{"id":311293,"date":"2024-05-20T22:11:40","date_gmt":"2024-05-20T14:11:40","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/311293.html"},"modified":"2024-05-20T22:11:49","modified_gmt":"2024-05-20T14:11:49","slug":"nodejs-%e4%b8%ad%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3-cpu-%e5%af%86%e9%9b%86%e5%9e%8b%e4%bb%bb%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/311293.html","title":{"rendered":"Nodejs \u4e2d\u600e\u4e48\u89e3\u51b3 CPU \u5bc6\u96c6\u578b\u4efb\u52a1"},"content":{"rendered":"

\"Nodejs<\/p>\n

\u89e3\u51b3Node.js\u4e2dCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u7b56\u7565\u5305\u62ec\u5229\u7528\u591a\u6838CPU\u3001\u4f7f\u7528Worker \u7ebf\u7a0b\u3001\u5f02\u6b65\u975e\u963b\u585eI\/O\u64cd\u4f5c<\/strong>\u7b49\u3002\u5176\u4e2d\uff0c\u5229\u7528\u591a\u6838CPU<\/strong>\u5c24\u4e3a\u5173\u952e\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u591a\u4e2a\u8fdb\u7a0b\u6765\u5145\u5206\u4f7f\u7528\u670d\u52a1\u5668\u4e0a\u7684\u591a\u6838CPU\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5229\u7528\u591a\u6838CPU<\/h3>\n<\/p>\n

\u5728Node.js\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7child_process\u6a21\u5757\u7684fork\u65b9\u6cd5\u521b\u5efa\u5b50\u8fdb\u7a0b\u3002\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684V8\u5b9e\u4f8b\u548c\u72ec\u7acb\u7684\u6267\u884c\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u5e76\u884c\u6267\u884cCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u4ece\u800c\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u901a\u8fc7\u5c06\u4e0d\u540c\u7684\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u670d\u52a1\u5668\u4e0a\u7684\u591a\u6838CPU\uff0c\u63d0\u9ad8\u5e94\u7528\u7684\u5904\u7406\u80fd\u529b\u3002<\/p>\n<\/p>\n

\u521b\u5efa\u5b50\u8fdb\u7a0b<\/h4>\n<\/p>\n

\u4f7f\u7528child_process<\/code>\u6a21\u5757\u7684fork<\/code>\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u521b\u5efa\u5b50\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u72ec\u7acb\u5730\u6267\u884c\u4efb\u52a1\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u53ef\u4ee5\u6839\u636eCPU\u6838\u5fc3\u7684\u6570\u91cf\u6765\u521b\u5efa\u76f8\u5e94\u6570\u91cf\u7684\u5b50\u8fdb\u7a0b\uff0c\u5e76\u901a\u8fc7\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08IPC\uff09\u6765\u534f\u8c03\u5b83\u4eec\u7684\u5de5\u4f5c\u3002<\/p>\n<\/p>\n

\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08IPC\uff09<\/h4>\n<\/p>\n

\u5b50\u8fdb\u7a0b\u521b\u5efa\u540e\uff0c\u4e3b\u8fdb\u7a0b\u4e0e\u5b50\u8fdb\u7a0b\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7IPC\u8fdb\u884c\u901a\u4fe1\u3002\u5b50\u8fdb\u7a0b\u5b8c\u6210\u4efb\u52a1\u540e\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u53d1\u9001\u56de\u4e3b\u8fdb\u7a0b\u3002\u8fd9\u4f7f\u5f97\u4e3b\u8fdb\u7a0b\u80fd\u591f\u6536\u96c6\u6240\u6709\u5b50\u8fdb\u7a0b\u7684\u5904\u7406\u7ed3\u679c\uff0c\u5e76\u5728\u6240\u6709\u5b50\u8fdb\u7a0b\u90fd\u5b8c\u6210\u5de5\u4f5c\u540e\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528Worker\u7ebf\u7a0b<\/h3>\n<\/p>\n

Worker\u7ebf\u7a0b\u662fNode.js\u63d0\u4f9b\u7684\u4e00\u4e2a\u5b9e\u9a8c\u6027\u529f\u80fd\uff0c\u5141\u8bb8\u6267\u884cJavaScript\u548cNode.js\u4ee3\u7801\u7684\u591a\u7ebf\u7a0b\u3002\u4f7f\u7528\u5b83\u53ef\u4ee5\u5728\u5355\u72ec\u7684\u7ebf\u7a0b\u4e2d\u8fd0\u884c\u811a\u672c\uff0c\u5b83\u9002\u7528\u4e8e\u6267\u884c\u90a3\u4e9b\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u4e3b\u7ebf\u7a0b\u7684\u8fd0\u884c\u3002<\/p>\n<\/p>\n

