{"id":1400,"date":"2025-12-11T16:45:27","date_gmt":"2025-12-11T08:45:27","guid":{"rendered":"https:\/\/eve2333.top\/?p=1400"},"modified":"2025-12-11T16:45:28","modified_gmt":"2025-12-11T08:45:28","slug":"%e5%8a%a8%e6%80%81%e7%ba%bf%e7%a8%8b%e6%b1%a0onethread%e7%b3%bb%e7%bb%9f-%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=1400","title":{"rendered":"\u52a8\u6001\u7ebf\u7a0b\u6c60oneThread\u7cfb\u7edf — \u7b2c\u4e00\u90e8\u5206"},"content":{"rendered":"\n

\u9996\u5148\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u57282020\u5e74\u53d1\u5e03\u7684\u4e00\u7bc7\u6587\u7ae0Java\u7ebf\u7a0b\u6c60\u5b9e\u73b0\u539f\u7406\u53ca\u5176\u5728\u7f8e\u56e2\u4e1a\u52a1\u4e2d\u7684\u5b9e\u8df5 - \u7f8e\u56e2\u6280\u672f\u56e2\u961f<\/a>\uff0c\u8be6\u7ec6\u8bb2\u89e3\u4e86\u7ebf\u7a0b\u6c60\u7684\u6765\u5386\u4e0e\u539f\u7406\uff0c\u8fd9\u4e2a\u4e00\u53e5\u8bdd\u5e26\u8fc7\uff1b\u63a5\u4e0b\u6765\u662fjdk1.8\u7684\u7ebf\u7a0b\u6c60\u539f\u7406\uff0cjava\u4e2d\u7684\u7ebf\u7a0b\u6c60\u6838\u5fc3\u5b9e\u73b0\u7c7b\u662fThreadPoolExecutor\uff0cThreadPoolExecutor\u5b9e\u73b0\u7684\u9876\u5c42\u63a5\u53e3\u662fExecutor\uff0c\u628a\u4efb\u52a1\u89e3\u8026\u5206\u6210\u4e24\u90e8\u5206\uff1b\u7528\u6237\u53ea\u9700\u63d0\u4f9bRunnable\u5bf9\u8c61\uff0c\u8fd0\u884c\u903b\u8f91\u63d0\u4ea4\u5230\u6267\u884c\u5668Executor\u4e2d\u81ea\u52a8\u8fd0\u884c\uff1bExecutorService\u63a5\u53e3\u53ef\u4ee5\u81ea\u5df1\u8865\u5145\u4efb\u52a1\u5f02\u6b65future\u65b9\u6cd5\uff0c\u6269\u5145\u6267\u884c\u4efb\u52a1\uff1b\u8fd8\u53ef\u4ee5\u7ba1\u63a7\u7ebf\u7a0b\u6c60\uff1b<\/p>\n\n\n\n

AbstractExecutorService\u5219\u662f\u4e0a\u5c42\u5c06\u6574\u4e2a\u8fc7\u7a0b\u7a7f\u8d77\u6765\uff0c\u6700\u4e0b\u5c42\u7684\u5b9e\u73b0\u7c7bThreadPoolExecutor\u5b9e\u73b0\u6700\u4e3b\u8981\u7684\u529f\u80fd\uff0c\u8fd9\u4e5f\u662f\u4e0b\u9762\u8be6\u7ec6\u8bb2\u8ff0\u7684\u5185\u5bb9<\/p>\n\n\n\n

\u7ebf\u7a0b\u6c60\u6784\u5efa\u4e86\u4e00\u4e2a\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\uff0c\u5c06\u7ebf\u7a0b\u548c\u4efb\u52a1\u4e24\u8005\u89e3\u8026\uff0c\u751f\u4ea7\u8005\u63a5\u6536\u5230\u6d88\u606f\u540e\u5c311\u76f4\u63a5\u6267\u884c2\u653e\u5230\u961f\u5217\u91cc\u9762\u7b49\u5f85\u6267\u884c3\u62d2\u7edd\u6267\u884c\uff1b\u6d88\u8d39\u8005\u5219\u7b49\u5f85\u751f\u4ea7\u8005\u7684\u4efb\u52a1\uff0c\u7136\u540e\u8fdb\u884c\u7ebf\u7a0b\u7684\u5206\u914d\u4f7f\u7528\uff0c\u6267\u884c\u5b8c\u4efb\u52a1\u7136\u540e\u91cd\u65b0\u4efb\u52a1\u6216\u8005\u56de\u6536<\/p>\n\n\n\n

\u7ebf\u7a0b\u6c60\u8fd0\u884c\u7684\u72b6\u6001\u662f\u5728\u7ebf\u7a0b\u6c60\u7684\u8fd0\u884c\u4e2d\u5185\u90e8\u8bbe\u5b9a\u3002\u7ebf\u7a0b\u6c60\u5185\u90e8\u4f7f\u7528\u4e00\u4e2a\u53d8\u91cf\u7ef4\u62a4\u4e24\u4e2a\u503c\uff1a\u8fd0\u884c\u72b6\u6001(runState)\u548c\u7ebf\u7a0b\u6570\u91cf (workerCount)\u3002 \u5728\u5177\u4f53\u5b9e\u73b0\u4e2d\uff0c\u7ebf\u7a0b\u6c60\u5c06\u8fd0\u884c\u72b6\u6001(runState)\u3001\u7ebf\u7a0b\u6570\u91cf (workerCount)\u4e24\u4e2a\u5173\u952e\u53c2\u6570\u7684\u7ef4\u62a4\u653e\u5728\u4e86\u4e00\u8d77\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n\n\n\n

private<\/strong> final<\/strong> AtomicInteger ctl = new<\/strong> AtomicInteger(ctlOf(RUNNING, 0));<\/code><\/pre>\n\n\n\n
\u5f88\u725b\uff0c\u4e00\u4e2a\u53d8\u91cf\u7ef4\u62a4\u4e24\u4e2a\u6570\u5b57\uff0cctl<\/code>\u8fd9\u4e2aAtomicInteger\uff0c\u91cc\u9762\u9ad83\u4f4d\u4fdd\u5b58runState\uff0c\u4f4e29\u4f4d\u4fdd\u5b58workerCount\uff0c\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u4e92\u4e0d\u5e72\u6270\uff0c\u5e76\u4e14\u7ecf\u5e38\u51fa\u73b0\u8981\u540c\u65f6\u5224\u65ad\u7ebf\u7a0b\u6c60\u8fd0\u884c\u72b6\u6001\u548c\u7ebf\u7a0b\u6570\u91cf\u7684\u60c5\u51b5\u3002\u7ebf\u7a0b\u6c60\u4e5f\u63d0\u4f9b\u4e86\u82e5\u5e72\u65b9\u6cd5\u53bb\u4f9b\u7528\u6237\u83b7\u5f97\u7ebf\u7a0b\u6c60\u5f53\u524d\u7684\u8fd0\u884c\u72b6\u6001\u3001\u7ebf\u7a0b\u4e2a\u6570\u3002\u8fd9\u91cc\u90fd\u4f7f\u7528\u7684\u662f\u4f4d\u8fd0\u7b97\u7684\u65b9\u5f0f<\/p>\n\n\n\n
ThreadPoolExecutor\u7684\u8fd0\u884c\u72b6\u6001\u67095\u79cd\uff1a<\/p>\n\n\n\n
RUNNING<\/td>\u80fd\u63a5\u53d7\u65b0\u63d0\u4ea4\u7684\u4efb\u52a1\uff0c\u5e76\u4e14\u4e5f\u80fd\u5904\u7406\u963b\u585e\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/td><\/tr>
SHUTDOWN<\/td>\u5173\u95ed\u72b6\u6001\uff0c\u4e0d\u518d\u63a5\u53d7\u65b0\u63d0\u4ea4\u7684\u4efb\u52a1\uff0c\u4f46\u5374\u53ef\u4ee5\u7ee7\u7eed\u5904\u7406\u963b\u585e\u961f\u5217\u4e2d\u5df2\u4fdd\u5b58\u7684\u4efb\u52a1\u3002<\/td><\/tr>
STOP<\/td>\u4e0d\u80fd\u63a5\u53d7\u65b0\u4efb\u52a1\uff0c\u4e5f\u4e0d\u5904\u7406\u961f\u5217\u4e2d\u7684\u4efb\u52a1\uff0c\u4f1a\u4e2d\u65ad\u6b63\u5728\u5904\u7406\u4efb\u52a1\u7684\u7ebf\u7a0b\u3002<\/td><\/tr>
TIDYING<\/td>\u6240\u6709\u7684\u4efb\u52a1\u90fd\u5df2\u7ec8\u6b62\u4e86\uff0cworkerCount(\u6709\u6548\u7ebf\u7a0b\u6570\uff09\u4e3a0\u3002<\/td><\/tr>
TERMINATED<\/td>\u5728terminated(\uff09\u65b9\u6cd5\u6267\u884c\u5b8c\u540e\u8fdb\u5165\u8be5\u72b6\u6001\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4e00\u822c\u6765\u8bf4\u662frunning\uff0c\u7136\u540e\u4f60\u4ee3\u7801\u9009\u62e9\u8c03\u7528shutdown()\u5c31shutdown\u505c\u6b62\u5e76\u7ee7\u7eed\u5b8c\u6210\u961f\u5217\u7684\u4efb\u52a1\u4e86\uff0cshutdownNow()\u4f1a\u7acb\u523b\u505c\u6b62\u5230stop\uff0c\u7136\u540e\u6709\u6548\u7ebf\u7a0b\u6570\u4e3a0\u65f6\u5c31tidying\u8fd9\u79cd\u4f11\u7720\u72b6\u6001\uff0c\u6700\u540eterminated\u8c03\u7528\u5219\u662f\u5f7b\u5e95\u4f11\u7720\u4e86<\/p>\n\n\n\n
\u4efb\u52a1\u7684\u8c03\u5ea6\u90fd\u662f\u7531execute\u65b9\u6cd5\u5b8c\u6210\u7684\uff0c\u8fd9\u90e8\u5206\u5b8c\u6210\u7684\u5de5\u4f5c\u662f\uff1a\u68c0\u67e5\u73b0\u5728\u7ebf\u7a0b\u6c60\u7684\u8fd0\u884c\u72b6\u6001\u3001\u8fd0\u884c\u7ebf\u7a0b\u6570\u3001\u8fd0\u884c\u7b56\u7565\uff0c\u51b3\u5b9a\u63a5\u4e0b\u6765\u6267\u884c\u7684\u6d41\u7a0b\uff0c\u662f\u76f4\u63a5\u7533\u8bf7\u7ebf\u7a0b\u6267\u884c\uff0c\u6216\u662f\u7f13\u51b2\u5230\u961f\u5217\u4e2d\u6267\u884c\uff0c\u4ea6\u6216\u662f\u76f4\u63a5\u62d2\u7edd\u8be5\u4efb\u52a1\u3002\u5176\u6267\u884c\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    \n
  1. \u9996\u5148\u68c0\u6d4b\u7ebf\u7a0b\u6c60\u8fd0\u884c\u72b6\u6001\uff0c\u5982\u679c\u4e0d\u662fRUNNING\uff0c\u5219\u76f4\u63a5\u62d2\u7edd\uff0c\u7ebf\u7a0b\u6c60\u8981\u4fdd\u8bc1\u5728RUNNING\u7684\u72b6\u6001\u4e0b\u6267\u884c\u4efb\u52a1\u3002<\/li>\n\n\n\n
