{"id":4874,"date":"2022-03-28T18:41:34","date_gmt":"2022-03-28T10:41:34","guid":{"rendered":"https:\/\/egonlin.com\/?p=4874"},"modified":"2022-04-11T19:07:41","modified_gmt":"2022-04-11T11:07:41","slug":"%e7%ac%ac%e4%b8%89%e7%af%87%ef%bc%9a%e5%a4%9a%e8%bf%9b%e7%a8%8b%ef%bc%88%e7%90%86%e8%ae%ba%e7%af%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4874","title":{"rendered":"\u7b2c\u4e09\u7bc7\uff1a\u591a\u8fdb\u7a0b\uff08\u7406\u8bba\u7bc7\uff09"},"content":{"rendered":"

\u591a\u8fdb\u7a0b\uff08\u7406\u8bba\uff09<\/h1>\n

\"\"<\/div><\/p>\n

\u4e00\u3001\u4ec0\u4e48\u662f\u8fdb\u7a0b<\/h2>\n

\u8fdb\u7a0b\uff1a\u6b63\u5728\u8fdb\u884c\u7684\u4e00\u4e2a\u8fc7\u7a0b\u6216\u8005\u8bf4\u4e00\u4e2a\u4efb\u52a1\u3002\u800c\u8d1f\u8d23\u6267\u884c\u4efb\u52a1\u5219\u662fcpu\u3002<\/p>\n

\u4e3e\u4f8b\uff08\u5355\u6838+\u591a\u9053\uff0c\u5b9e\u73b0\u591a\u4e2a\u8fdb\u7a0b\u7684\u5e76\u53d1\u6267\u884c\uff09\uff1a<\/p>\n

egon\u5728\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\u6709\u5f88\u591a\u4efb\u52a1\u8981\u505a\uff1apython\u5907\u8bfe\u7684\u4efb\u52a1\uff0c\u5199\u4e66\u7684\u4efb\u52a1\uff0c\u4ea4\u5973\u670b\u53cb\u7684\u4efb\u52a1\uff0c\u738b\u8005\u8363\u8000\u4e0a\u5206\u7684\u4efb\u52a1\uff0c\u3000\u3000<\/p>\n

\u4f46egon\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u505a\u4e00\u4e2a\u4efb\u52a1\uff08cpu\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u5e72\u4e00\u4e2a\u6d3b\uff09\uff0c\u5982\u4f55\u624d\u80fd\u73a9\u51fa\u591a\u4e2a\u4efb\u52a1\u5e76\u53d1\u6267\u884c\u7684\u6548\u679c\uff1f<\/p>\n

egon\u5907\u4e00\u4f1a\u8bfe\uff0c\u518d\u53bb\u8ddf\u670b\u53cb\u804a\u804a\u5929\uff0c\u518d\u53bb\u6253\u4e00\u4f1a\u738b\u8005\u8363\u8000\u2026.\u8fd9\u5c31\u4fdd\u8bc1\u4e86\u6bcf\u4e2a\u4efb\u52a1\u90fd\u5728\u8fdb\u884c\u4e2d.<\/p>\n

\u4e8c\u3001\u8fdb\u7a0b\u4e0e\u7a0b\u5e8f\u7684\u533a\u522b<\/h2>\n

\u7a0b\u5e8f\u4ec5\u4ec5\u53ea\u662f\u4e00\u5806\u4ee3\u7801\u800c\u5df2\uff0c\u800c\u8fdb\u7a0b\u6307\u7684\u662f\u7a0b\u5e8f\u7684\u8fd0\u884c\u8fc7\u7a0b\u3002<\/p>\n

\u4e3e\u4f8b\uff1a<\/p>\n

\u60f3\u8c61\u4e00\u4f4d\u6709\u4e00\u624b\u597d\u53a8\u827a\u7684\u53a8\u5e08\u6b63\u5728\u4e3a\u4ed6\u7684\u5973\u513f\u70d8\u7119\u751f\u65e5\u86cb\u7cd5\u3002<\/p>\n

\u4ed6\u6709\u505a\u751f\u65e5\u86cb\u7cd5\u7684\u98df\u8c31\uff0c<\/p>\n

\u53a8\u623f\u91cc\u6709\u6240\u9700\u7684\u539f\u6599:\u9762\u7c89\u3001\u9e21\u86cb\u3001\u97ed\u83dc\uff0c\u849c\u6ce5\u7b49\u3002<\/p>\n

\u5728\u8fd9\u4e2a\u6bd4\u55bb\u4e2d\uff1a<\/p>\n

*\u505a\u86cb\u7cd5\u7684\u98df\u8c31\u5c31\u662f\u7a0b\u5e8f*<\/em><\/strong>(\u5373\u7528\u9002\u5f53\u5f62\u5f0f\u63cf\u8ff0\u7684\u7b97\u6cd5)<\/p>\n