\u521b\u5efaWorker\u7ebf\u7a0b<\/h4>\n<\/p>\n

\u901a\u8fc7worker_threads<\/code>\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aWorker\u7ebf\u7a0b\uff0c\u5e76\u5728\u5176\u4e2d\u8fd0\u884cJS\u4ee3\u7801\u3002\u8fd9\u4e3a\u5206\u62c5\u4e3b\u7ebf\u7a0b\u7684CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6781\u597d\u7684\u9014\u5f84\u3002\u5728Worker\u7ebf\u7a0b\u4e2d\u6267\u884c\u7684\u4ee3\u7801\u53ef\u4ee5\u5229\u7528CPU\u8d44\u6e90\uff0c\u800c\u4e0d\u4f1a\u963b\u585e\u4e3b\u4e8b\u4ef6\u5faa\u73af\u3002<\/p>\n<\/p>\n

\u901a\u4fe1\u4e0e\u6570\u636e\u5171\u4eab<\/h4>\n<\/p>\n

\u4e3b\u7ebf\u7a0b\u548cWorker\u7ebf\u7a0b\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u673a\u5236\u76f8\u4e92\u901a\u4fe1\uff0c\u4f20\u8f93\u6570\u636e\u6216\u6307\u4ee4\u3002\u6b64\u5916\uff0cworker_threads<\/code>\u6a21\u5757\u8fd8\u63d0\u4f9b\u4e86SharedArrayBuffer<\/code>\u548cAtomics<\/code>API\uff0c\u8ba9\u4e0d\u540c\u7684\u7ebf\u7a0b\u53ef\u4ee5\u5b89\u5168\u5730\u5171\u4eab\u5185\u5b58\u6570\u636e\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5f02\u6b65\u975e\u963b\u585eI\/O\u64cd\u4f5c<\/h3>\n<\/p>\n

Node.js\u7684\u975e\u963b\u585eI\/O\u6a21\u578b\u662f\u5b83\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u5173\u952e\u6240\u5728\u3002\u867d\u7136\u8fd9\u4e0d\u76f4\u63a5\u89e3\u51b3CPU\u5bc6\u96c6\u578b\u7684\u95ee\u9898\uff0c\u4f46\u901a\u8fc7\u5c3d\u53ef\u80fd\u5730\u4f7f\u7528\u5f02\u6b65API\uff0c\u53ef\u4ee5\u4fdd\u6301\u5e94\u7528\u7684\u54cd\u5e94\u6027\uff0c\u51cf\u5c11\u5bf9CPU\u7684\u76f4\u63a5\u8d1f\u8377\u3002<\/p>\n<\/p>\n

\u5229\u7528\u5f02\u6b65API<\/h4>\n<\/p>\n

Node.js\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5f02\u6b65API\uff0c\u7528\u4e8e\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u3001\u6570\u636e\u5e93\u67e5\u8be2\u7b49\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u5f02\u6b65API\uff0c\u53ef\u4ee5\u786e\u4fdd\u5373\u4f7f\u5728\u5904\u7406CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\uff0c\u5e94\u7528\u4e5f\u80fd\u4fdd\u6301\u826f\u597d\u7684\u54cd\u5e94\u6027\u3002<\/p>\n<\/p>\n

\u4e8b\u4ef6\u5faa\u73af\u4e0e\u4efb\u52a1\u8c03\u5ea6<\/h4>\n<\/p>\n

Node.js\u7684\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\u5141\u8bb8\u5b83\u5728\u6267\u884cIO\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u8868\u73b0\u51fa\u8272\u3002\u7406\u89e3\u548c\u5229\u7528\u4e8b\u4ef6\u5faa\u73af\uff0c\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u7684Node.js\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002\u5408\u7406\u5229\u7528\u4e8b\u4ef6\u5faa\u73af\u548c\u4efb\u52a1\u8c03\u5ea6\u53ef\u4ee5\u6700\u5c0f\u5316CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5bf9\u4e3b\u7ebf\u7a0b\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n

\u56db\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n

\u5904\u7406Node.js\u4e2d\u7684CPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5173\u952e\u5728\u4e8e\u4e0d\u963b\u585e\u4e8b\u4ef6\u5faa\u73af\u548c\u5145\u5206\u5229\u7528\u670d\u52a1\u5668\u7684CPU\u8d44\u6e90\u3002\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\u7684\u7075\u6d3b\u8fd0\u7528\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8Node.js\u5e94\u7528\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7ed3\u5408\u9879\u76ee\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u6848\uff0c\u7075\u6d3b\u8fd0\u7528\u591a\u8fdb\u7a0b\u3001Worker\u7ebf\u7a0b\u548c\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\uff0c\u5c06\u662f\u63d0\u5347Node.js\u5e94\u7528\u5904\u7406\u80fd\u529b\u7684\u6709\u6548\u9014\u5f84\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u89e3\u51b3 CPU \u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u65b9\u6cd5\uff1f<\/strong><\/p>\n

CPU \u5bc6\u96c6\u578b\u4efb\u52a1\u662f\u6307\u90a3\u4e9b\u9700\u8981\u5927\u91cf\u8ba1\u7b97\u8d44\u6e90\u7684\u4efb\u52a1\uff0c\u5bf9\u4e8e Node.js \u6765\u8bf4\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u89e3\u51b3\uff1a<\/p>\n