  2. \u5982\u679cworkerCount < corePoolSize\uff0c\u5219\u521b\u5efa\u5e76\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\u6765\u6267\u884c\u65b0\u63d0\u4ea4\u7684\u4efb\u52a1\u3002<\/li>\n\n\n\n
  3. \u5982\u679cworkerCount >= corePoolSize\uff0c\u4e14\u7ebf\u7a0b\u6c60\u5185\u7684\u963b\u585e\u961f\u5217\u672a\u6ee1\uff0c\u5219\u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u8be5\u963b\u585e\u961f\u5217\u4e2d\u3002<\/li>\n\n\n\n
  4. \u5982\u679cworkerCount >= corePoolSize && workerCount < maximumPoolSize\uff0c\u4e14\u7ebf\u7a0b\u6c60\u5185\u7684\u963b\u585e\u961f\u5217\u5df2\u6ee1\uff0c\u5219\u521b\u5efa\u5e76\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\u6765\u6267\u884c\u65b0\u63d0\u4ea4\u7684\u4efb\u52a1\u3002<\/li>\n\n\n\n
  5. \u5982\u679cworkerCount >= maximumPoolSize\uff0c\u5e76\u4e14\u7ebf\u7a0b\u6c60\u5185\u7684\u963b\u585e\u961f\u5217\u5df2\u6ee1, \u5219\u6839\u636e\u62d2\u7edd\u7b56\u7565\u6765\u5904\u7406\u8be5\u4efb\u52a1, \u9ed8\u8ba4\u7684\u5904\u7406\u65b9\u5f0f\u662f\u76f4\u63a5\u629b\u5f02\u5e38<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n
    \u4efb\u52a1\u548c\u7ebf\u7a0b\u4e24\u8005\u89e3\u8026\uff0c\u5bf9\u4e8e\u540e\u7eed\u7684\u5206\u914d\u5de5\u4f5c\uff0c\u7ebf\u7a0b\u6c60\u4e2d\u662f\u4ee5\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u5f0f\uff0c\u901a\u8fc7\u4e00\u4e2a\u963b\u585e\u961f\u5217\u6765\u5b9e\u73b0\u7684\u3002\u963b\u585e\u961f\u5217\u7f13\u5b58\u4efb\u52a1\uff0c\u5de5\u4f5c\u7ebf\u7a0b\u4ece\u963b\u585e\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\u3002\u963b\u585e\u961f\u5217\u652f\u6301\u4e24\u4e2a\u9644\u52a0\u64cd\u4f5c\u7684\u961f\u5217\u3002\u8fd9\u4e24\u4e2a\u9644\u52a0\u7684\u64cd\u4f5c\u662f\uff1a1.\u5728\u961f\u5217\u4e3a\u7a7a\u65f6\uff0c\u83b7\u53d6\u5143\u7d20\u7684\u7ebf\u7a0b\u4f1a\u7b49\u5f85\u961f\u5217\u53d8\u4e3a\u975e\u7a7a\u30022.\u5f53\u961f\u5217\u6ee1\u65f6\uff0c\u5b58\u50a8\u5143\u7d20\u7684\u7ebf\u7a0b\u4f1a\u7b49\u5f85\u961f\u5217\u53ef\u7528\u3002\u751f\u4ea7\u8005\u5f80\u961f\u5217\u91cc\u6dfb\u52a0\u5143\u7d20\u7684\u7ebf\u7a0b\uff0c\u6d88\u8d39\u8005\u4ece\u961f\u5217\u91cc\u62ff\u5143\u7d20\u7684\u7ebf\u7a0b\uff0c\u5982\u6b64\u5faa\u73af\u5f80\u590d\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u7684\u9ad8\u6548\u590d\u7528\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u9500\u6bc1\u521b\u5efa\u7ebf\u7a0b\u662f\u65f6\u95f4<\/p>\n\n\n\n
    \u540d\u79f0<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
    ArrayBlockingQueue<\/td>\u4e00\u4e2a\u7528\u6570\u7ec4\u5b9e\u73b0\u7684\u6709\u754c\u963b\u585e\u961f\u5217\uff0c\u6b64\u961f\u5217\u6309\u7167\u5148\u8fdb\u5148\u51fa(FIFO)\u7684\u539f\u5219\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002\u652f\u6301\u516c\u5e73\u9501\u548c\u975e\u516c\u5e73\u9501\u3002<\/td><\/tr>
    LinkedBlockingQueue<\/td>\u4e00\u4e2a\u7531\u94fe\u8868\u7ed3\u6784\u7ec4\u6210\u7684\u6709\u754c\u961f\u5217\uff0c\u6b64\u961f\u5217\u6309\u7167\u5148\u8fdb\u5148\u51fa(FIFO)\u7684\u539f\u5219\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002\u6b64\u961f\u5217\u7684\u9ed8\u8ba4\u957f\u5ea6\u4e3aInteger.MAX_VALUE\uff0c\u6240\u4ee5\u9ed8\u8ba4\u521b\u5efa\u7684\u8be5\u961f\u5217\u6709\u5bb9\u91cf\u5371\u9669\u3002<\/td><\/tr>
    PriorityBlockingQueue<\/td>\u4e00\u4e2a\u652f\u6301\u7ebf\u7a0b\u4f18\u5148\u7ea7\u6392\u5e8f\u7684\u65e0\u754c\u961f\u5217\uff0c\u9ed8\u8ba4\u81ea\u7136\u5e8f\u8fdb\u884c\u6392\u5e8f\uff0c\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5b9e\u73b0compareTo()\u65b9\u6cd5\u6765\u6307\u5b9a\u5143\u7d20\u6392\u5e8f\u89c4\u5219\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u540c\u4f18\u5148\u7ea7\u5143\u7d20\u7684\u987a\u5e8f\u3002<\/td><\/tr>
    DelayQueue<\/td>\u4e00\u4e2a\u5b9e\u73b0PriorityBlockingQueue\u5b9e\u73b0\u5ef6\u8fdf\u83b7\u53d6\u7684\u65e0\u754c\u961f\u5217\uff0c\u5728\u521b\u5efa\u5143\u7d20\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u591a\u4e45\u624d\u80fd\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u3002\u53ea\u6709\u5ef6\u65f6\u671f\u6ee1\u540e\u624d\u80fd\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u5143\u7d20\u3002<\/td><\/tr>
    SynchronousQueue<\/td>\u4e00\u4e2a\u4e0d\u5b58\u50a8\u5143\u7d20\u7684\u963b\u585e\u961f\u5217\uff0c\u6bcf\u4e00\u4e2aput\u64cd\u4f5c\u5fc5\u987b\u7b49\u5f85take\u64cd\u4f5c\uff0c\u5426\u5219\u4e0d\u80fd\u6dfb\u52a0\u5143\u7d20\u3002\u652f\u6301\u516c\u5e73\u9501\u548c\u975e\u516c\u5e73\u9501\u3002SynchronousQueue\u7684\u4e00\u4e2a\u4f7f\u7528\u573a\u666f\u662f\u5728\u7ebf\u7a0b\u6c60\u91cc\u3002Executors.newCachedThreadPool()\u5c31\u4f7f\u7528\u4e86SynchronousQueue\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u6c60\u6839\u636e\u9700\u8981\uff08\u65b0\u4efb\u52a1\u5230\u6765\u65f6\uff09\u521b\u5efa\u65b0\u7684\u7ebf\u7a0b\uff0c\u5982\u679c\u6709\u7a7a\u95f2\u7ebf\u7a0b\u5219\u4f1a\u91cd\u590d\u4f7f\u7528\uff0c\u7ebf\u7a0b\u7a7a\u95f2\u4e8660\u79d2\u540e\u4f1a\u88ab\u56de\u6536\u3002<\/td><\/tr>
    LinkedTransferQueue<\/td>\u4e00\u4e2a\u7531\u94fe\u8868\u7ed3\u6784\u7ec4\u6210\u7684\u65e0\u754c\u963b\u585e\u961f\u5217\uff0c\u76f8\u5f53\u4e8e\u5176\u5b83\u961f\u5217\uff0cLinkedTransferQueue\u961f\u5217\u591a\u4e86transfer\u548ctryTransfer\u65b9\u6cd5\u3002<\/td><\/tr>
    LinkedBlockingDeque<\/td>\u4e00\u4e2a\u7531\u94fe\u8868\u7ed3\u6784\u7ec4\u6210\u7684\u53cc\u5411\u963b\u585e\u961f\u5217\u3002\u961f\u5217\u5934\u90e8\u548c\u5c3e\u90e8\u90fd\u53ef\u4ee5\u6dfb\u52a0\u548c\u79fb\u9664\u5143\u7d20\uff0c\u591a\u7ebf\u7a0b\u5e76\u53d1\u65f6\uff0c\u53ef\u4ee5\u5c06\u9501\u7684\u7ade\u4e89\u6700\u591a\u964d\u5230\u4e00\u534a\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u4efb\u52a1\u7684\u6267\u884c\u6709\u4e24\u79cd\u53ef\u80fd\uff1a\u4e00\u79cd\u662f\u4efb\u52a1\u76f4\u63a5\u7531\u65b0\u521b\u5efa\u7684\u7ebf\u7a0b\u6267\u884c\u3002\u53e6\u4e00\u79cd\u662f\u7ebf\u7a0b\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\u7136\u540e\u6267\u884c\uff0c\u6267\u884c\u5b8c\u4efb\u52a1\u7684\u7a7a\u95f2\u7ebf\u7a0b\u4f1a\u518d\u6b21\u53bb\u4ece\u961f\u5217\u4e2d\u7533\u8bf7\u4efb\u52a1\u518d\u53bb\u6267\u884c\u3002\u7b2c\u4e00\u79cd\u60c5\u51b5\u4ec5\u51fa\u73b0\u5728\u7ebf\u7a0b\u521d\u59cb\u521b\u5efa\u7684\u65f6\u5019\uff0c\u7b2c\u4e8c\u79cd\u662f\u7ebf\u7a0b\u83b7\u53d6\u4efb\u52a1\u7edd\u5927\u591a\u6570\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n