*\u53a8\u5e08\u5c31\u662f\u5904\u7406\u5668(cpu)*<\/em><\/strong><\/p>\n

*\u800c\u505a\u86cb\u7cd5\u7684\u5404\u79cd\u539f\u6599\u5c31\u662f\u8f93\u5165\u6570\u636e*<\/em><\/strong>\u3002<\/p>\n

*\u8fdb\u7a0b\u5c31\u662f\u53a8\u5e08\u9605\u8bfb\u98df\u8c31\u3001\u53d6\u6765\u5404\u79cd\u539f\u6599\u4ee5\u53ca\u70d8\u5236\u86cb\u7cd5\u7b49\u4e00\u7cfb\u5217\u52a8\u4f5c\u7684\u603b\u548c*<\/em><\/strong>\u3002<\/p>\n

\u73b0\u5728\u5047\u8bbe\u53a8\u5e08\u7684\u513f\u5b50\u54ed\u7740\u8dd1\u4e86\u8fdb\u6765\uff0c\u8bf4\uff1a\u6211\u88ab\u871c\u8702\u86f0\u4e86\u3002<\/p>\n

\u53a8\u5e08\u60f3\u4e86\u60f3\uff0c\u5904\u7406\u513f\u5b50\u86f0\u4f24\u7684\u4efb\u52a1\u6bd4\u7ed9\u5973\u513f\u505a\u86cb\u7cd5\u7684\u4efb\u52a1\u66f4\u91cd\u8981\uff0c\u4e8e\u662f\u53a8\u5e08\u5c31\u8bb0\u5f55\u4e0b\u4ed6\u7167\u7740\u98df\u8c31\u505a\u5230\u54ea\u513f\u4e86(\u4fdd\u5b58\u8fdb\u7a0b\u7684\u5f53\u524d\u72b6\u6001)\uff0c\u7136\u540e\u62ff\u51fa\u4e00\u672c\u6025\u6551\u624b\u518c\uff0c\u6309\u7167\u5176\u4e2d\u7684\u6307\u793a\u5904\u7406\u86f0\u4f24\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u770b\u5230\u5904\u7406\u673a\u4ece\u4e00\u4e2a\u8fdb\u7a0b(\u505a\u86cb\u7cd5)\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u9ad8\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b(\u5b9e\u65bd\u533b\u7597\u6551\u6cbb)\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u62e5\u6709\u5404\u81ea\u7684\u7a0b\u5e8f(\u98df\u8c31\u548c\u6025\u6551\u624b\u518c)\u3002\u5f53\u871c\u8702\u86f0\u4f24\u5904\u7406\u5b8c\u4e4b\u540e\uff0c\u8fd9\u4f4d\u53a8\u5e08\u53c8\u56de\u6765\u505a\u86cb\u7cd5\uff0c\u4ece\u4ed6\u79bb\u5f00\u65f6\u7684\u90a3\u4e00\u6b65\u7ee7\u7eed\u505a\u4e0b\u53bb\u3002<\/p>\n

*\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff1a\u540c\u4e00\u4e2a\u7a0b\u5e8f\u6267\u884c\u4e24\u6b21\uff0c\u90a3\u4e5f\u662f\u4e24\u4e2a\u8fdb\u7a0b\uff0c\u6bd4\u5982\u6253\u5f00\u66b4\u98ce\u5f71\u97f3\uff0c\u867d\u7136\u90fd\u662f\u540c\u4e00\u4e2a\u8f6f\u4ef6\uff0c\u4f46\u662f\u4e00\u4e2a\u53ef\u4ee5\u64ad\u653e\u897f\u6e38\u8bb0\uff0c\u4e00\u4e2a\u53ef\u4ee5\u64ad\u653e\u6c34\u6d52\u4f20\u3002*<\/em><\/strong><\/p>\n

\u4e09\u3001\u5e76\u53d1\u4e0e\u5e76\u884c<\/h2>\n

\u65e0\u8bba\u662f\u5e76\u884c\u8fd8\u662f\u5e76\u53d1\uff0c\u5728\u7528\u6237\u770b\u6765\u90fd\u662f\u2019\u540c\u65f6\u2019\u8fd0\u884c\u7684\uff0c\u4e0d\u7ba1\u662f\u8fdb\u7a0b\u8fd8\u662f\u7ebf\u7a0b\uff0c\u90fd\u53ea\u662f\u4e00\u4e2a\u4efb\u52a1\u800c\u5df2\uff0c\u771f\u662f\u5e72\u6d3b\u7684\u662fcpu\uff0ccpu\u6765\u505a\u8fd9\u4e9b\u4efb\u52a1\uff0c\u800c\u4e00\u4e2acpu\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u4efb\u52a1<\/p>\n

