u6211\u4eec\u53d1\u6d88\u606f\u4e0d\u5c31\u662f\u5efa\u7b51\u683c\u5f0f\u5417\uff0ckey value key value\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u90a3\u8fd9\u91cc\u7684key\u5462\uff0c\u6070\u597d\u5c31\u662f\u6211\u4eec\u90a3\u4e2a `virtual order` \u7c7b\u7684\u4e09\u4e2a\u6210\u5458\u53d8\u91cf\u5bf9\u5427\uff0c\u90a3value\u5c31\u662f\u5bf9\u5e94\u7684\u503c\uff0c\u6240\u4ee5\u8bf4\u5462\u4ed6\u5728\u8fd9\u91cc\u662f\u5efa\u8bbe\u7684\u5f62\u5f0f\uff0c\u56e0\u6b64\u5462\u5b83\u8fd4\u56de\u7684\u6211\u56de\u53bb\u554a\uff0c\u5c31\u662f\u8fd9\u6837\u4e00\u79cd `map` \u5f62\u5f0f\uff0c\u5b83\u5c01\u88c5\u4e86\u4e00\u4e0b\uff0c\u90a3\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u53d6\u51fa\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a `record.get value`\uff0c\u8fd9\u91cc\u7684 `gd` \u554a\uff0c\u5c31\u662f\u6d88\u606fid\u4e86\uff0c`get value` \u62ff\u5230\u7684\u5176\u5b9e\u5c31\u662f\u90a3\u4e2a\u952e\u503c\u5bf9\u4e86\u554a\uff0c\u7535\u8def\u7684\u96c6\u5408\uff0c\u6240\u4ee5\u662f\u4e2a `map`\uff0c\u662f\u4e0d\u662f\uff0c\u90a3\u6211\u4eec\u73b0\u5728\u8981\u505a\u7684\u662f\u4ec0\u4e48\uff0c\u5176\u5b9e\u5c31\u662f\u628a\u8fd9\u4e2a `map` \u8f6c\u6210\u6211\u4eec\u7684 `order` \u5bf9\u8c61\uff0c\u662f\u4e0d\u662f\u5c31\u89e3\u51b3\u6210\u529f\u4e86\uff0c\u600e\u4e48\u8f6c\u5462\uff0c\u6211\u4eec\u4ee5\u524d\u6709\u4e00\u4e2a\u55ef `bean` \u7684 `util` \u5de5\u5177\u7c7b\u561b\uff0c`hoto` \u91cc\u9762\u7684\u561b\uff0c\u5b83\u91cc\u9762\u6709\u4e2a\u53eb `popular fiba with map`\uff0c`fiba` \u7684 `map`\uff0c\u8fd9\u4e2a\u8bf4\u8fc7\u4e86\u5427\uff0c\u90a3\u4f60\u9996\u5148\u628a `map` \u7ed9\u4ed6\uff0c\u7136\u540e\u5462\u7ed9\u4ed6\u4e00\u4e2a\u5bf9\u8c61\u554a\uff0c\u4ec0\u4e48\u5bf9\u8c61\u5462\uff0c\u5c31\u662f\u6211\u4eec\u7684\u8fd9\u4e2a\u8981\u8f6c\u7684\u5bf9\u8c61\u5462\uff0c\u6211\u4eec\u662f `watch order` \u662f\u5427\uff0c\u7136\u540e\u544a\u8bc9\u4ed6\u5982\u679c\u51fa\u9519\u4e86\u600e\u4e48\u529e\uff0c\u51fa\u9519\u4e86\u8981\u4e0d\u8981\u5ffd\u7565\uff0c\u90a3\u6211\u4eec\u5c31\u5ffd\u7565\u5427\uff0c\u8fd9\u4e2a\u5730\u65b9\u5c31\u76f4\u63a5\u5ffd\u7565\uff0c\u90a3\u8fd9\u6837\u5c31\u5f97\u5230 `order` \u5bf9\u8c61\u4e86\u554a\uff0c\u90a3\u62ff\u5230 `order` \u5b8c\u6210\u4e0b\u5355\u4e0d\u5c31o\u4e86\u5417\uff0c\u662f\u4e0d\u662f\u5509\uff0c\u90a3\u4e48\u6700\u540e\u5462\u8fd8\u8981\u53bb\u505a\u8fd9\u4e2a\u8ba2\u5355\u90a3\u4e2a\u786e\u8ba4\u554a\uff0c\u90a3\u786e\u8ba4\u7684\u8bdd\u540c\u6837\u662f\u7528\u4e00\u4e2a\u4ec0\u4e48\uff0c\u7528\u4e00\u4e2a\u6211\u4eec\u4e4b\u524d\u8bb2\u7684\u4e00\u4e2a\u547d\u4ee4\u554a\uff0c\u5c31\u662f `sack`\uff0c\u90a3\u8fd9\u91cc\u8fb9\u8981\u4f20\u7684\u7b2c\u4e00\u5c31\u662f\u4f60\u8fd9\u4e2a\u961f\u5217\u7684\u540d\u5b57\uff0c\u6211\u4eec\u8fd9\u4e2a\u961f\u5217\u662f\u53eb `stream.order` 4\u662f\u5427\uff0c\u7136\u540e\u5462\u5c31\u662f\u4f60\u8fd9\u4e2a\u4ec0\u4e48\u4f60\u662f\u54ea\u4e2a\u7ec4\uff0c\u662f\u4e0d\u662f\u554a\uff0c\u6211\u4eec\u662f\u8fd9\u4e2a\u57fa\u56e0\u7ec4\u554a\uff0c\u8fd9\u4e2a\u6d88\u606f\u7684id\u554a\uff0c\u554a\uff0c\u90a3\u4e48\u4e5f\u5c31\u662f\u8bf4\u4f60\u662f\u54ea\u4e00\u4e2a\u6d88\u606f\u5df2\u7ecf\u88ab\u5904\u7406\u5b8c\u4e86\uff0c\u4f60\u8981\u544a\u8bc9\u4ed6\uff0c\u90a3\u4e48\u5b83\u5c31\u4f1a\u4ece\u8fd9\u4e2a\u961f\u5217\u4e2d\u79fb\u9664\u4e86\u554a\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u6211\u4eec\u5982\u679c\u7528java\u4ee3\u7801\u6765\u8868\u793a\u7684\u8bdd\uff0c\u540c\u6837\u662f\u7528 `retemplate`\uff0c\u5229\u7528 `o stream` \u5bf9\u5427\uff0c\u90a3\u8fd9\u91cc\u8fb9\u5c31\u6709\u4e00\u4e2a\u53eb\u505a `acknowledge` \u7684\u51fd\u6570\u4e86\uff0c\u4f60\u770b\u8fd9\u91cc\u9762\u4f20\u4e09\u4e2a\u53c2\u6570\u5417\uff0c\u7b2c\u4e00\u4e2a\u5c31\u662fkey\uff0c\u4e5f\u5c31\u662f\u4f60\u8fd9\u4e2a\u961f\u5217\u7684\u540d\u5b57\u554a\uff0c\u7136\u540e\u5462\u662f `group` \u554a\uff0c\u4e5f\u5c31\u662f\u4f60\u662f\u54ea\u4e2a\u7ec4\u7684\uff0c\u7136\u540e\u5462\u5c31\u662f\u4f60\u7684\u8fd9\u4e2a\u6d88\u606f\u7684id\u4e86\uff0c\u597d\uff0c\u90a3\u9996\u5148 `group` \u7684\u8bdd\uff0c\u6211\u4eec\u8fd9\u91cc\u5c31\u8bb0\u4e00\u561b\uff0c\u7136\u540e\u5462\u8fd9\u91cc\u7684\u4ec0\u4e48\u5462\uff0c\u55ef `key` \u662f `string` `mode`\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u5e38\u91cf\u53eb `q name` \u4e86\uff0c\u7136\u540e\u662f\u7ec4\u53eb `g1`\uff0c\u7136\u540e\u662f\u6211\u4eec\u7684\u90a3\u4e2a\u4ec0\u4e48\u5462\uff0c\u5c31\u5199\u5c0f\u5199 `d` \u6211\u4eec\u53ef\u4ee5\u4ece\u524d\u9762\u7684\u8fd9\u4e2a `record` \u91cc\u53bb\u53d6\uff0c\u8fd9\u91cc\u9762\u662f\u6709\u7684\u554a\uff0c\u90a3\u8fd9\u4e2a\u5730\u65b9\u7684 `get id` \u5f97\u5230\u7684\u5c31\u662f\u6d88\u606fid\u597d\uff0c\u90a3\u8fd9\u6837\u5462\u6211\u4eec\u7684\u786e\u8ba4\u52a8\u4f5c\u4e5f\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n\n<p>\u597d\u5230\u8fd9\u91cc\u5462\uff0c\u57fa\u672c\u7684\u4f11\u606f\u5904\u7406\u7684\u6d41\u7a0b\u5c31\u5904\u7406\u5b8c\u4e86\u554a\uff0c\u83b7\u53d6\u6d88\u606f\u554a\uff0c\u7136\u540e\u5224\u65ad\u4e00\u4e0b\u6709\u6ca1\u6709\u62ff\u5230\uff0c\u6ca1\u62ff\u5230\u5c31\u7ee7\u7eed\u83b7\u53d6\uff0c\u62ff\u5230\u4e86\u7684\u8bdd\uff0c\u6211\u4eec\u5c31\u5904\u7406\u5904\u7406\u5b8c\u4e0b\u5355\uff0c\u4e0b\u5355\u5b8c\u5168\u4eba\u662f\u5427\uff0c\u54ce\u641e\u5b9a\u4e86\u597d\uff0c\u90a3\u8fd9\u662f\u6b63\u5e38\u60c5\u51b5\uff0c\u90a3\u8fd8\u6709\u4ec0\u4e48\u51fa\u5f02\u5e38\u7684\u60c5\u51b5\uff0c\u90a3\u4e00\u65e6\u5728\u5904\u7406\u6d88\u606f\u7684\u8fc7\u7a0b\u4e2d\u629b\u4e86\u5f02\u5e38\uff0c\u90a3\u4e48\u6211\u4eec\u8981\u5e72\u4ec0\u4e48\uff0c\u6211\u4eec\u77e5\u9053\u6d88\u606f\u4e00\u65e6\u7834\u88c2\uff0c\u957f\u662f\u4e0d\u662f\u5c31\u6ca1\u6709\u88ab `ack` \u786e\u8ba4\uff0c\u90a3\u6ca1\u6709\u88ab `ack` \u786e\u8ba4\uff0c\u5176\u5b9e\u5c31\u4f1a\u8fdb\u5165 `pending list`\uff0c\u7d27\u63a5\u7740\u6211\u4eec\u662f\u4e0d\u662f\u5c31\u5e94\u8be5\u6309\u7167\u8fd9\u4e2a\u903b\u8f91\uff0c\u53bb `pending list` \u91cc\u5c1d\u8bd5\u53d6\u51fa\u6765\u4e86\uff0c\u7136\u540e\u518d\u6b21\u53bb\u505a\u5904\u7406\uff0c\u5bf9\u4e0d\u5bf9\uff0c\u6240\u4ee5\u5728\u8fd9\u513f\u6211\u4eec\u53ef\u4ee5\u5c01\u88c5\u4e00\u4e2a\u65b9\u6cd5\uff0c\u53eb `handle pending list`\uff0c\u52a0\u4e86\u5206\u6570\u518d\u6b21\u6765\u53bb\u5904\u7406\u8fd9\u79cd\u5f02\u5e38\u7684\u6d88\u606f\u5bf9\u5427\uff0c\u53bb\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\u6d88\u606f\u554a\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u4e48\u6211\u4eec\u53bb\u521b\u5efa\u8fd9\u4e2a\u51fd\u6570\u554a\uff0c\u55ef\u5c31\u5728\u5f53\u524d\u5185\u90e8\u7c7b\u7684\u521b\u5efa\u5427\uff0c\u5c31\u5728\u8fd9\u521b\u5efa\u5728\u8fd9\u6765\u505a\u597d\uff0c\u90a3\u600e\u4e48\u505a\u600e\u4e48\u505a\uff0c\u5176\u5b9e\u5462\u55ef\u6d41\u7a0b\u5f88\u7b80\u5355\u554a\uff0c\u90a3\u4e48\u4ed6\u8fd9\u8fb9\u7684\u505a\u6cd5\u5927\u5bb6\u53ef\u4ee5\u770b\u5230\u8fd8\u662f\u4e00\u6837