    \u7ebf\u7a0b\u9700\u8981\u4ece\u4efb\u52a1\u7f13\u5b58\u6a21\u5757\u4e2d\u4e0d\u65ad\u5730\u53d6\u4efb\u52a1\u6267\u884c\uff0c\u5e2e\u52a9\u7ebf\u7a0b\u4ece\u963b\u585e\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\uff0c\u5b9e\u73b0\u7ebf\u7a0b\u7ba1\u7406\u6a21\u5757\u548c\u4efb\u52a1\u7ba1\u7406\u6a21\u5757\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u8fd9\u90e8\u5206\u7b56\u7565\u7531getTask\u65b9\u6cd5\u5b9e\u73b0\uff0c\u4ed6\u83b7\u53d6\u5f53\u524d\u7684\u7ebf\u7a0b\u72b6\u6001\u6570\u91cf\u7b49\u60c5\u51b5\uff0c\u5224\u65ad\u7ebf\u7a0b\u6c60\u662f\u5426\u5df2\u505c\u6b62\u8fd0\u884c\uff0c\u7ebf\u7a0b\u6570\u73b0\u9636\u6bb5\u662f\u5426\u8fc7\u591a\uff0c\u8be5\u7ebf\u7a0b\u662f\u5426\u4e3a\u53ef\u56de\u6536\u7ebf\u7a0b\u7b49\u7b49<\/p>\n\n\n\n
    \u4efb\u52a1\u62d2\u7edd\u6a21\u5757\u662f\u7ebf\u7a0b\u6c60\u7684\u4fdd\u62a4\u90e8\u5206\uff0c\u7ebf\u7a0b\u6c60\u6709\u4e00\u4e2a\u6700\u5927\u7684\u5bb9\u91cf\uff0c\u5f53\u7ebf\u7a0b\u6c60\u7684\u4efb\u52a1\u7f13\u5b58\u961f\u5217\u5df2\u6ee1\uff0c\u5e76\u4e14\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u6570\u76ee\u8fbe\u5230maximumPoolSize\u65f6\uff0c\u5c31\u9700\u8981\u62d2\u7edd\u6389\u8be5\u4efb\u52a1\uff0c\u91c7\u53d6\u4efb\u52a1\u62d2\u7edd\u7b56\u7565\uff0c\u4fdd\u62a4\u7ebf\u7a0b\u6c60\u3002<\/p>\n\n\n\n
    public interface RejectedExecutionHandler {\n    void rejectedExecution(Runnable r, ThreadPoolExecutor executor);\n}<\/code><\/pre>\n\n\n\n
    \u53ef\u4ee5\u8bf4\u81ea\u5df1\u5b9a\u5236\uff0c\u6216\u9009\u62e9\u5df2\u6709\u7684\u56db\u4e2a\u7b56\u7565<\/p>\n\n\n\n
    \n\n\n\n
    worker\u7ebf\u7a0b\u5de5\u4f5c\u7ebf\u7a0b<\/p>\n\n\n\n
    private<\/strong> final<\/strong> class<\/strong> Worker<\/strong> extends<\/strong> AbstractQueuedSynchronizer<\/strong> implements<\/strong> Runnable<\/strong>{\n    final<\/strong> Thread thread;\/\/Worker\u6301\u6709\u7684\u7ebf\u7a0b<\/em>\n    Runnable firstTask;\/\/\u521d\u59cb\u5316\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u4e3anull<\/em>\n}\n<\/code><\/pre>\n\n\n\n
    Worker\u8fd9\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u5b9e\u73b0\u4e86Runnable\u63a5\u53e3\uff0c\u5e76\u6301\u6709\u4e00\u4e2a\u7ebf\u7a0bthread\uff0c\u4e00\u4e2a\u521d\u59cb\u5316\u7684\u4efb\u52a1firstTask\u3002thread\u662f\u5728\u8c03\u7528\u6784\u9020\u65b9\u6cd5\u65f6\u901a\u8fc7ThreadFactory\u6765\u521b\u5efa\u7684\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u7528\u6765\u6267\u884c\u4efb\u52a1\uff1bfirstTask\u7528\u5b83\u6765\u4fdd\u5b58\u4f20\u5165\u7684\u7b2c\u4e00\u4e2a\u4efb\u52a1\uff0c\u8fd9\u4e2a\u4efb\u52a1\u53ef\u4ee5\u6709\u4e5f\u53ef\u4ee5\u4e3anull\u3002\u5982\u679c\u8fd9\u4e2a\u503c\u662f\u975e\u7a7a\u7684\uff0c\u90a3\u4e48\u7ebf\u7a0b\u5c31\u4f1a\u5728\u542f\u52a8\u521d\u671f\u7acb\u5373\u6267\u884c\u8fd9\u4e2a\u4efb\u52a1\uff0c\u4e5f\u5c31\u5bf9\u5e94\u6838\u5fc3\u7ebf\u7a0b\u521b\u5efa\u65f6\u7684\u60c5\u51b5\uff1b\u5982\u679c\u8fd9\u4e2a\u503c\u662fnull\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u6267\u884c\u4efb\u52a1\u5217\u8868\uff08workQueue\uff09\u4e2d\u7684\u4efb\u52a1\uff0c\u4e5f\u5c31\u662f\u975e\u6838\u5fc3\u7ebf\u7a0b\u7684\u521b\u5efa<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \u7ebf\u7a0b\u6c60\u4f7f\u7528\u4e00\u5f20Hash\u8868<\/strong>\u53bb\u6301\u6709\u7ebf\u7a0b\u7684\u5f15\u7528\uff0c\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5f15\u7528\u3001\u79fb\u9664\u5f15\u7528\u8fd9\u6837\u7684\u64cd\u4f5c\u6765\u63a7\u5236\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\uff1b\u200bWorker\u662f\u901a\u8fc7\u7ee7\u627fAQS\uff0c\u4f7f\u7528AQS\u6765\u5b9e\u73b0\u72ec\u5360\u9501\u8fd9\u4e2a\u529f\u80fd\u3002\u6ca1\u6709\u4f7f\u7528\u53ef\u91cd\u5165\u9501ReentrantLock<\/strong>\uff0c\u800c\u662f\u4f7f\u7528AQS\uff0c\u4e3a\u7684\u5c31\u662f\u5b9e\u73b0\u4e0d\u53ef\u91cd\u5165\u7684\u7279\u6027\u53bb\u53cd\u5e94\u7ebf\u7a0b\u73b0\u5728\u7684\u6267\u884c\u72b6\u6001<\/em>\uff0c\u53cd\u5e94\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f<\/p>\n\n\n\n
      \n
    • 1.lock\u65b9\u6cd5\u4e00\u65e6\u83b7\u53d6\u4e86\u72ec\u5360\u9501\uff0c\u8868\u793a\u5f53\u524d\u7ebf\u7a0b\u6b63\u5728\u6267\u884c\u4efb\u52a1\u4e2d\u3002 <\/li>\n\n\n\n
    • 2.\u5982\u679c\u6b63\u5728\u6267\u884c\u4efb\u52a1\uff0c\u5219\u4e0d\u5e94\u8be5\u4e2d\u65ad\u7ebf\u7a0b\u3002 <\/li>\n\n\n\n
    • 3.\u5982\u679c\u8be5\u7ebf\u7a0b\u73b0\u5728\u4e0d\u662f\u72ec\u5360\u9501\u7684\u72b6\u6001\uff0c\u4e5f\u5c31\u662f\u7a7a\u95f2\u7684\u72b6\u6001\uff0c\u8bf4\u660e\u5b83\u6ca1\u6709\u5728\u5904\u7406\u4efb\u52a1\uff0c\u8fd9\u65f6\u53ef\u4ee5\u5bf9\u8be5\u7ebf\u7a0b\u8fdb\u884c\u4e2d\u65ad\u3002 <\/li>\n\n\n\n
    • 4.\u7ebf\u7a0b\u6c60\u5728\u6267\u884cshutdown\u65b9\u6cd5\u6216tryTerminate\u65b9\u6cd5\u65f6\u4f1a\u8c03\u7528interruptIdleWorkers\u65b9\u6cd5\u6765\u4e2d\u65ad\u7a7a\u95f2\u7684\u7ebf\u7a0b\uff0cinterruptIdleWorkers\u65b9\u6cd5\u4f1a\u4f7f\u7528tryLock\u65b9\u6cd5\u6765\u5224\u65ad\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u662f\u5426\u662f\u7a7a\u95f2\u72b6\u6001\uff1b\u5982\u679c\u7ebf\u7a0b\u662f\u7a7a\u95f2\u72b6\u6001\u5219\u53ef\u4ee5\u5b89\u5168\u56de\u6536\u3002<\/li>\n<\/ul>\n\n\n\n
      \u56de\u6536\u7ebf\u7a0b\u5c31\u662f\u5fd9\u788c\u7684\u7ebf\u7a0bRunning\uff1a<\/strong>\u00a0\u6b63\u5728\u5e72\u6d3b\uff0c\u628a\u95e8\u53cd\u9501<\/strong>\u4e86\u3002\u7ebf\u7a0b\u56de\u6536\u8bf7\u6c42\u83b7\u53d6\u9501\u5931\u8d25\uff0c\u5c31\u77e5\u9053\u6709\u4eba\u5fd9\uff0c\u4e0d\u6253\u6270\uff0c\u8df3\u8fc7<\/strong>\u3002<\/p>\n\n\n\n
      \u7a7a\u95f2\u7684\u7ebf\u7a0bIdle\uff1a<\/strong>\u00a0\u6ca1\u5e72\u6d3b\uff0c\u6ca1\u9501<\/strong>\u3002\u83b7\u53d6\u9501\u6210\u529f\uff0c\u4e8e\u662f\u8fdb\u53bb\u628a\u5173\u95ed\u56de\u6536\u7ebf\u7a0b<\/p>\n\n\n\n
      \n\n\n\n