3.1 \u5e76\u53d1<\/h3>\n

\u662f\u4f2a\u5e76\u884c\uff0c\u5373\u770b\u8d77\u6765\u662f\u540c\u65f6\u8fd0\u884c\u3002\u5355\u4e2acpu+\u591a\u9053\u6280\u672f\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5e76\u53d1\uff0c\uff08\u5e76\u884c\u4e5f\u5c5e\u4e8e\u5e76\u53d1\uff09<\/p>\n

3.2 \u5e76\u884c<\/h3>\n

\u540c\u65f6\u8fd0\u884c\uff0c\u53ea\u6709\u5177\u5907\u591a\u4e2acpu\u624d\u80fd\u5b9e\u73b0\u5e76\u884c<\/p>\n

\u5355\u6838\u4e0b\uff0c\u53ef\u4ee5\u5229\u7528\u591a\u9053\u6280\u672f\uff0c\u591a\u4e2a\u6838\uff0c\u6bcf\u4e2a\u6838\u4e5f\u90fd\u53ef\u4ee5\u5229\u7528\u591a\u9053\u6280\u672f\uff08*\u591a\u9053\u6280\u672f\u662f\u9488\u5bf9\u5355\u6838\u800c\u8a00\u7684*<\/em><\/strong>\uff09<\/p>\n

\u6709\u56db\u4e2a\u6838\uff0c\u516d\u4e2a\u4efb\u52a1\uff0c\u8fd9\u6837\u540c\u4e00\u65f6\u95f4\u6709\u56db\u4e2a\u4efb\u52a1\u88ab\u6267\u884c\uff0c\u5047\u8bbe\u5206\u522b\u88ab\u5206\u914d\u7ed9\u4e86cpu1\uff0ccpu2\uff0ccpu3\uff0ccpu4\uff0c<\/p>\n

\u4e00\u65e6\u4efb\u52a11\u9047\u5230I\/O\u5c31\u88ab\u8feb\u4e2d\u65ad\u6267\u884c\uff0c\u6b64\u65f6\u4efb\u52a15\u5c31\u62ff\u5230cpu1\u7684\u65f6\u95f4\u7247\u53bb\u6267\u884c\uff0c\u8fd9\u5c31\u662f\u5355\u6838\u4e0b\u7684\u591a\u9053\u6280\u672f<\/p>\n

\u800c\u4e00\u65e6\u4efb\u52a11\u7684I\/O\u7ed3\u675f\u4e86\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u91cd\u65b0\u8c03\u7528\u5b83(*\u9700\u77e5\u8fdb\u7a0b\u7684\u8c03\u5ea6\u3001\u5206\u914d\u7ed9\u54ea\u4e2acpu\u8fd0\u884c\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u8bf4\u4e86\u7b97*<\/em><\/strong>)\uff0c\u53ef\u80fd\u88ab\u5206\u914d\u7ed9\u56db\u4e2acpu\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u53bb\u6267\u884c<\/p>\n

\"\"<\/div><\/p>\n

\u6240\u6709\u73b0\u4ee3\u8ba1\u7b97\u673a\u7ecf\u5e38\u4f1a\u5728\u540c\u4e00\u65f6\u95f4\u505a\u5f88\u591a\u4ef6\u4e8b\uff0c\u4e00\u4e2a\u7528\u6237\u7684PC\uff08\u65e0\u8bba\u662f\u5355cpu\u8fd8\u662f\u591acpu\uff09\uff0c\u90fd\u53ef\u4ee5\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u4efb\u52a1\uff08\u4e00\u4e2a\u4efb\u52a1\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u8fdb\u7a0b\uff09\u3002<\/p>\n

\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\u6765\u6740\u6bd2\uff08360\u8f6f\u4ef6\uff09<\/p>\n

\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\u6765\u770b\u7535\u5f71\uff08\u66b4\u98ce\u5f71\u97f3\uff09<\/p>\n

\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\u6765\u804a\u5929\uff08\u817e\u8bafQQ\uff09<\/p>\n

\u6240\u6709\u7684\u8fd9\u4e9b\u8fdb\u7a0b\u90fd\u9700\u88ab\u7ba1\u7406\uff0c\u4e8e\u662f\u4e00\u4e2a\u652f\u6301\u591a\u8fdb\u7a0b\u7684\u591a\u9053\u7a0b\u5e8f\u7cfb\u7edf\u662f\u81f3\u5173\u91cd\u8981\u7684<\/p>\n