\uff0c\u5faa\u73af\u8fdb\u6765\u4ee5\u540e\u5c1d\u8bd5\u53bb\u5904\u7406\u5bf9\u5427\uff0c\u5904\u7406\u7684\u8fc7\u7a0b\u4e2d\u5224\u65ad\u4e00\u4e0b\u8fd9\u4e2a\u6d88\u606f\u6709\u6ca1\u6709\uff0c\u6ca1\u6709\u7684\u8bdd\u5c31\u7ed3\u675f\u662f\u5427\uff0c\u6709\u7684\u8bdd\u5c31\u7ee7\u7eed\u5c31\u8fd9\u6837\uff0c\u6240\u4ee5\u8bf4\u8ddf\u6211\u4eec\u4e0a\u8fb9\u7684\u8fd9\u4e2a\u4ec0\u4e48\uff0c\u8fd9\u6bb5 `while` \u5faa\u73af\u7684\u6d41\u7a0b\u662f\u4e0d\u662f\u975e\u5e38\u7684\u50cf\uff0c\u6240\u4ee5\u6211\u4eec\u5b8c\u5168\u53ef\u4ee5\u628a\u8fd9\u4e2a\u4ee3\u7801\u6263\u4e00\u5206\u653e\u4e0b\u6765\u554a\uff0c\u770b\u4e0b\u6765\u4ee5\u540e\u5f53\u7136\u8981\u6539\u554a\uff0c\u9996\u5148\u4f60\u8fd9\u4e2a\u5730\u65b9\u8bfb\u7684\u65f6\u5019\uff0c\u4f60\u7684\u4ec0\u4e48\u4f60\u9996\u5148\u4f60\u662f\u8bfb `pending list`\uff0c\u4e0d\u518d\u9700\u8981\u8fd9\u4e2a `block` \u963b\u585e\u4e86\uff0c\u4f60\u7684\u7ed3\u675f\u6807\u8bc6\u4e5f\u662f\u96f6\uff0c\u56e0\u4e3a\u96f6\u7684\u65f6\u5019\u4ee3\u8868\u8bfb\u7684\u4e0d\u662f\u6d88\u606f\u961f\u5217\u4e86\uff0c\u800c\u662f `pending list`\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u6240\u4ee5\u8fd9\u4e00\u70b9\u8981\u6ce8\u610f\u554a\uff0c`pending list` \u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\u554a\uff0c\u4e5f\u5c31\u662f\u51fa\u73b0\u5f02\u5e38\u7684\u554a\uff0c\u8fd9\u4e48\u53bb\u8bfb\uff0c\u90a3\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e2a\u5730\u65b9\u8981\u6539\u7684\u8bdd\uff0c\u9996\u5148\u7b2c\u4e00 `block` \u4e0d\u9700\u8981\u4e86\uff0c\u5176\u6b21\u7684\u8bdd\u5176\u5b9e\u5c31\u662f\u8fd9\u4e2a\u8bf6\uff0c\u8fd9\u91cc\u591a\u4e2a\u62ec\u53f7\u662f\u5427\uff0c\u5176\u6b21\u5c31\u662f\u8fd9\u4e2a\u5730\u65b9\u554a\uff0c\u7ed3\u675f\u6807\u8bc6\u4e0d\u518d\u662f `last consumer` \u662f\u96f6\uff0c\u90a3\u4ed6\u8fd9\u91cc\u8fb9\u6709\u6ca1\u6709\u4e00\u4e2a\u7ed3\u675f\u6807\u8bc6\u662f\u4ee3\u8868\u96f6\u7684\uff0c\u6ca1\u6709\u5bf9\u5427\uff0c\u8fd9\u662f `dollar` \u7b26\uff0c\u8fd9\u662f\u90a3\u4e2a\u5927\u4e8e\u53f7\uff0c\u90a3\u6240\u4ee5\u5462\u4f60\u5728\u5e72\u4ec0\u4e48\uff0c\u81ea\u5df1\u4f20\uff0c\u770b\u5230\u6ca1\u6709\uff0c\u4ece\u81ea\u5df1\u4f20\u7684\u65f6\u5019\u5c31\u76f4\u63a5\u4f20\u96f6\u5c31\u884c\uff0c\u90a3\u8fd9\u4e2a\u8bfb\u7684\u5c31\u662f `pending