      \u589e\u52a0\u7ebf\u7a0b\u662f\u901a\u8fc7\u7ebf\u7a0b\u6c60\u4e2d\u7684addWorker\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7684\u529f\u80fd\u5c31\u662f\u589e\u52a0\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u8be5\u65b9\u6cd5\u4e0d\u8003\u8651\u7ebf\u7a0b\u6c60\u662f\u5728\u54ea\u4e2a\u9636\u6bb5\u589e\u52a0\u7684\u8be5\u7ebf\u7a0b\uff0c\u8fd9\u4e2a\u5206\u914d\u7ebf\u7a0b\u7684\u7b56\u7565\u662f\u5728\u4e0a\u4e2a\u6b65\u9aa4\u5b8c\u6210\u7684\uff0c\u8be5\u6b65\u9aa4\u4ec5\u4ec5\u5b8c\u6210\u589e\u52a0\u7ebf\u7a0b<\/strong>\uff0c\u8fd0\u884c\u8fd4\u56de\u662f\u5426\u6210\u529f\u8fd9\u4e2a\u7ed3\u679c\u3002addWorker\u65b9\u6cd5\u6709\u4e24\u4e2a\u53c2\u6570\uff1afirstTask\u3001core\u3002firstTask\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u65b0\u589e\u7684\u7ebf\u7a0b\u6267\u884c\u7684\u7b2c\u4e00\u4e2a\u4efb\u52a1\uff0c\u8be5\u53c2\u6570\u53ef\u4ee5\u4e3a\u7a7a\uff1bcore\u53c2\u6570\u4e3atrue\u8868\u793a\u5728\u65b0\u589e\u7ebf\u7a0b\u65f6\u4f1a\u5224\u65ad\u5f53\u524d\u6d3b\u52a8\u7ebf\u7a0b\u6570\u662f\u5426\u5c11\u4e8ecorePoolSize\uff0cfalse\u8868\u793a\u65b0\u589e\u7ebf\u7a0b\u524d\u9700\u8981\u5224\u65ad\u5f53\u524d\u6d3b\u52a8\u7ebf\u7a0b\u6570\u662f\u5426\u5c11\u4e8emaximumPoolSize<\/p>\n\n\n\n
      \u6709\u4e00\u4e2a\u6bd4\u8f83\u590d\u6742\u7684\u6d41\u7a0b\u56fe\u7247\u5c31\u4e0d\u653e\u4e86<\/p>\n\n\n\n
      \n\n\n\n
      Worker\u7ebf\u7a0b\u56de\u6536<\/strong>\u4f9d\u8d56jvm\u81ea\u52a8\u56de\u6536\uff0c\u7ebf\u7a0b\u6c60\u505a\u7684\u5de5\u4f5c\u662f\u6839\u636e\u5f53\u524d\u7ebf\u7a0b\u6c60\u7684\u72b6\u6001\u7ef4\u62a4\u4e00\u5b9a\u6570\u91cf\u7684\u7ebf\u7a0b\u5f15\u7528\uff0c\u9632\u6b62\u8fd9\u90e8\u5206\u7ebf\u7a0b\u88abJVM\u56de\u6536\uff0c\u5f53\u7ebf\u7a0b\u6c60\u51b3\u5b9a\u54ea\u4e9b\u7ebf\u7a0b\u9700\u8981\u56de\u6536\u65f6\uff0c\u53ea\u9700\u8981\u5c06\u5176\u5f15\u7528\u6d88\u9664\uff1bworker\u521b\u5efa\u540e\u4e0d\u65ad\u8f6e\u8be2\u8981\u6765\u4efb\u52a1\u6267\u884c\uff0c\u6ca1\u6709\u83b7\u5f97\u4efb\u52a1\u540e\u5c31worker\u5c31\u81ea\u52a8\u5316\u6d88\u9664\u7ebf\u7a0b\u6c60\u5f15\u7528<\/p>\n\n\n\n
      \u6838\u5fc3\u7ebf\u7a0b\u53ef\u4ee5\u65e0\u9650\u7b49\u5f85\u83b7\u53d6\u4efb\u52a1\uff0c\u975e\u6838\u5fc3\u7ebf\u7a0b\u8981\u9650\u65f6\u83b7\u53d6\u4efb\u52a1<\/strong>\uff0c\u8fd9\u53e5\u8bdd\u4ec0\u4e48\u610f\u601d\uff1f<\/p>\n\n\n\n
      \u5728 Java \u4e2d\uff0c\u4e00\u4e2a\u7ebf\u7a0b\uff08Thread\u5bf9\u8c61\uff09\u53ea\u8981\u5b83\u7684\u00a0run()\u00a0\u65b9\u6cd5\u8fd8\u6ca1\u6709\u6267\u884c\u7ed3\u675f\uff0c\u5b83\u5c31\u662f\u201c\u6d3b\u7740\u201d\u7684\uff0cJVM \u751a\u81f3 GC\u90fd\u4e0d\u4f1a\u53bb\u56de\u6536\u5b83\u3002\u7ebf\u7a0b\u6c60\u5185\u90e8\u6709\u4e00\u4e2a\u96c6\u5408\uff08\u901a\u5e38\u662f\u00a0HashSet<Worker> workers\uff09\uff0c\u7528\u6765\u5b58\u653e\u6240\u6709\u7684\u5de5\u4f5c\u7ebf\u7a0b\u5bf9\u8c61\uff08Worker\uff09\u3002\u53ea\u8981 Worker \u91cc\u7684\u00a0run()\u00a0\u65b9\u6cd5\u4e00\u76f4\u5728\u5faa\u73af\u8fd0\u884c\uff08\u6b7b\u5faa\u73af\uff09\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u5c31\u4e0d\u4f1a\u7ed3\u675f\uff0cJVM \u5c31\u65e0\u6cd5\u56de\u6536\u5b83\u3002\u8fd9\u5c31\u662f\u7ebf\u7a0b\u201c\u590d\u7528\u201d\u7684\u57fa\u7840\u3002\u6838\u5fc3\u7ebf\u7a0b\u8c03\u7528\u961f\u5217\u7684\u00a0take()\u00a0\u65b9\u6cd5\u3002\u5982\u679c\u961f\u5217\u4e3a\u7a7a\uff0c\u5b83\u4f1a\u4e00\u76f4\u963b\u585e\u6302\u5728\u8fd9\u91cc\uff0c\u4e0d\u4f1a\u8fd4\u56de\u00a0null\uff0c\u4e5f\u4e0d\u4f1a\u9000\u51fa\u5faa\u73af\u3002\u7ebf\u7a0b\u56e0\u6b64\u4e00\u76f4\u5b58\u6d3b\u3002\u975e\u6838\u5fc3\u7ebf\u7a0b\u8c03\u7528\u961f\u5217\u7684\u00a0poll(keepAliveTime)\u00a0\u65b9\u6cd5\u3002\u5982\u679c\u961f\u5217\u4e3a\u7a7a\uff0c\u5b83\u53ea\u7b49\u4e00\u6bb5\u65f6\u95f4\u3002\u5982\u679c\u8d85\u65f6\u8fd8\u6ca1\u62ff\u5230\u4efb\u52a1\uff0c\u65b9\u6cd5\u8fd4\u56de\u00a0null\u3002\u5faa\u73af\u7ed3\u675f\u540e\uff0c\u4ee3\u7801\u4f1a\u6267\u884c\u00a0processWorkerExit()\u00a0\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5c06\u5f53\u524d\u8fd9\u4e2a Worker \u5bf9\u8c61\u4ece\u7ebf\u7a0b\u6c60\u7684\u00a0HashSet\u00a0\u96c6\u5408\u4e2d\u79fb\u6389\uff1b\u4e0b\u4e00\u6b21 GC\u65f6\uff0cJVM \u5c31\u4f1a\u628a\u8fd9\u4e2a\u5bf9\u8c61\u5360\u7528\u7684\u5185\u5b58\u56de\u6536\u6389\u3002<\/p>\n\n\n\n
      \u6211\u95ee\u4e86\u95eeai\u5927\u81f4\u56de\u7b54\u5982\u4e0b<\/p>\n\n\n\n
      1. \u8bef\u533a\u4e00\uff1a\u201c\u7a0b\u5e8f\u542f\u52a8...\u5c31\u4f1a\u9ed8\u8ba4\u6709\u6838\u5fc3\u7ebf\u7a0b\u4e00\u76f4\u5728\uff1f\u201d<\/h3>\n\n\n\n
        \n
      • \u4f60\u7684\u7406\u89e3<\/strong>\uff1a\u7a0b\u5e8f\u4e00\u542f\u52a8\uff0c\u6838\u5fc3\u7ebf\u7a0b\uff08\u5047\u8bbe\u914d\u7f6e\u4e865\u4e2a\uff09\u5c31\u7acb\u523b\u521b\u5efa\u597d\u5750\u5728\u90a3\u91cc\u7b49\u4efb\u52a1\u3002<\/li>\n\n\n\n
      • \u5b9e\u9645\u60c5\u51b5<\/strong>\uff1a\u9ed8\u8ba4\u4e3a\u201c\u61d2\u52a0\u8f7d\u201d (Lazy Loading)<\/strong>\u3002\n
          \n
        • \u5728\u6807\u51c6\u7684 JDK\u00a0ThreadPoolExecutor\u00a0\u4e2d\uff0c\u7ebf\u7a0b\u6c60\u521a\u521b\u5efa\u65f6\uff0c\u91cc\u9762\u662f\u7a7a\u7684<\/strong>\uff080\u4e2a\u7ebf\u7a0b\uff09\u3002<\/li>\n\n\n\n
        • \u53ea\u6709\u5f53\u4f60\u8c03\u7528\u00a0execute()\u00a0\u6216\u00a0submit()\u00a0\u63d0\u4ea4\u7b2c\u4e00\u4e2a\u4efb\u52a1\u65f6\uff0c\u7ebf\u7a0b\u6c60\u624d\u4f1a\u521b\u5efa\u4e00\u4e2a\u6838\u5fc3\u7ebf\u7a0b\u3002<\/li>\n\n\n\n
        • \u63d0\u4ea4\u7b2c\u4e8c\u4e2a\u4efb\u52a1\uff0c\u521b\u5efa\u7b2c\u4e8c\u4e2a...\u76f4\u5230\u8fbe\u5230\u6838\u5fc3\u7ebf\u7a0b\u6570\uff08CorePoolSize\uff09\u3002<\/li>\n\n\n\n
        • \u6ce8\uff1a\u9664\u975e\u4f60\u4e13\u95e8\u8c03\u7528\u4e86\u00a0prestartAllCoreThreads()\u00a0\u65b9\u6cd5\uff0c\u624d\u4f1a\u4e00\u542f\u52a8\u5c31\u9884\u70ed\u597d\u6240\u6709\u6838\u5fc3\u7ebf\u7a0b\u3002<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
          2. \u8bef\u533a\u4e8c\uff1a\u201c\u670d\u52a1\u91cf\u589e\u52a0\u5c31\u81ea\u52a8\u52a0\u975e\u6838\u5fc3\u7ebf\u7a0b\uff1f\u201d (\u6700\u5bb9\u6613\u8e29\u7684\u5751)<\/h3>\n\n\n\n
            \n
          • \u4f60\u7684\u7406\u89e3<\/strong>\uff1a\u6838\u5fc3\u7ebf\u7a0b\u5fd9\u4e0d\u8fc7\u6765\u4e86 -> \u9a6c\u4e0a\u521b\u5efa\u975e\u6838\u5fc3\u7ebf\u7a0b\u5e2e\u5fd9\u3002<\/li>\n\n\n\n
          • \u5b9e\u9645\u60c5\u51b5<\/strong>\uff1a\u5148\u6392\u961f\uff0c\u961f\u6ee1\u624d\u52a0\u4eba<\/strong>\u3002\n
              \n
            • Java \u7ebf\u7a0b\u6c60\u7684\u9ed8\u8ba4\u903b\u8f91\u662f\uff1a\n
                \n