\u591a\u9053\u6280\u672f\u6982\u5ff5\u56de\u987e\uff1a\u5185\u5b58\u4e2d\u540c\u65f6\u5b58\u5165\u591a\u9053\uff08\u591a\u4e2a\uff09\u7a0b\u5e8f\uff0ccpu\u4ece\u4e00\u4e2a\u8fdb\u7a0b\u5feb\u901f\u5207\u6362\u5230\u53e6\u5916\u4e00\u4e2a\uff0c\u4f7f\u6bcf\u4e2a\u8fdb\u7a0b\u5404\u81ea\u8fd0\u884c\u51e0\u5341\u6216\u51e0\u767e\u6beb\u79d2\uff0c\u8fd9\u6837\uff0c\u867d\u7136\u5728\u67d0\u4e00\u4e2a\u77ac\u95f4\uff0c\u4e00\u4e2acpu\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u4efb\u52a1\uff0c\u4f46\u57281\u79d2\u5185\uff0ccpu\u5374\u53ef\u4ee5\u8fd0\u884c\u591a\u4e2a\u8fdb\u7a0b\uff0c\u8fd9\u5c31\u7ed9\u4eba\u4ea7\u751f\u4e86\u5e76\u884c\u7684\u9519\u89c9\uff0c\u5373\u4f2a\u5e76\u53d1\uff0c\u4ee5\u6b64\u6765\u533a\u5206\u591a\u5904\u7406\u5668\u64cd\u4f5c\u7cfb\u7edf\u7684\u771f\u6b63\u786c\u4ef6\u5e76\u884c\uff08\u591a\u4e2acpu\u5171\u4eab\u540c\u4e00\u4e2a\u7269\u7406\u5185\u5b58\uff09<\/p>\n

\u56db\u3001\u540c\u6b65\/\u5f02\u6b65&\u963b\u585e\/\u975e\u963b\u585e\uff08\u91cd\u70b9\uff09<\/h2>\n

4.1 \u540c\u6b65<\/h3>\n

#\u6240\u8c13\u540c\u6b65\uff0c\u5c31\u662f\u5728\u53d1\u51fa\u4e00\u4e2a\u529f\u80fd\u8c03\u7528\u65f6\uff0c\u5728\u6ca1\u6709\u5f97\u5230\u7ed3\u679c\u4e4b\u524d\uff0c\u8be5\u8c03\u7528\u5c31\u4e0d\u4f1a\u8fd4\u56de\u3002\u6309\u7167\u8fd9\u4e2a\u5b9a\u4e49\uff0c\u5176\u5b9e\u7edd\u5927\u591a\u6570\u51fd\u6570\u90fd\u662f\u540c\u6b65\u8c03\u7528\u3002\u4f46\u662f\u4e00\u822c\u800c\u8a00\uff0c\u6211\u4eec\u5728\u8bf4\u540c\u6b65\u3001\u5f02\u6b65\u7684\u65f6\u5019\uff0c\u7279\u6307\u90a3\u4e9b\u9700\u8981\u5176\u4ed6\u90e8\u4ef6\u534f\u4f5c\u6216\u8005\u9700\u8981\u4e00\u5b9a\u65f6\u95f4\u5b8c\u6210\u7684\u4efb\u52a1\u3002
\n<\/strong>#\u4e3e\u4f8b\uff1a
\n<\/strong>#1. multiprocessing.Pool\u4e0b\u7684apply #\u53d1\u8d77\u540c\u6b65\u8c03\u7528\u540e\uff0c\u5c31\u5728\u539f\u5730\u7b49\u7740\u4efb\u52a1\u7ed3\u675f\uff0c\u6839\u672c\u4e0d\u8003\u8651\u4efb\u52a1\u662f\u5728\u8ba1\u7b97\u8fd8\u662f\u5728io\u963b\u585e\uff0c\u603b\u4e4b\u5c31\u662f\u4e00\u80a1\u8111\u5730\u7b49\u4efb\u52a1\u7ed3\u675f
\n<\/strong>#2. concurrent.futures.ProcessPoolExecutor().submit(func,).result()
\n<\/strong>#3. concurrent.futures.ThreadPoolExecutor().submit(func,).result()<\/em><\/p>\n