list` \u597d\uff0c\u90a3\u4e48 `pending list` \u7684\u8bfb\u53d6\uff0c\u7136\u540e\u5462\u4ed6\u770b\u4e00\u4e0b\u6709\u6ca1\u6709\u8bfb\u5230\uff0c\u90a3\u6ca1\u8bfb\u5230\u8bf4\u660e\u4ec0\u4e48\uff0c\u8bf4\u660e `pending list` \u91cc\u8fb9\u6ca1\u6709\u4ec0\u4e48\u5f02\u5e38\u7684\u6d88\u606f\uff0c\u6ca1\u6709\u5f02\u5e38\u6d88\u606f\uff0c\u90a3\u6ca1\u6709\u5f02\u5e38\u6d88\u606f\uff0c\u6211\u8fd8\u9700\u8981\u7ee7\u7eed\u5417\uff0c\u7ee7\u7eed\u5417\uff0c\u8fd8\u9700\u8981\u4e0b\u4e00\u6b21\u5faa\u73af\uff0c\u5b8c\u5168\u4e0d\u9700\u8981\u4e86\uff0c\u4f60\u90fd\u6ca1\u4e86\uff0c\u6211\u8fd8\u7ee7\u7eed\u4ec0\u4e48\uff0c\u5e94\u8be5\u662f\u7ed3\u675f\u5faa\u73af\u624d\u5bf9\uff0c\u7ed3\u675f\u5faa\u73af\u554a\uff0c\u8df3\u51fa\u5faa\u73af\u597d\uff0c\u90a3\u5c31\u7ed3\u675f\u4e86\uff0c\u5c31\u4f1a\u5e72\u4ec0\u4e48\uff0c\u5c31\u4f1a\u662f\u4e0d\u662f\u6267\u884c\u8fd9\u8fb9\u7684\u903b\u8f91\u4e86\uff0c\u7ee7\u7eed\u53bb\u5904\u7406\uff0c\u5bf9\u4e0d\u5bf9\u554a\u3002<\/p>\n\n\n\n<p>\u597d\uff0c\u90a3\u5982\u679c\u8bf4\u8fd9\u91cc\u8fb9\u6709\u591a\u591a\u7684\u6709\uff0c\u6211\u662f\u4e0d\u662f\u6309\u7167\u6b63\u5e38\u903b\u8f91\u53bb\u89e3\u6790\uff0c\u7136\u540e\u5462\u5f97\u5230\u8ba2\u5355\uff0c\u7136\u540e\u53bb\u5904\u7406\u8ba2\u5355\u5c31\u884c\u4e86\uff0c\u7136\u540e\u786e\u8ba4\u8fd9\u4e2a\u4e0d\u53d8\u8ddf\u4ee5\u524d\u4e00\u6837\u5bf9\u5427\uff0c\u90a3\u5982\u679c\u8fd9\u91cc\u53c8\u629b\u51fa\u4e86\u5f02\u5e38\u5462\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u5728\u5904\u7406 `pending list` \u7684\u8fc7\u7a0b\u4e2d\uff0c\u53c8\u629b\u4e86\u5f02\u5e38\u5462\uff0c\u662f\u4e0d\u662f\u53c8\u88ab\u6211\u770b\u9f50\uff0c\u7136\u540e\u6211 `continue` \u54ce\u53c8\u5faa\u73af\u554a\uff0c\u518d\u6b21\u53bb `plist` \u53d6\uff0c\u56e0\u4e3a\u4f60\u8fd9\u6b21\u5904\u7406\u53c8\u51fa\u5f02\u5e38\u4e86\uff0c\u6240\u4ee5\u4ed6\u4f9d\u7136\u4e3a\u672a\u786e\u8ba4\uff0c\u662f\u4e0d\u662f\u4f9d\u7136\u5728 `pending` \u91cc\uff1f\u90a3\u8fd9\u4e2a\u5faa\u73af\u5c31\u4f1a\u4e00\u76f4\u5faa\u73af\u4e00\u76f4\u5faa\u73af\uff0c\u76f4\u5230\u8fd9\u4e2a\u6d88\u606f\u5904\u7406\u6210\u529f\u4e3a\u6b62\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u6240\u4ee5\u4e00\u5b9a\u8981\u6210\u529f\uff0c\u90a3\u6709\u4eba\u8bf4\u4e86\uff0c\u6211\u5c31\u662f\u4e0d\u6210\u529