              1. \u6838\u5fc3\u7ebf\u7a0b\u6ee1\u4e86\uff1f ->\u00a0\u628a\u65b0\u4efb\u52a1\u6254\u5230\u963b\u585e\u961f\u5217\uff08WorkQueue\uff09\u91cc\u6392\u961f<\/strong>\u3002<\/li>\n\n\n\n
              2. \u961f\u5217\u4e5f\u6ee1\u4e86\uff08\u88c5\u4e0d\u4e0b\u4e86\uff09\uff1f ->\u00a0\u8fd9\u65f6\u5019\u624d\u4f1a\u521b\u5efa\u975e\u6838\u5fc3\u7ebf\u7a0b<\/strong>\u6765\u6551\u6025\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n
              3. \u540e\u679c<\/strong>\uff1a\u5982\u679c\u4f60\u914d\u7f6e\u4e86\u4e00\u4e2a\u65e0\u754c\u961f\u5217\uff08\u6bd4\u5982\u00a0LinkedBlockingQueue\uff09\uff0c\u975e\u6838\u5fc3\u7ebf\u7a0b\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u521b\u5efa<\/strong>\uff0c\u56e0\u4e3a\u961f\u5217\u6c38\u8fdc\u88c5\u4e0d\u6ee1\u3002\u54ea\u6015\u6709100\u4e07\u4e2a\u4efb\u52a1\u5728\u6392\u961f\uff0c\u4e5f\u53ea\u6709\u6838\u5fc3\u7ebf\u7a0b\u5728\u6162\u6162\u5e72\u6d3b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
                3. \u8bef\u533a\u4e09\uff1a\u201c\u5b8c\u5168\u6ca1\u4eba\uff0c\u5c31\u53ea\u4fdd\u7559\u6838\u5fc3\u7ebf\u7a0b\u7a7a\u8f6c\u6b7b\u5faa\u73af\uff1f\u201d<\/h3>\n\n\n\n
                  \n
                • \u4f60\u7684\u7406\u89e3<\/strong>\uff1a\u6838\u5fc3\u7ebf\u7a0b\u6ca1\u4e8b\u5e72\u65f6\uff0c\u5728\u641e\u201c\u6b7b\u5faa\u73af\u201d\uff08Spinning\uff09\uff0cCPU \u72c2\u8f6c\u3002<\/li>\n\n\n\n
                • \u5b9e\u9645\u60c5\u51b5<\/strong>\uff1a\u662f\u201c\u963b\u585e\u201d (Blocking)\uff0c\u4e0d\u662f\u201c\u7a7a\u8f6c\u201d<\/strong>\u3002\n
                    \n
                  • \u4ee3\u7801\u5c42\u9762<\/strong>\uff1a\u786e\u5b9e\u662f\u4e00\u4e2a\u00a0while\u00a0\u5faa\u73af\u3002<\/li>\n\n\n\n
                  • \u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762<\/strong>\uff1a\u5f53\u8c03\u7528\u00a0workQueue.take()\u00a0\u53d1\u73b0\u961f\u5217\u6ca1\u4efb\u52a1\u65f6\uff0c\u7ebf\u7a0b\u4f1a\u8fdb\u5165\u00a0WAITING\u00a0\u72b6\u6001\u3002<\/li>\n\n\n\n
                  • \u5f62\u8c61\u89e3\u91ca<\/strong>\uff1a\u7ebf\u7a0b\u6b64\u65f6\u88ab\u64cd\u4f5c\u7cfb\u7edf\u201c\u6302\u8d77\u201d\u4e86\uff08\u5c31\u50cf\u7761\u7740\u4e86\u4e00\u6837\uff09\u3002\u5b83\u4e0d\u5360\u7528\u4efb\u4f55 CPU \u65f6\u95f4\u7247<\/strong>\uff0cCPU \u4f7f\u7528\u7387\u662f 0%\u3002<\/li>\n\n\n\n
                  • \u76f4\u5230\u6709\u65b0\u4efb\u52a1\u8fdb\u961f\uff0c\u64cd\u4f5c\u7cfb\u7edf\u624d\u4f1a\u628a\u5b83\u201c\u53eb\u9192\u201d\uff08Notify\uff09\u3002<\/li>\n\n\n\n
                  • \u6240\u4ee5\uff0c\u6838\u5fc3\u7ebf\u7a0b\u6ca1\u4e8b\u5e72\u65f6\uff0c\u5360\u7528\u7684\u53ea\u662f\u5185\u5b58\u8d44\u6e90\uff0c\u4e0d\u5360\u7528 CPU \u7b97\u529b<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
                    \u7ebf\u7a0b\u56de\u6536\u7684\u5de5\u4f5c\u662f\u5728processWorkerExit\u65b9\u6cd5\u5b8c\u6210\u7684\u3002<\/p>\n\n\n\n
                    \"\u56fe10<\/figure>\n\n\n\n
                    \u4e8b\u5b9e\u4e0a\uff0c\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u5c06\u7ebf\u7a0b\u5f15\u7528\u79fb\u51fa\u7ebf\u7a0b\u6c60\u5c31\u5df2\u7ecf\u7ed3\u675f\u4e86\u7ebf\u7a0b\u9500\u6bc1\u7684\u90e8\u5206\u3002\u4f46\u7531\u4e8e\u5f15\u8d77\u7ebf\u7a0b\u9500\u6bc1\u7684\u53ef\u80fd\u6027\u6709\u5f88\u591a\uff0c\u7ebf\u7a0b\u6c60\u8fd8\u8981\u5224\u65ad\u662f\u4ec0\u4e48\u5f15\u53d1\u4e86\u8fd9\u6b21\u9500\u6bc1\uff0c\u662f\u5426\u8981\u6539\u53d8\u7ebf\u7a0b\u6c60\u7684\u73b0\u9636\u6bb5\u72b6\u6001\uff0c\u662f\u5426\u8981\u6839\u636e\u65b0\u72b6\u6001\uff0c\u91cd\u65b0\u5206\u914d\u7ebf\u7a0b\u3002<\/p>\n\n\n\n
                    \n\n\n\n
                    \u5728Worker\u7c7b\u4e2d\u7684run\u65b9\u6cd5\u8c03\u7528\u4e86runWorker\u65b9\u6cd5\u6765\u6267\u884c\u4efb\u52a1\uff0crunWorker\u65b9\u6cd5\u7684\u6267\u884c\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                    1.while\u5faa\u73af\u4e0d\u65ad\u5730\u901a\u8fc7getTask()\u65b9\u6cd5\u83b7\u53d6\u4efb\u52a1\u3002 <\/p>\n\n\n\n
                    2.getTask()\u65b9\u6cd5\u4ece\u963b\u585e\u961f\u5217\u4e2d\u53d6\u4efb\u52a1\u3002\u7533\u8bf7worker\u975e\u91cd\u5165\u9501<\/p>\n\n\n\n
                     3.\u5982\u679c\u7ebf\u7a0b\u6c60\u6b63\u5728\u505c\u6b62\uff0c\u90a3\u4e48\u8981\u4fdd\u8bc1\u5f53\u524d\u7ebf\u7a0b\u662f\u4e2d\u65ad\u72b6\u6001\uff0c\u5426\u5219\u8981\u4fdd\u8bc1\u5f53\u524d\u7ebf\u7a0b\u4e0d\u662f\u4e2d\u65ad\u72b6\u6001\u3002<\/p>\n\n\n\n
                     4.\u6267\u884c\u4efb\u52a1\u3002\u91ca\u653eworker\u975e\u91cd\u5165\u9501\uff0c\u4efb\u52a1\u7ed3\u675f<\/p>\n\n\n\n
                     5.\u5982\u679cgetTask\u7ed3\u679c\u4e3anull\u5219\u8df3\u51fa\u5faa\u73af\uff0c\u6267\u884cprocessWorkerExit()\u65b9\u6cd5\uff0c\u9500\u6bc1\u7ebf\u7a0b\u3002<\/p>\n\n\n\n
                    <\/p>\n\n\n\n
                    \u7ebf\u7a0b\u6c60\u5728\u4e1a\u52a1\u4e2d\u7684\u5b9e\u8df5<\/h2>\n\n\n\n
                    1.\u5feb\u901f\u54cd\u5e94\u4e1a\u52a1\u8bf7\u6c42\uff0c\u4e3a\u4e86\u5feb\u901f\u51cf\u5c11\u54cd\u5e94\u65f6\u95f4\uff0c\u4f9d\u6b21\u8c03\u9ad8corePoolSize\u548cmaxPoolSize\u53bb\u5c3d\u53ef\u80fd\u521b\u9020\u591a\u7684\u7ebf\u7a0b\u5feb\u901f\u6267\u884c\u4efb\u52a1\uff0c\u4e0d\u8981\u7f13\u5b58\u5e8f\u5217\uff0c\u56e0\u4e3a\u5f53\u4ee3\u4eba\u8010\u5fc3\u662f\u6709\u9650\u7684<\/p>\n\n\n\n
                    2.\u5feb\u901f\u5904\u7406\u6279\u91cf\u4efb\u52a1\uff0c\u7edf\u8ba1\u67d0\u4e2a\u62a5\u8868\uff0c\u9700\u8981\u8ba1\u7b97\u51fa\u5168\u56fd\u5404\u4e2a\u95e8\u5e97\u4e2d\u6709\u54ea\u4e9b\u5546\u54c1\u6709\u67d0\u79cd\u5c5e\u6027\uff0c\u4f7f\u7528\u591a\u7ebf\u7a0b\u7b56\u7565\uff0c\u5e76\u884c\u8ba1\u7b97\u4f46\u662f\u4e0d\u9700\u8981\u5f88\u9ad8\u7684\u53ca\u65f6\u6027\uff0c\u5e94\u8be5\u5173\u6ce8\u5982\u4f55\u4f7f\u7528\u6709\u9650\u7684\u8d44\u6e90\uff0c\u5c3d\u53ef\u80fd\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u5904\u7406\u66f4\u591a\u7684\u4efb\u52a1\uff0c\u4e5f\u5c31\u662f\u541e\u5410\u91cf\u4f18\u5148\u7684\u95ee\u9898\u3002\u6240\u4ee5\u5e94\u8be5\u8bbe\u7f6e\u961f\u5217\u53bb\u7f13\u51b2\u5e76\u53d1\u4efb\u52a1\uff0c\u8c03\u6574\u5408\u9002\u7684corePoolSize\u53bb\u8bbe\u7f6e\u5904\u7406\u4efb\u52a1\u7684\u7ebf\u7a0b\u6570\u3002\u5728\u8fd9\u91cc\uff0c\u8bbe\u7f6e\u7684\u7ebf\u7a0b\u6570\u8fc7\u591a\u53ef\u80fd\u8fd8\u4f1a\u5f15\u53d1\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u9891\u7e41\u7684\u95ee\u9898\uff0c\u4e5f\u4f1a\u964d\u4f4e\u5904\u7406\u4efb\u52a1\u7684\u901f\u5ea6\uff0c\u964d\u4f4e\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n