4.2 \u5f02\u6b65<\/h3>\n

#\u5f02\u6b65\u7684\u6982\u5ff5\u548c\u540c\u6b65\u76f8\u5bf9\u3002\u5f53\u4e00\u4e2a\u5f02\u6b65\u529f\u80fd\u8c03\u7528\u53d1\u51fa\u540e\uff0c\u8c03\u7528\u8005\u4e0d\u80fd\u7acb\u523b\u5f97\u5230\u7ed3\u679c\u3002\u5f53\u8be5\u5f02\u6b65\u529f\u80fd\u5b8c\u6210\u540e\uff0c\u901a\u8fc7\u72b6\u6001\u3001\u901a\u77e5\u6216\u56de\u8c03\u6765\u901a\u77e5\u8c03\u7528\u8005\u3002\u5982\u679c\u5f02\u6b65\u529f\u80fd\u7528\u72b6\u6001\u6765\u901a\u77e5\uff0c\u90a3\u4e48\u8c03\u7528\u8005\u5c31\u9700\u8981\u6bcf\u9694\u4e00\u5b9a\u65f6\u95f4\u68c0\u67e5\u4e00\u6b21\uff0c\u6548\u7387\u5c31\u5f88\u4f4e\uff08\u6709\u4e9b\u521d\u5b66\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u4eba\uff0c\u603b\u559c\u6b22\u7528\u4e00\u4e2a\u5faa\u73af\u53bb\u68c0\u67e5\u67d0\u4e2a\u53d8\u91cf\u7684\u503c\uff0c\u8fd9\u5176\u5b9e\u662f\u4e00 \u79cd\u5f88\u4e25\u91cd\u7684\u9519\u8bef\uff09\u3002\u5982\u679c\u662f\u4f7f\u7528\u901a\u77e5\u7684\u65b9\u5f0f\uff0c\u6548\u7387\u5219\u5f88\u9ad8\uff0c\u56e0\u4e3a\u5f02\u6b65\u529f\u80fd\u51e0\u4e4e\u4e0d\u9700\u8981\u505a\u989d\u5916\u7684\u64cd\u4f5c\u3002\u81f3\u4e8e\u56de\u8c03\u51fd\u6570\uff0c\u5176\u5b9e\u548c\u901a\u77e5\u6ca1\u592a\u591a\u533a\u522b\u3002
\n<\/strong>#\u4e3e\u4f8b\uff1a
\n<\/strong>#1. multiprocessing.Pool().apply_async() #\u53d1\u8d77\u5f02\u6b65\u8c03\u7528\u540e\uff0c\u5e76\u4e0d\u4f1a\u7b49\u5f85\u4efb\u52a1\u7ed3\u675f\u624d\u8fd4\u56de\uff0c\u76f8\u53cd\uff0c\u4f1a\u7acb\u5373\u83b7\u53d6\u4e00\u4e2a\u4e34\u65f6\u7ed3\u679c\uff08\u5e76\u4e0d\u662f\u6700\u7ec8\u7684\u7ed3\u679c\uff0c\u53ef\u80fd\u662f\u5c01\u88c5\u597d\u7684\u4e00\u4e2a\u5bf9\u8c61\uff09\u3002
\n<\/strong>#2. concurrent.futures.ProcessPoolExecutor(3).submit(func,)
\n<\/strong>#3. concurrent.futures.ThreadPoolExecutor(3).submit(func,)<\/em><\/p>\n

4.3 \u963b\u585e<\/h3>\n

#\u963b\u585e\u8c03\u7528\u662f\u6307\u8c03\u7528\u7ed3\u679c\u8fd4\u56de\u4e4b\u524d\uff0c\u5f53\u524d\u7ebf\u7a0b\u4f1a\u88ab\u6302\u8d77\uff08\u5982\u9047\u5230io\u64cd\u4f5c\uff09\u3002\u51fd\u6570\u53ea\u6709\u5728\u5f97\u5230\u7ed3\u679c\u4e4b\u540e\u624d\u4f1a\u5c06\u963b\u585e\u7684\u7ebf\u7a0b\u6fc0\u6d3b\u3002\u6709\u4eba\u4e5f\u8bb8\u4f1a\u628a\u963b\u585e\u8c03\u7528\u548c\u540c\u6b65\u8c03\u7528\u7b49\u540c\u8d77\u6765\uff0c\u5b9e\u9645\u4e0a\u4ed6\u662f\u4e0d\u540c\u7684\u3002\u5bf9\u4e8e\u540c\u6b65\u8c03\u7528\u6765\u8bf4\uff0c\u5f88\u591a\u65f6\u5019\u5f53\u524d\u7ebf\u7a0b\u8fd8\u662f\u6fc0\u6d3b\u7684\uff0c\u53ea\u662f\u4ece\u903b\u8f91\u4e0a\u5f53\u524d\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u800c\u5df2\u3002
\n<\/strong>#\u4e3e\u4f8b\uff1a
\n<\/strong>#1. \u540c\u6b65\u8c03\u7528\uff1aapply\u4e00\u4e2a\u7d2f\u8ba11\u4ebf\u6b21\u7684\u4efb\u52a1\uff0c\u8be5\u8c03\u7528\u4f1a\u4e00\u76f4\u7b49\u5f85\uff0c\u76f4\u5230\u4efb\u52a1\u8fd4\u56de\u7ed3\u679c\u4e3a\u6b62\uff0c\u4f46\u5e76\u672a\u963b\u585e\u4f4f\uff08\u5373\u4fbf\u662f\u88ab\u62a2\u8d70cpu\u7684\u6267\u884c\u6743\u9650\uff0c\u90a3\u4e5f\u662f\u5904\u4e8e\u5c31\u7eea\u6001\uff09;
\n<\/strong>#2. \u963b\u585e\u8c03\u7528\uff1a\u5f53socket\u5de5\u4f5c\u5728\u963b\u585e\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u5982\u679c\u6ca1\u6709\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u8c03\u7528recv\u51fd\u6570\uff0c\u5219\u5f53\u524d\u7ebf\u7a0b\u5c31\u4f1a\u88ab\u6302\u8d77\uff0c\u76f4\u5230\u6709\u6570\u636e\u4e3a\u6b62\u3002<\/em><\/p>\n