f\uff0c\u8bd5\u4e86\u51e0\u5343\u6b21\u90fd\u4e0d\u6210\u529f\uff0c\u518d\u600e\u4e48\u529e\uff1f\u8fd9\u4e2a\u65f6\u5019\u4f60\u5176\u5b9e\u53ef\u4ee5\u4eba\u5de5\u4ecb\u5165\u4e86\u5bf9\u5427\uff0c\u4f60\u53ef\u4ee5\u53bb\u63a5\u751f\u65e5\uff0c\u5982\u679c\u8fd9\u4e2a\u65e5\u5fd7\u51fa\u73b0\u55ef\u957f\u4e45\u7684\u95ee\u9898\uff0c\u4f60\u5c31\u53ef\u4ee5\u8b66\u544a\u4e86\u561b\uff0c\u8fd8\u8b66\u544a\u4e86\u5bf9\u5427\uff0c\u4e5f\u662f\u6ca1\u95ee\u9898\u7684\u3002\u597d\uff0c\u8fd9\u662f\u6211\u4eec\u6574\u4e2a\u7528java\u4ee3\u7801\u6765\u5904\u7406\u6d88\u606f\u7684\u4e00\u4e2a\u6d41\u7a0b\uff0c\u5927\u5bb6\u53ef\u4ee5\u60f3\u8c61\u7684\u662f\u57fa\u4e8e\u8fd9\u6837\u4e00\u79cd\u6a21\u5f0f\u554a\uff0c\u90a3\u6b63\u5e38\u60c5\u51b5\u4e0b\u6211\u4e00\u5b9a\u786e\u8ba4\uff0c\u5f02\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u518d\u5224\u5b9a\u4e00\u6b21\u7684\u5904\u7406\uff0c\u518d\u786e\u8ba4\u53ef\u4ee5\u786e\u4fdd\u6211\u4eec\u6d88\u606f\u554a\u81f3\u5c11\u88ab\u6d88\u8d39\u4e00\u6b21\u6ca1\u95ee\u9898\u5427\u3002\u90a3\u5230\u8fd9\u91cc\u5462\uff0c\u6211\u4eec\u57fa\u4e8e\u6d88\u8d39\u8005\u7ec4\u7684\u8fd9\u79cd\u6d88\u8d39\u6a21\u578b\u554a\uff0c\u4e5f\u5c31\u7ed9\u5927\u5bb6\u5206\u6790\u5b8c\u6bd5\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8fd9\u91cc\u4e00\u4e0a\u6765\u5c31\u662f\u4e00\u4e2a `while(true)` \u7684\u6b7b\u5faa\u73af\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u7684\u6d88\u8d39\u8005\u4f1a\u5faa\u73af\u5f80\u590d\u5730\u4e00\u76f4\u53bb\u83b7\u53d6\u6d88\u8d39\u8005\u7ec4\u4e2d\u7684\u6d88\u606f\u3002\u83b7\u53d6\u6d88\u606f\u961f\u5217\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\u65f6\uff0c\u7531\u4e8e\u6d88\u606f\u53ef\u80fd\u4e0d\u5b58\u5728\uff0c\u6240\u4ee5\u9700\u8981\u8fdb\u884c\u5224\u65ad\u3002\u4f7f\u7528 `XREADGROUP GROUP g1 c1 COUNT 1 BLOCK 2000 STREAMS stream.order &gt;` \u547d\u4ee4\u83b7\u53d6\u6d88\u606f\uff0c\u5176\u4e2d\uff1a<br>- `g1` \u662f\u6d88\u8d39\u8005\u7ec4\u540d\u79f0<br>- `c1` \u662f\u6d88\u8d39\u8005\u540d\u79f0<br>- `COUNT 1` \u8868\u793a\u6bcf\u6b21\u8bfb\u53d61\u6761\u6d88\u606f<br>- `BLOCK 