                    \u7ebf\u7a0b\u6c60\u4f7f\u7528\u9762\u4e34\u7684\u6838\u5fc3\u7684\u95ee\u9898\u5728\u4e8e\uff1a\u7ebf\u7a0b\u6c60\u7684\u53c2\u6570\u5e76\u4e0d\u597d\u914d\u7f6e<\/strong>\uff0c\u6709\u70b9\u7c7b\u4f3c\u4e0e\u51ed\u611f\u89c9\u4e0e\u7ecf\u9a8c\uff0c\u6ca1\u6709\u6210\u719f\u89c4\u5219\uff1b\u4f5c\u8005\u63d0\u51fa\u5ef6\u5c55\u51e0\u4e2a\u65b9\u5411\uff1a<\/p>\n\n\n\n
                    1.\u4e0d\u7528\u7ebf\u7a0b\u6c60<\/strong>\uff1f\u5bf9\u4e8eActor\u6846\u67b6\uff0c\u534f\u7a0b\u6846\u67b6\uff0cDisruptor\u6846\u67b6\u7b49\u6765\u83b7\u5f97\u90fd\u4e0d\u6210\u719f\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u7ebf\u7a0b\u6c60<\/p>\n\n\n\n
                    2.\u53c2\u6570\u8bbe\u7f6e\u89c4\u5f8b\u603b\u7ed3<\/strong>\uff1f\u4f5c\u8005\u8bf4\uff1a\u6211\u4eec\u5e76\u6ca1\u6709\u5f97\u51fa\u901a\u7528\u7684\u7ebf\u7a0b\u6c60\u8ba1\u7b97\u65b9\u5f0f\u3002\u5e76\u53d1\u4efb\u52a1\u7684\u6267\u884c\u60c5\u51b5\u548c\u4efb\u52a1\u7c7b\u578b\u76f8\u5173\uff0cIO\u5bc6\u96c6\u578b\u548cCPU\u5bc6\u96c6\u578b\u7684\u4efb\u52a1\u8fd0\u884c\u8d77\u6765\u7684\u60c5\u51b5\u5dee\u5f02\u975e\u5e38\u5927\uff0c\u4f46\u8fd9\u79cd\u5360\u6bd4\u662f\u8f83\u96be\u5408\u7406\u9884\u4f30\u7684\uff0c\u8fd9\u5bfc\u81f4\u5f88\u96be\u6709\u4e00\u4e2a\u7b80\u5355\u6709\u6548\u7684\u901a\u7528\u516c\u5f0f\u5e2e\u6211\u4eec\u76f4\u63a5\u8ba1\u7b97\u51fa\u7ed3\u679c\u3002<\/em><\/p>\n\n\n\n
                    3.\u7ebf\u7a0b\u6c60\u53c2\u6570\u52a8\u6001\u5316\uff1f<\/strong>\u5c06\u7ebf\u7a0b\u6c60\u7684\u53c2\u6570\u4ece\u4ee3\u7801\u4e2d\u8fc1\u79fb\u5230\u5206\u5e03\u5f0f\u914d\u7f6e\u4e2d\u5fc3\u4e0a\uff0c\u5b9e\u73b0\u7ebf\u7a0b\u6c60\u53c2\u6570\u53ef\u52a8\u6001\u914d\u7f6e\u548c\u5373\u65f6\u751f\u6548\uff0c\u7ebf\u7a0b\u6c60\u53c2\u6570\u52a8\u6001\u5316\u524d\u540e\u7684\u53c2\u6570\u4fee\u6539\u6d41\u7a0b\u5bf9\u6bd4\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                    \"\"<\/figure>\n\n\n\n
                    \u8fd9\u4e5f\u662f\u672c\u9879\u76ee\u52a8\u6001\u7ebf\u7a0b\u6c60\u7684\u6765\u6e90\uff0c\u8bf4\u660e\u5927\u90e8\u5206\u5927\u5382\u90fd\u7ed3\u5408\u81ea\u8eab\u5b9e\u9645\u5bf9\u73b0\u6709\u7684\u4e1c\u897f\u90fd\u8fdb\u884c\u4e86\u4e00\u5b9a\u7a0b\u5ea6\u7684\u9b54\u6539\u6765\u4f7f\u7528<\/p>\n\n\n\n
                    \u52a8\u6001\u5316\u7ebf\u7a0b\u6c60<\/h2>\n\n\n\n
                    \u7ebf\u7a0b\u6c60\u4e3b\u8981\u662f\u4e09\u4e2a\u53c2\u6570corePoolSize\u3001maximumPoolSize\uff0cworkQueue\uff0c\u5b83\u4eec\u6700\u5927\u7a0b\u5ea6\u5730\u51b3\u5b9a\u4e86\u7ebf\u7a0b\u6c60\u7684\u4efb\u52a1\u5206\u914d\u548c\u7ebf\u7a0b\u5206\u914d\u7b56\u7565\u3002\u4f9d\u65e7\u662f\u4e0a\u9762\u4e24\u4e2a\u8fd0\u7528\u573a\u666f\uff0c1\u5e76\u884c\u6267\u884c\u8981\u6c42\u5feb\u901f\u53cd\u5e942\u5e76\u884c\u6267\u884c\u5927\u6279\u91cf\u4efb\u52a1<\/p>\n\n\n\n
                      \n
                    1. \u4e3a\u4e86\u89e3\u51b3\u53c2\u6570\u4e0d\u597d\u914d\uff0c\u4fee\u6539\u53c2\u6570\u6210\u672c\u9ad8\u7b49\u95ee\u9898\u3002\u5728Java\u7ebf\u7a0b\u6c60\u7559\u6709\u9ad8\u6269\u5c55\u6027\u7684\u57fa\u7840\u4e0a\uff0c\u5c01\u88c5\u7ebf\u7a0b\u6c60\uff0c\u5141\u8bb8\u7ebf\u7a0b\u6c60\u76d1\u542c\u540c\u6b65\u5916\u90e8\u7684\u6d88\u606f\uff0c\u6839\u636e\u6d88\u606f\u8fdb\u884c\u4fee\u6539\u914d\u7f6e\u3002\u5c06\u7ebf\u7a0b\u6c60\u7684\u914d\u7f6e\u653e\u7f6e\u5728\u5e73\u53f0\u4fa7\uff0c\u5141\u8bb8\u5f00\u53d1\u540c\u5b66\u7b80\u5355\u7684\u67e5\u770b\u3001\u4fee\u6539\u7ebf\u7a0b\u6c60\u914d\u7f6e\u3002<\/li>\n\n\n\n
                    2. \u589e\u52a0\u7ebf\u7a0b\u6c60\u76d1\u63a7\uff1a\u5bf9\u67d0\u4e8b\u7269\u7f3a\u4e4f\u72b6\u6001\u7684\u89c2\u6d4b\uff0c\u5c31\u5bf9\u5176\u6539\u8fdb\u65e0\u4ece\u4e0b\u624b\u3002\u5728\u7ebf\u7a0b\u6c60\u6267\u884c\u4efb\u52a1\u7684\u751f\u547d\u5468\u671f\u6dfb\u52a0\u76d1\u63a7\u80fd\u529b\uff0c\u5e2e\u52a9\u5f00\u53d1\u540c\u5b66\u4e86\u89e3\u7ebf\u7a0b\u6c60\u72b6\u6001\u3002<\/li>\n<\/ol>\n\n\n\n
                      \"\"<\/figure>\n\n\n\n
                      \u52a8\u6001\u5316\u7ebf\u7a0b\u6c60\u63d0\u4f9b\u5982\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n
                      \u52a8\u6001\u8c03\u53c2<\/strong>\uff1a\u652f\u6301\u7ebf\u7a0b\u6c60\u53c2\u6570\u52a8\u6001\u8c03\u6574\u3001\u754c\u9762\u5316\u64cd\u4f5c\uff1b\u5305\u62ec\u4fee\u6539\u7ebf\u7a0b\u6c60\u6838\u5fc3\u5927\u5c0f\u3001\u6700\u5927\u6838\u5fc3\u5927\u5c0f\u3001\u961f\u5217\u957f\u5ea6\u7b49\uff1b\u53c2\u6570\u4fee\u6539\u540e\u53ca\u65f6\u751f\u6548\u3002 \u4efb\u52a1\u76d1\u63a7<\/strong>\uff1a\u652f\u6301\u5e94\u7528\u7c92\u5ea6\u3001\u7ebf\u7a0b\u6c60\u7c92\u5ea6\u3001\u4efb\u52a1\u7c92\u5ea6\u7684Transaction\u76d1\u63a7\uff1b\u53ef\u4ee5\u770b\u5230\u7ebf\u7a0b\u6c60\u7684\u4efb\u52a1\u6267\u884c\u60c5\u51b5\u3001\u6700\u5927\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u3001\u5e73\u5747\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u300195\/99\u7ebf\u7b49\u3002 \u8d1f\u8f7d\u544a\u8b66<\/strong>\uff1a\u7ebf\u7a0b\u6c60\u961f\u5217\u4efb\u52a1\u79ef\u538b\u5230\u4e00\u5b9a\u503c\u7684\u65f6\u5019\u4f1a\u901a\u8fc7\u5927\u8c61\uff08\u7f8e\u56e2\u5185\u90e8\u901a\u8baf\u5de5\u5177\uff09\u544a\u77e5\u5e94\u7528\u5f00\u53d1\u8d1f\u8d23\u4eba\uff1b\u5f53\u7ebf\u7a0b\u6c60\u8d1f\u8f7d\u6570\u8fbe\u5230\u4e00\u5b9a\u9608\u503c\u7684\u65f6\u5019\u4f1a\u901a\u8fc7\u5927\u8c61\u544a\u77e5\u5e94\u7528\u5f00\u53d1\u8d1f\u8d23\u4eba\u3002 \u64cd\u4f5c\u76d1\u63a7<\/strong>\uff1a\u521b\u5efa\/\u4fee\u6539\u548c\u5220\u9664\u7ebf\u7a0b\u6c60\u90fd\u4f1a\u901a\u77e5\u5230\u5e94\u7528\u7684\u5f00\u53d1\u8d1f\u8d23\u4eba\u3002 \u64cd\u4f5c\u65e5\u5fd7<\/strong>\uff1a\u53ef\u4ee5\u67e5\u770b\u7ebf\u7a0b\u6c60\u53c2\u6570\u7684\u4fee\u6539\u8bb0\u5f55\uff0c\u8c01\u5728\u4ec0\u4e48\u65f6\u5019\u4fee\u6539\u4e86\u7ebf\u7a0b\u6c60\u53c2\u6570\u3001\u4fee\u6539\u524d\u7684\u53c2\u6570\u503c\u662f\u4ec0\u4e48\u3002 \u6743\u9650\u6821\u9a8c<\/strong>\uff1a\u53ea\u6709\u5e94\u7528\u5f00\u53d1\u8d1f\u8d23\u4eba\u624d\u80fd\u591f\u4fee\u6539\u5e94\u7528\u7684\u7ebf\u7a0b\u6c60\u53c2\u6570\u3002<\/p>\n\n\n\n
                      \"\u56fe18<\/figure>\n\n\n\n