4.4 \u975e\u963b\u585e<\/h3>\n

#\u975e\u963b\u585e\u548c\u963b\u585e\u7684\u6982\u5ff5\u76f8\u5bf9\u5e94\uff0c\u6307\u5728\u4e0d\u80fd\u7acb\u523b\u5f97\u5230\u7ed3\u679c\u4e4b\u524d\u4e5f\u4f1a\u7acb\u523b\u8fd4\u56de\uff0c\u540c\u65f6\u8be5\u51fd\u6570\u4e0d\u4f1a\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\u3002<\/em><\/p>\n

4.5 \u5c0f\u7ed3<\/h3>\n

*#1. \u540c\u6b65\u4e0e\u5f02\u6b65\u9488\u5bf9\u7684\u662f\u51fd\u6570\/\u4efb\u52a1\u7684\u8c03\u7528\u65b9\u5f0f\uff1a\u540c\u6b65\u5c31\u662f\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u8d77\u4e00\u4e2a\u51fd\u6570\uff08\u4efb\u52a1\uff09\u8c03\u7528\u7684\u65f6\u5019\uff0c\u4e00\u76f4\u7b49\u5230\u51fd\u6570\uff08\u4efb\u52a1\uff09\u5b8c\u6210\uff0c\u800c\u8fdb\u7a0b\u7ee7\u7eed\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u3002\u800c\u5f02\u6b65\u60c5\u51b5\u4e0b\u662f\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u8d77\u4e00\u4e2a\u51fd\u6570\uff08\u4efb\u52a1\uff09\u8c03\u7528\u7684\u65f6\u5019\uff0c\u4e0d\u4f1a\u7b49\u51fd\u6570\u8fd4\u56de\uff0c\u800c\u662f\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c\u5f53\uff0c\u51fd\u6570\u8fd4\u56de\u7684\u65f6\u5019\u901a\u8fc7\u72b6\u6001\u3001\u901a\u77e5\u3001\u4e8b\u4ef6\u7b49\u65b9\u5f0f\u901a\u77e5\u8fdb\u7a0b\u4efb\u52a1\u5b8c\u6210\u3002
\n<\/strong>
\n*#2. \u963b\u585e\u4e0e\u975e\u963b\u585e\u9488\u5bf9\u7684\u662f\u8fdb\u7a0b\u6216\u7ebf\u7a0b\uff1a\u963b\u585e\u662f\u5f53\u8bf7\u6c42\u4e0d\u80fd\u6ee1\u8db3\u7684\u65f6\u5019\u5c31\u5c06\u8fdb\u7a0b\u6302\u8d77\uff0c\u800c\u975e\u963b\u585e\u5219\u4e0d\u4f1a\u963b\u585e\u5f53\u524d\u8fdb\u7a0b<\/em><\/p>\n

\u4e94\u3001\u8fdb\u7a0b\u7684\u521b\u5efa\uff08\u4e86\u89e3\uff09<\/h2>\n

\u4f46\u51e1\u662f\u786c\u4ef6\uff0c\u90fd\u9700\u8981\u6709\u64cd\u4f5c\u7cfb\u7edf\u53bb\u7ba1\u7406\uff0c\u53ea\u8981\u6709\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5c31\u6709\u8fdb\u7a0b\u7684\u6982\u5ff5\uff0c\u5c31\u9700\u8981\u6709\u521b\u5efa\u8fdb\u7a0b\u7684\u65b9\u5f0f\uff0c\u4e00\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u53ea\u4e3a\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\uff0c\u6bd4\u5982\u5fae\u6ce2\u7089\u4e2d\u7684\u63a7\u5236\u5668\uff0c\u4e00\u65e6\u542f\u52a8\u5fae\u6ce2\u7089\uff0c\u6240\u6709\u7684\u8fdb\u7a0b\u90fd\u5df2\u7ecf\u5b58\u5728\u3002<\/p>\n