2000` \u8868\u793a\u963b\u585e\u7b49\u5f852\u79d2<br>- `stream.order` \u662fStream\u540d\u79f0<br>- `&gt;` \u8868\u793a\u8bfb\u53d6\u6700\u65b0\u672a\u6d88\u8d39\u7684\u6d88\u606f<\/p>\n\n\n\n<p>\u5224\u65ad\u6d88\u606f\u83b7\u53d6\u662f\u5426\u6210\u529f\uff1a<br>- \u5982\u679c\u8fd4\u56denull\u6216\u7a7a\u5217\u8868\uff0c\u8bf4\u660e\u5f53\u524d\u65e0\u6d88\u606f\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af<br>- \u5982\u679c\u83b7\u53d6\u6210\u529f\uff0c\u9700\u8981\u89e3\u6790\u6d88\u606f\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f<\/p>\n\n\n\n<p>\u89e3\u6790\u8fc7\u7a0b\u901a\u8fc7 `BeanUtil.fillBeanWithMap` \u5c06Map\u683c\u5f0f\u7684Stream\u6d88\u606f\u8f6c\u6362\u4e3aVoucherOrder\u5bf9\u8c61\u3002\u5904\u7406\u5b8c\u8ba2\u5355\u540e\u9700\u8981\u6267\u884c **XACK** \u786e\u8ba4\uff1a`XACK stream.order g1 id`\uff0c\u8fd9\u91cc\u901a\u8fc7 `stringRedisTemplate.opsForStream().acknowledge()` \u65b9\u6cd5\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u5f02\u5e38\u5904\u7406\u65f6\u4f1a\u8fdb\u5165 `handlePendingList` \u65b9\u6cd5\uff0c\u4f7f\u7528 `XREADGROUP GROUP g1 c1 COUNT 1 STREAMS stream.order 0` \u8bfb\u53d6pending\u5217\u8868\uff080\u8868\u793a\u4ecepending\u5217\u8868\u5f00\u59cb\u8bfb\u53d6\uff09\u3002\u5904\u7406\u903b\u8f91\u4e0e\u6b63\u5e38\u6d88\u606f\u7c7b\u4f3c\uff0c\u4f46\u4e0d\u9700\u8981\u963b\u585e\u7b49\u5f85\uff0c\u5faa\u73af\u76f4\u5230pending\u5217\u8868\u5904\u7406\u5b8c\u6bd5\u3002<\/p>\n\n\n\n<p>\u5173\u952e\u70b9\u8bf4\u660e\uff1a<br>1. **\u6d88\u8d39\u8005\u7ec4\u5fc5\u987b\u9884\u5148\u521b\u5efa**\uff0c\u5426\u5219\u4f1a\u51fa\u73b0Redis\u72b6\u6001\u66f4\u65b0\u4f46MySQL\u672a\u540c\u6b65\u7684\u95ee\u9898<br>2. **\u6d88\u606f\u786e\u8ba4\u673a\u5236**\uff1a\u672a\u786e\u8ba4\u7684\u6d88\u606f\u4f1a\u8fdb\u5165pending\u5217\u8868\uff0c\u9700\u8981\u4e13\u95e8\u5904\u7406<br>3. **\u963b\u585e\u4e0e\u975e\u963b\u585e**\uff1a\u6b63\u5e38\u6d88\u8d39\u4f7f\u7528\u963b\u585e\u8bfb\uff0cpending\u5904\u7406\u4f7f\u7528\u975e\u963b\u585e\u8bfb<br>4. **Stream\u504f\u79fb\u91cf**\uff1a`&gt;` \u8bfb\u65b0\u6d88\u606f\uff0c`0` \u8bfbpending\u5217\u8868<br>5. **\u6d88\u606f\u8f6c\u6362**\uff1a\u901a\u8fc7\u5de5\u5177\u7c7b\u5c06Redis\u7684Map\u6d88\u606f\u8f6c\u4e3a\u9886\u57df\u5bf9\u8c61<\/p>\n\n\n\n<p>\u4ee3\u7801\u4e2d\u4f7f\u7528Spring Data Redis\u7684 `opsForStream()` \u64cd\u4f5c\u7c7b\uff0c\u5176\u4e2d\uff1a<br>- `Consumer.from(\"g1\", \"c1\")` \u6307\u5b9a\u6d88\u8d39\u8005\u7ec4\u548c\u6d88\u8d39\u8005\u8eab\u4efd<br>- `StreamReadOptions` \u914d\u7f6e\u8bfb\u53d6\u53c2\u6570<br>- `StreamOffset.create()` \u6307\u5b9aStream\u540d\u79f0\u548c\u8bfb\u53d6\u4f4d\u7f6e<br>- `acknowledge()` \u65b9\u6cd5\u5bf9\u5e94 **XACK** \u547d\u4ee4<\/p>\n\n\n\n<p>\u5f02\u5e38\u5904\u7406\u6d41\u7a0b\u4f1a\u4e0d\u65ad\u91cd\u8bd5pending\u6d88\u606f\uff0c\u76f4\u5230\u5904\u7406\u6210\u529f\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4fdd\u8bc1\u4e86\u6d88\u606f\u7684**\u81f3\u5c11\u4e00\u6b21\u6d88\u8d39**\u8bed\u4e49\uff0c\u4f46\u9700\u8981\u4e1a\u52a1\u903b\u8f91\u505a\u597d\u5e42\u7b49\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u662fproxy\u4e3a\u7a7a\u5f02\u5e38\u7684\u6ce8\u610f\u4e0d\u8981\u96c6\u7fa4\u542f\u52a8\uff0c\u56e0\u4e3aproxy\u53ea\u4f1a\u5728\u4e00\u4e2a\u670d\u52a1\u4e2d\u88ab\u8d4b\u503c\uff0c\u53e6\u4e00\u4e2a\u5c31\u662f\u6ca1\u6709\u88ab\u8d4b\u503cnull<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u91cc\u628a\u4e3b\u7ebf\u7a0b\u7684proxy\u8d4b\u503c\u63d0\u65e9\u5230\u6267\u884cLua\u811a\u672c\u4e4b\u524d\u4e5f\u8bb8\u66f4\u597d\uff0c\u4e0d\u7136proxy\u5728\u5f02\u6b65\u7ebf\u7a0b\u91cc\u53ef\u80fd\u51fa\u73b0\u7a7a\u6307\u9488\u5f02\u5e38\uff1b\u5343\u4e07\u4e0d\u8981\u542f\u52a8\u4e24\u4e2a\u670d\u52a1\uff0c\u4e0d\u7136\u540c\u4e00\u4e2a\u6d88\u8d39\u8005\u540d\u5b57\uff0c\u4e24\u4e2a\u6d88\u8d39\u8005\u62a2\u4e00\u4e2a\u6d88\u606f\uff0c\u51fa\u73b0\u5e76\u53d1\u62a5\u9519\u3002 \u200b<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u200b &nbsp;&nbsp;Redis\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u5f02\u6b65\u79d2\u6740 \u4e00\u4e9b\u989d\u5916\u8bdd\u8bed\uff1a\u8fc7\u6765\u4eba\u63d0\u9192\u4e0b\uff0c\u4e0d\u8981\u7528stream\uff0c\u53ef\u4ee5\u8df3\u8fc7\u4e0d\u770b\uff0c\u7528\u4e13\u4e1a\u7684 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3],"tags":[19,26,20],"class_list":["post-1028","post","type-post","status-publish","format-standard","hentry","category-3","tag-java","tag-redis","tag-20"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1028"}],"version-history":[{"count":1,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1028\/revisions"}],"predecessor-version":[{"id":1029,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1028\/revisions\/1029"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}