                      \u53c2\u6570\u52a8\u6001\u5316<\/strong><\/p>\n\n\n\n
                      JDK\u539f\u751f\u7ebf\u7a0b\u6c60ThreadPoolExecutor\u63d0\u4f9b\u4e86\u5982\u4e0b\u51e0\u4e2apublic\u7684setter\u65b9\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
                      \"\u56fe19<\/figure>\n\n\n\n
                      JDK\u5141\u8bb8\u7ebf\u7a0b\u6c60\u4f7f\u7528\u65b9\u901a\u8fc7ThreadPoolExecutor\u7684\u5b9e\u4f8b\u6765\u52a8\u6001\u8bbe\u7f6e\u7ebf\u7a0b\u6c60\u7684\u6838\u5fc3\u7b56\u7565\uff0c\u4ee5setCorePoolSize\u4e3a\u65b9\u6cd5\u4f8b\uff0c\u5728\u8fd0\u884c\u671f\u7ebf\u7a0b\u6c60\u4f7f\u7528\u65b9\u8c03\u7528\u6b64\u65b9\u6cd5\u8bbe\u7f6ecorePoolSize\u4e4b\u540e\uff0c\u7ebf\u7a0b\u6c60\u4f1a\u76f4\u63a5\u8986\u76d6\u539f\u6765\u7684corePoolSize\u503c\uff0c\u5e76\u4e14\u57fa\u4e8e\u5f53\u524d\u503c\u548c\u539f\u59cb\u503c\u7684\u6bd4\u8f83\u7ed3\u679c\u91c7\u53d6\u4e0d\u540c\u7684\u5904\u7406\u7b56\u7565\u3002\u5bf9\u4e8e\u5f53\u524d\u503c\u5c0f\u4e8e\u5f53\u524d\u5de5\u4f5c\u7ebf\u7a0b\u6570\u7684\u60c5\u51b5\uff0c\u8bf4\u660e\u6709\u591a\u4f59\u7684worker\u7ebf\u7a0b\uff0c\u6b64\u65f6\u4f1a\u5411\u5f53\u524didle\u7684worker\u7ebf\u7a0b\u53d1\u8d77\u4e2d\u65ad\u8bf7\u6c42\u4ee5\u5b9e\u73b0\u56de\u6536\uff0c\u591a\u4f59\u7684worker\u5728\u4e0b\u6b21idel\u7684\u65f6\u5019\u4e5f\u4f1a\u88ab\u56de\u6536\uff1b\u5bf9\u4e8e\u5f53\u524d\u503c\u5927\u4e8e\u539f\u59cb\u503c\u4e14\u5f53\u524d\u961f\u5217\u4e2d\u6709\u5f85\u6267\u884c\u4efb\u52a1\uff0c\u5219\u7ebf\u7a0b\u6c60\u4f1a\u521b\u5efa\u65b0\u7684worker\u7ebf\u7a0b\u6765\u6267\u884c\u961f\u5217\u4efb\u52a1\uff0csetCorePoolSize\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                      \"\u56fe20<\/figure>\n\n\n\n
                      \u7ebf\u7a0b\u6c60\u5185\u90e8\u4f1a\u5904\u7406\u597d\u5f53\u524d\u72b6\u6001\u505a\u5230\u5e73\u6ed1\u4fee\u6539\uff0c\u5176\u4ed6\u51e0\u4e2a\u65b9\u6cd5\u9650\u4e8e\u7bc7\u5e45\uff0c\u8fd9\u91cc\u4e0d\u4e00\u4e00\u4ecb\u7ecd\u3002\u91cd\u70b9\u662f\u57fa\u4e8e\u8fd9\u51e0\u4e2apublic\u65b9\u6cd5\uff0c\u6211\u4eec\u53ea\u9700\u8981\u7ef4\u62a4ThreadPoolExecutor\u7684\u5b9e\u4f8b\uff0c\u5e76\u4e14\u5728\u9700\u8981\u4fee\u6539\u7684\u65f6\u5019\u62ff\u5230\u5b9e\u4f8b\u4fee\u6539\u5176\u53c2\u6570\u5373\u53ef\u3002\u57fa\u4e8e\u4ee5\u4e0a\u7684\u601d\u8def\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u6c60\u53c2\u6570\u7684\u52a8\u6001\u5316\u3001\u7ebf\u7a0b\u6c60\u53c2\u6570\u5728\u7ba1\u7406\u5e73\u53f0\u53ef\u914d\u7f6e\u53ef\u4fee\u6539\uff0c\u5176\u6548\u679c\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
                      \"\u56fe21<\/figure>\n\n\n\n
                      \u7528\u6237\u53ef\u4ee5\u5728\u7ba1\u7406\u5e73\u53f0\u4e0a\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7684\u540d\u5b57\u627e\u5230\u6307\u5b9a\u7684\u7ebf\u7a0b\u6c60\uff0c\u7136\u540e\u5bf9\u5176\u53c2\u6570\u8fdb\u884c\u4fee\u6539\uff0c\u4fdd\u5b58\u540e\u4f1a\u5b9e\u65f6\u751f\u6548\u3002\u76ee\u524d\u652f\u6301\u7684\u52a8\u6001\u53c2\u6570\u5305\u62ec\u6838\u5fc3\u6570\u3001\u6700\u5927\u503c\u3001\u961f\u5217\u957f\u5ea6\u7b49\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u5728\u754c\u9762\u4e2d\uff0c\u6211\u4eec\u8fd8\u80fd\u770b\u5230\u7528\u6237\u53ef\u4ee5\u914d\u7f6e\u662f\u5426\u5f00\u542f\u544a\u8b66\u3001\u961f\u5217\u7b49\u5f85\u4efb\u52a1\u544a\u8b66\u9608\u503c\u3001\u6d3b\u8dc3\u5ea6\u544a\u8b66\u7b49\u7b49\u3002\u5173\u4e8e\u76d1\u63a7\u548c\u544a\u8b66\uff0c\u6211\u4eec\u4e0b\u9762\u4e00\u8282\u4f1a\u5bf9\u9f50\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n\n\n\n
                      \u7ebf\u7a0b\u6c60\u76d1\u63a7<\/strong><\/p>\n\n\n\n
                      \u9664\u4e86\u53c2\u6570\u52a8\u6001\u5316\u4e4b\u5916\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u4f7f\u7528\u7ebf\u7a0b\u6c60\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u7ebf\u7a0b\u6c60\u7684\u8fd0\u884c\u72b6\u51b5\u6709\u611f\u77e5\uff0c\u6bd4\u5982\u5f53\u524d\u7ebf\u7a0b\u6c60\u7684\u8d1f\u8f7d\u662f\u600e\u4e48\u6837\u7684\uff1f\u5206\u914d\u7684\u8d44\u6e90\u591f\u4e0d\u591f\u7528\uff1f\u4efb\u52a1\u7684\u6267\u884c\u60c5\u51b5\u662f\u600e\u4e48\u6837\u7684\uff1f\u662f\u957f\u4efb\u52a1\u8fd8\u662f\u77ed\u4efb\u52a1\uff1f\u57fa\u4e8e\u5bf9\u8fd9\u4e9b\u95ee\u9898\u7684\u601d\u8003\uff0c\u52a8\u6001\u5316\u7ebf\u7a0b\u6c60\u63d0\u4f9b\u4e86\u591a\u4e2a\u7ef4\u5ea6\u7684\u76d1\u63a7\u548c\u544a\u8b66\u80fd\u529b\uff0c\u5305\u62ec\uff1a\u7ebf\u7a0b\u6c60\u6d3b\u8dc3\u5ea6\u3001\u4efb\u52a1\u7684\u6267\u884cTransaction\uff08\u9891\u7387\u3001\u8017\u65f6\uff09\u3001Reject\u5f02\u5e38\u3001\u7ebf\u7a0b\u6c60\u5185\u90e8\u7edf\u8ba1\u4fe1\u606f\u7b49\u7b49\uff0c\u65e2\u80fd\u5e2e\u52a9\u7528\u6237\u4ece\u591a\u4e2a\u7ef4\u5ea6\u5206\u6790\u7ebf\u7a0b\u6c60\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53c8\u80fd\u5728\u51fa\u73b0\u95ee\u9898\u7b2c\u4e00\u65f6\u95f4\u901a\u77e5\u5230\u7528\u6237\uff0c\u4ece\u800c\u907f\u514d\u6545\u969c\u6216\u52a0\u901f\u6545\u969c\u6062\u590d\u3002<\/p>\n\n\n\n
                      1. \u8d1f\u8f7d\u76d1\u63a7\u548c\u544a\u8b66<\/h4>\n\n\n\n
                      \u7ebf\u7a0b\u6c60\u8d1f\u8f7d\u5173\u6ce8\u7684\u6838\u5fc3\u95ee\u9898\u662f\uff1a\u57fa\u4e8e\u5f53\u524d\u7ebf\u7a0b\u6c60\u53c2\u6570\u5206\u914d\u7684\u8d44\u6e90\u591f\u4e0d\u591f\u3002\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e8b\u524d\u548c\u4e8b\u4e2d\u4e24\u4e2a\u89d2\u5ea6\u6765\u770b\u3002\u4e8b\u524d\uff0c\u7ebf\u7a0b\u6c60\u5b9a\u4e49\u4e86\u201c\u6d3b\u8dc3\u5ea6\u201d\u8fd9\u4e2a\u6982\u5ff5\uff0c\u6765\u8ba9\u7528\u6237\u5728\u53d1\u751fReject\u5f02\u5e38\u4e4b\u524d\u80fd\u591f\u611f\u77e5\u7ebf\u7a0b\u6c60\u8d1f\u8f7d\u95ee\u9898\uff0c\u7ebf\u7a0b\u6c60\u6d3b\u8dc3\u5ea6\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a\u7ebf\u7a0b\u6c60\u6d3b\u8dc3\u5ea6 = activeCount\/maximumPoolSize\u3002\u8fd9\u4e2a\u516c\u5f0f\u4ee3\u8868\u5f53\u6d3b\u8dc3\u7ebf\u7a0b\u6570\u8d8b\u5411\u4e8emaximumPoolSize\u7684\u65f6\u5019\uff0c\u4ee3\u8868\u7ebf\u7a0b\u8d1f\u8f7d\u8d8b\u9ad8\u3002\u4e8b\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4ece\u4e24\u65b9\u9762\u6765\u770b\u7ebf\u7a0b\u6c60\u7684\u8fc7\u8f7d\u5224\u5b9a\u6761\u4ef6\uff0c\u4e00\u4e2a\u662f\u53d1\u751f\u4e86Reject\u5f02\u5e38\uff0c\u4e00\u4e2a\u662f\u961f\u5217\u4e2d\u6709\u7b49\u5f85\u4efb\u52a1\uff08\u652f\u6301\u5b9a\u5236\u9608\u503c\uff09\u3002\u4ee5\u4e0a\u4e24\u79cd\u60c5\u51b5\u53d1\u751f\u4e86\u90fd\u4f1a\u89e6\u53d1\u544a\u8b66\uff0c\u544a\u8b66\u4fe1\u606f\u4f1a\u901a\u8fc7\u5927\u8c61\u63a8\u9001\u7ed9\u670d\u52a1\u6240\u5173\u8054\u7684\u8d1f\u8d23\u4eba\u3002<\/p>\n\n\n\n