\u800c\u5bf9\u4e8e\u901a\u7528\u7cfb\u7edf\uff08\u8dd1\u5f88\u591a\u5e94\u7528\u7a0b\u5e8f\uff09\uff0c\u9700\u8981\u6709\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u521b\u5efa\u6216\u64a4\u9500\u8fdb\u7a0b\u7684\u80fd\u529b\uff0c\u4e3b\u8981\u5206\u4e3a4\u4e2d\u5f62\u5f0f\u521b\u5efa\u65b0\u7684\u8fdb\u7a0b<\/p>\n

\u7cfb\u7edf\u521d\u59cb\u5316\uff08\u67e5\u770b\u8fdb\u7a0blinux\u4e2d\u7528ps\u547d\u4ee4\uff0cwindows\u4e2d\u7528\u4efb\u52a1\u7ba1\u7406\u5668\uff0c\u524d\u53f0\u8fdb\u7a0b\u8d1f\u8d23\u4e0e\u7528\u6237\u4ea4\u4e92\uff0c\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e0e\u7528\u6237\u65e0\u5173\uff0c\u8fd0\u884c\u5728\u540e\u53f0\u5e76\u4e14\u53ea\u5728\u9700\u8981\u65f6\u624d\u5524\u9192\u7684\u8fdb\u7a0b\uff0c\u79f0\u4e3a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5982\u7535\u5b50\u90ae\u4ef6\u3001web\u9875\u9762\u3001\u65b0\u95fb\u3001\u6253\u5370\uff09<\/p>\n

\u4e00\u4e2a\u8fdb\u7a0b\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5f00\u542f\u4e86\u5b50\u8fdb\u7a0b\uff08\u5982nginx\u5f00\u542f\u591a\u8fdb\u7a0b\uff0cos.fork,subprocess.Popen\u7b49\uff09<\/p>\n

\u7528\u6237\u7684\u4ea4\u4e92\u5f0f\u8bf7\u6c42\uff0c\u800c\u521b\u5efa\u4e00\u4e2a\u65b0\u8fdb\u7a0b\uff08\u5982\u7528\u6237\u53cc\u51fb\u66b4\u98ce\u5f71\u97f3\uff09<\/p>\n

\u4e00\u4e2a\u6279\u5904\u7406\u4f5c\u4e1a\u7684\u521d\u59cb\u5316\uff08\u53ea\u5728\u5927\u578b\u673a\u7684\u6279\u5904\u7406\u7cfb\u7edf\u4e2d\u5e94\u7528\uff09<\/p>\n

\u65e0\u8bba\u54ea\u4e00\u79cd\uff0c\u65b0\u8fdb\u7a0b\u7684\u521b\u5efa\u90fd\u662f\u7531\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684\u8fdb\u7a0b\u6267\u884c\u4e86\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u800c\u521b\u5efa\u7684\uff1a<\/p>\n

\u5728UNIX\u4e2d\u8be5\u7cfb\u7edf\u8c03\u7528\u662f\uff1afork\uff0cfork\u4f1a\u521b\u5efa\u4e00\u4e2a\u4e0e\u7236\u8fdb\u7a0b\u4e00\u6a21\u4e00\u6837\u7684\u526f\u672c\uff0c\u4e8c\u8005\u6709\u76f8\u540c\u7684\u5b58\u50a8\u6620\u50cf\u3001\u540c\u6837\u7684\u73af\u5883\u5b57\u7b26\u4e32\u548c\u540c\u6837\u7684\u6253\u5f00\u6587\u4ef6\uff08\u5728shell\u89e3\u91ca\u5668\u8fdb\u7a0b\u4e2d\uff0c\u6267\u884c\u4e00\u4e2a\u547d\u4ee4\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff09<\/p>\n

\u5728windows\u4e2d\u8be5\u7cfb\u7edf\u8c03\u7528\u662f\uff1aCreateProcess\uff0cCreateProcess\u65e2\u5904\u7406\u8fdb\u7a0b\u7684\u521b\u5efa\uff0c\u4e5f\u8d1f\u8d23\u628a\u6b63\u786e\u7684\u7a0b\u5e8f\u88c5\u5165\u65b0\u8fdb\u7a0b\u3002\u3000<\/p>\n

\u5173\u4e8e\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\uff0cUNIX\u548cwindows<\/p>\n

\u76f8\u540c\u7684\u662f\uff1a\u8fdb\u7a0b\u521b\u5efa\u540e\uff0c\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u6709\u5404\u81ea\u4e0d\u540c\u7684\u5730\u5740\u7a7a\u95f4\uff08*\u591a\u9053\u6280\u672f\u8981\u6c42\u7269\u7406\u5c42\u9762\u5b9e\u73b0\u8fdb\u7a0b\u4e4b\u95f4\u5185\u5b58\u7684\u9694\u79bb*<\/em><\/strong>\uff09\uff0c\u4efb\u4f55\u4e00\u4e2a\u8fdb\u7a0b\u7684\u5728\u5176\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u5230\u53e6\u5916\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n

\u4e0d\u540c\u7684\u662f\uff1a\u5728UNIX\u4e2d\uff0c\u5b50\u8fdb\u7a0b\u7684\u521d\u59cb\u5730\u5740\u7a7a\u95f4\u662f\u7236\u8fdb\u7a0b\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u63d0\u793a\uff1a\u5b50\u8fdb\u7a0b\u548c\u7236\u8fdb\u7a0b\u662f\u53ef\u4ee5\u6709\u53ea\u8bfb\u7684\u5171\u4eab\u5185\u5b58\u533a\u7684\u3002\u4f46\u662f\u5bf9\u4e8ewindows\u7cfb\u7edf\u6765\u8bf4\uff0c\u4ece\u4e00\u5f00\u59cb\u7236\u8fdb\u7a0b\u4e0e\u5b50\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u5c31\u662f\u4e0d\u540c\u7684\u3002<\/p>\n

\u516d\u3001\u8fdb\u7a0b\u7684\u7ec8\u6b62\uff08\u4e86\u89e3\uff09<\/h2>\n

\u6b63\u5e38\u9000\u51fa\uff08\u81ea\u613f\uff0c\u5982\u7528\u6237\u70b9\u51fb\u4ea4\u4e92\u5f0f\u9875\u9762\u7684\u53c9\u53f7\uff0c\u6216\u7a0b\u5e8f\u6267\u884c\u5b8c\u6bd5\u8c03\u7528\u53d1\u8d77\u7cfb\u7edf\u8c03\u7528\u6b63\u5e38\u9000\u51fa\uff0c\u5728linux\u4e2d\u7528exit\uff0c\u5728windows\u4e2d\u7528ExitProcess\uff09<\/p>\n

\u51fa\u9519\u9000\u51fa\uff08\u81ea\u613f\uff0cpython a.py\u4e2da.py\u4e0d\u5b58\u5728\uff09<\/p>\n

\u4e25\u91cd\u9519\u8bef\uff08\u975e\u81ea\u613f\uff0c\u6267\u884c\u975e\u6cd5\u6307\u4ee4\uff0c\u5982\u5f15\u7528\u4e0d\u5b58\u5728\u7684\u5185\u5b58\uff0c1\/0\u7b49\uff0c\u53ef\u4ee5\u6355\u6349\u5f02\u5e38\uff0ctry\u2026except\u2026\uff09<\/p>\n

\u88ab\u5176\u4ed6\u8fdb\u7a0b\u6740\u6b7b\uff08\u975e\u81ea\u613f\uff0c\u5982kill -9\uff09<\/p>\n

\u4e03\u3001\u8fdb\u7a0b\u7684\u5c42\u6b21\u7ed3\u6784<\/h2>\n

\u65e0\u8bbaUNIX\u8fd8\u662fwindows\uff0c\u8fdb\u7a0b\u53ea\u6709\u4e00\u4e2a\u7236\u8fdb\u7a0b\uff0c\u4e0d\u540c\u7684\u662f\uff1a<\/p>\n

\u5728UNIX\u4e2d\u6240\u6709\u7684\u8fdb\u7a0b\uff0c\u90fd\u662f\u4ee5init\u8fdb\u7a0b\u4e3a\u6839\uff0c\u7ec4\u6210\u6811\u5f62\u7ed3\u6784\u3002\u7236\u5b50\u8fdb\u7a0b\u5171\u540c\u7ec4\u6210\u4e00\u4e2a\u8fdb\u7a0b\u7ec4\uff0c\u8fd9\u6837\uff0c\u5f53\u4ece\u952e\u76d8\u53d1\u51fa\u4e00\u4e2a\u4fe1\u53f7\u65f6\uff0c\u8be5\u4fe1\u53f7\u88ab\u9001\u7ed9\u5f53\u524d\u4e0e\u952e\u76d8\u76f8\u5173\u7684\u8fdb\u7a0b\u7ec4\u4e2d\u7684\u6240\u6709\u6210\u5458\u3002<\/p>\n

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tail -f access.log |<\/strong> grep ‘404’<\/p>\n

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\u56e0\u800c\u4e00\u4e2a\u8fdb\u7a0b\u7531\u4e09\u79cd\u72b6\u6001<\/p>\n

\"\"<\/div><\/p>\n

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\"\"<\/div><\/p>\n

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