                      \"\u56fe22<\/figure>\n\n\n\n
                      2. \u4efb\u52a1\u7ea7\u7cbe\u7ec6\u5316\u76d1\u63a7<\/p>\n\n\n\n
                      \u5728\u4f20\u7edf\u7684\u7ebf\u7a0b\u6c60\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u7ebf\u7a0b\u6c60\u4e2d\u7684\u4efb\u52a1\u6267\u884c\u60c5\u51b5\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u662f\u900f\u660e\u7684\u3002\u6bd4\u5982\u5728\u4e00\u4e2a\u5177\u4f53\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u4e1a\u52a1\u5f00\u53d1\u7533\u8bf7\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\u540c\u65f6\u7528\u4e8e\u6267\u884c\u4e24\u79cd\u4efb\u52a1\uff0c\u4e00\u4e2a\u662f\u53d1\u6d88\u606f\u4efb\u52a1\u3001\u4e00\u4e2a\u662f\u53d1\u77ed\u4fe1\u4efb\u52a1\uff0c\u8fd9\u4e24\u7c7b\u4efb\u52a1\u5b9e\u9645\u6267\u884c\u7684\u9891\u7387\u548c\u65f6\u957f\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u6ca1\u6709\u4e00\u4e2a\u76f4\u89c2\u7684\u611f\u53d7\uff0c\u5f88\u53ef\u80fd\u8fd9\u4e24\u7c7b\u4efb\u52a1\u4e0d\u9002\u5408\u5171\u4eab\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u4f46\u662f\u7531\u4e8e\u7528\u6237\u65e0\u6cd5\u611f\u77e5\uff0c\u56e0\u6b64\u4e5f\u65e0\u4ece\u4f18\u5316\u3002\u52a8\u6001\u5316\u7ebf\u7a0b\u6c60\u5185\u90e8\u5b9e\u73b0\u4e86\u4efb\u52a1\u7ea7\u522b\u7684\u57cb\u70b9\uff0c\u4e14\u5141\u8bb8\u4e3a\u4e0d\u540c\u7684\u4e1a\u52a1\u4efb\u52a1\u6307\u5b9a\u5177\u6709\u4e1a\u52a1\u542b\u4e49\u7684\u540d\u79f0\uff0c\u7ebf\u7a0b\u6c60\u5185\u90e8\u57fa\u4e8e\u8fd9\u4e2a\u540d\u79f0\u505aTransaction\u6253\u70b9\uff0c\u57fa\u4e8e\u8fd9\u4e2a\u529f\u80fd\uff0c\u7528\u6237\u53ef\u4ee5\u770b\u5230\u7ebf\u7a0b\u6c60\u5185\u90e8\u4efb\u52a1\u7ea7\u522b\u7684\u6267\u884c\u60c5\u51b5\uff0c\u4e14\u533a\u5206\u4e1a\u52a1\uff0c\u4efb\u52a1\u76d1\u63a7\u793a\u610f\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
                      \"\u56fe23<\/figure>\n\n\n\n
                      3. \u8fd0\u884c\u65f6\u72b6\u6001\u5b9e\u65f6\u67e5\u770b<\/h4>\n\n\n\n
                      \u7528\u6237\u57fa\u4e8eJDK\u539f\u751f\u7ebf\u7a0b\u6c60ThreadPoolExecutor\u63d0\u4f9b\u7684\u51e0\u4e2apublic\u7684getter\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8bfb\u53d6\u5230\u5f53\u524d\u7ebf\u7a0b\u6c60\u7684\u8fd0\u884c\u72b6\u6001\u4ee5\u53ca\u53c2\u6570\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
                      \"\u56fe24<\/figure>\n\n\n\n
                      \u52a8\u6001\u5316\u7ebf\u7a0b\u6c60\u57fa\u4e8e\u8fd9\u51e0\u4e2a\u63a5\u53e3\u5c01\u88c5\u4e86\u8fd0\u884c\u65f6\u72b6\u6001\u5b9e\u65f6\u67e5\u770b\u7684\u529f\u80fd\uff0c\u7528\u6237\u57fa\u4e8e\u8fd9\u4e2a\u529f\u80fd\u53ef\u4ee5\u4e86\u89e3\u7ebf\u7a0b\u6c60\u7684\u5b9e\u65f6\u72b6\u6001\uff0c\u6bd4\u5982\u5f53\u524d\u6709\u591a\u5c11\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u6267\u884c\u4e86\u591a\u5c11\u4e2a\u4efb\u52a1\uff0c\u961f\u5217\u4e2d\u7b49\u5f85\u7684\u4efb\u52a1\u6570\u7b49\u7b49\u3002\u6548\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
                      \"\u56fe25<\/figure>\n\n\n\n
                      \u9762\u5bf9\u4e1a\u52a1\u4e2d\u4f7f\u7528\u7ebf\u7a0b\u6c60\u9047\u5230\u7684\u5b9e\u9645\u95ee\u9898\uff0c\u6211\u4eec\u66fe\u56de\u5230\u652f\u6301\u5e76\u53d1\u6027\u95ee\u9898\u672c\u8eab\u6765\u601d\u8003\u6709\u6ca1\u6709\u53d6\u4ee3\u7ebf\u7a0b\u6c60\u7684\u65b9\u6848\uff0c\u4e5f\u66fe\u5c1d\u8bd5\u7740\u53bb\u8ffd\u6c42\u7ebf\u7a0b\u6c60\u53c2\u6570\u8bbe\u7f6e\u7684\u5408\u7406\u6027\uff0c\u4f46\u9762\u5bf9\u4e1a\u754c\u65b9\u6848\u5177\u4f53\u843d\u5730\u7684\u590d\u6742\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u4ee5\u53ca\u771f\u5b9e\u8fd0\u884c\u73af\u5883\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u6211\u4eec\u5728\u524d\u4e24\u4e2a\u65b9\u5411\u4e0a\u53ef\u8c13\u201c\u4e3e\u6b65\u7ef4\u8270\u201d\u3002\u6700\u7ec8\uff0c\u6211\u4eec\u56de\u5230\u7ebf\u7a0b\u6c60\u53c2\u6570\u52a8\u6001\u5316\u65b9\u5411\u4e0a\u63a2\u7d22\uff0c\u5f97\u51fa\u4e00\u4e2a\u4e14\u53ef\u4ee5\u89e3\u51b3\u4e1a\u52a1\u95ee\u9898\u7684\u65b9\u6848\uff0c\u867d\u7136\u672c\u8d28\u4e0a\u8fd8\u662f\u6ca1\u6709\u9003\u79bb\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684\u8303\u7574\uff0c\u4f46\u662f\u5728\u6210\u672c\u548c\u6536\u76ca\u4e4b\u95f4\uff0c\u7b97\u662f\u53d6\u5f97\u4e86\u4e00\u4e2a\u5f88\u597d\u7684\u5e73\u8861\u3002\u6210\u672c\u5728\u4e8e\u5b9e\u73b0\u52a8\u6001\u5316\u4ee5\u53ca\u76d1\u63a7\u6210\u672c\u4e0d\u9ad8\uff0c\u6536\u76ca\u5728\u4e8e\uff1a\u5728\u4e0d\u98a0\u8986\u539f\u6709\u7ebf\u7a0b\u6c60\u4f7f\u7528\u65b9\u5f0f\u7684\u57fa\u7840\u4e4b\u4e0a\uff0c\u4ece\u964d\u4f4e\u7ebf\u7a0b\u6c60\u53c2\u6570\u4fee\u6539\u7684\u6210\u672c\u4ee5\u53ca\u591a\u7ef4\u5ea6\u76d1\u63a7\u8fd9\u4e24\u4e2a\u65b9\u9762\u964d\u4f4e\u4e86\u6545\u969c\u53d1\u751f\u7684\u6982\u7387\u3002\u5e0c\u671b\u672c\u6587\u63d0\u4f9b\u7684\u52a8\u6001\u5316\u7ebf\u7a0b\u6c60\u601d\u8def\u80fd\u5bf9\u5927\u5bb6\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      \u9996\u5148\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u57282020\u5e74\u53d1\u5e03\u7684\u4e00\u7bc7\u6587\u7ae0Java\u7ebf\u7a0b\u6c60\u5b9e\u73b0\u539f\u7406\u53ca\u5176\u5728\u7f8e\u56e2\u4e1a\u52a1\u4e2d\u7684\u5b9e\u8df5 – \u7f8e\u56e2\u6280\u672f\u56e2\u961f\uff0c\u8be6\u7ec6\u8bb2\u89e3\u4e86\u7ebf\u7a0b\u6c60\u7684\u6765\u5386 …<\/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":[2],"tags":[19,20,36],"class_list":["post-1400","post","type-post","status-publish","format-standard","hentry","category-2","tag-java","tag-20","tag-36"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1400","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=1400"}],"version-history":[{"count":17,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1400\/revisions"}],"predecessor-version":[{"id":1430,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1400\/revisions\/1430"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}