    \n
  • \u4f7f\u7528 Worker \u7ebf\u7a0b\uff1aNode.js \u652f\u6301\u521b\u5efa\u591a\u4e2a Worker \u7ebf\u7a0b\u6765\u5e76\u884c\u5904\u7406\u4efb\u52a1\uff0c\u5c06\u5927\u91cf\u8ba1\u7b97\u5206\u6563\u5230\u4e0d\u540c\u7684\u7ebf\u7a0b\u4e2d\uff0c\u63d0\u9ad8 CPU \u7684\u5229\u7528\u7387\u3002<\/li>\n
  • \u4f7f\u7528\u5b50\u8fdb\u7a0b\uff1aNode.js \u7684 child_process \u6a21\u5757\u53ef\u4ee5\u542f\u52a8\u5b50\u8fdb\u7a0b\u6765\u6267\u884c\u4efb\u52a1\uff0c\u8fd9\u6837\u53ef\u4ee5\u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u8fdb\u7a0b\uff0c\u4ece\u800c\u5229\u7528\u591a\u6838 CPU\u3002<\/li>\n
  • \u4f7f\u7528\u96c6\u7fa4\u6a21\u5757\uff1aNode.js \u7684 cluster \u6a21\u5757\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u4e3b\u8fdb\u7a0b\u548c\u591a\u4e2a\u5de5\u4f5c\u8005\u8fdb\u7a0b\uff0c\u4e3b\u8fdb\u7a0b\u8d1f\u8d23\u63a5\u6536\u8bf7\u6c42\u5e76\u5206\u914d\u7ed9\u5de5\u4f5c\u8005\u8fdb\u7a0b\u5904\u7406\uff0c\u4ece\u800c\u63d0\u9ad8 CPU \u7684\u5229\u7528\u7387\u3002<\/li>\n<\/ul>\n

    2. \u5982\u4f55\u4f7f\u7528 Worker \u7ebf\u7a0b\u89e3\u51b3 CPU \u5bc6\u96c6\u578b\u4efb\u52a1\uff1f<\/strong><\/p>\n

    \u4f7f\u7528 Worker \u7ebf\u7a0b\u53ef\u4ee5\u5c06\u5927\u91cf\u8ba1\u7b97\u4efb\u52a1\u5206\u6563\u5230\u591a\u4e2a\u7ebf\u7a0b\u4e2d\uff0c\u4ee5\u63d0\u9ad8 CPU \u7684\u5229\u7528\u7387\u3002\u5728 Node.js \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u4f7f\u7528 Worker \u7ebf\u7a0b\uff1a<\/p>\n

      \n
    • \u521b\u5efa Worker \u7ebf\u7a0b\uff1a\u4f7f\u7528 Node.js \u7684 worker_threads \u6a21\u5757\u521b\u5efa\u4e00\u4e2a\u6216\u591a\u4e2a Worker \u7ebf\u7a0b\u3002<\/li>\n
    • \u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u7ebf\u7a0b\uff1a\u5c06\u5f85\u5904\u7406\u7684\u4efb\u52a1\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u5206\u914d\u7ed9\u5404\u4e2a Worker \u7ebf\u7a0b\u3002<\/li>\n
    • \u7ebf\u7a0b\u5904\u7406\u4efb\u52a1\uff1a\u6bcf\u4e2a Worker \u7ebf\u7a0b\u63a5\u6536\u5230\u4efb\u52a1\u540e\uff0c\u5728\u81ea\u5df1\u7684\u7ebf\u7a0b\u4e2d\u6267\u884c\u8ba1\u7b97\u64cd\u4f5c\u3002<\/li>\n
    • \u83b7\u53d6\u7ed3\u679c\uff1a\u5f53\u7ebf\u7a0b\u5b8c\u6210\u4efb\u52a1\u540e\uff0c\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u4e3b\u7ebf\u7a0b\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n

      3. \u4f7f\u7528\u96c6\u7fa4\u6a21\u5757\u53ef\u4ee5\u5982\u4f55\u89e3\u51b3 CPU \u5bc6\u96c6\u578b\u4efb\u52a1\uff1f<\/strong><\/p>\n

      Node.js \u7684 cluster \u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u4e3b\u8fdb\u7a0b\u548c\u591a\u4e2a\u5de5\u4f5c\u8005\u8fdb\u7a0b\u7684\u534f\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8 CPU \u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u5904\u7406\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u96c6\u7fa4\u6a21\u5757\u89e3\u51b3 CPU \u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6b65\u9aa4\uff1a<\/p>\n

        \n
      • \u521b\u5efa\u4e3b\u8fdb\u7a0b\uff1a\u4f7f\u7528 cluster \u6a21\u5757\u521b\u5efa\u4e00\u4e2a\u4e3b\u8fdb\u7a0b\u3002<\/li>\n
      • \u521b\u5efa\u5de5\u4f5c\u8005\u8fdb\u7a0b\uff1a\u4e3b\u8fdb\u7a0b\u4f7f\u7528 cluster.fork() \u65b9\u6cd5\u521b\u5efa\u591a\u4e2a\u5de5\u4f5c\u8005\u8fdb\u7a0b\u3002<\/li>\n
      • \u4efb\u52a1\u8c03\u5ea6\uff1a\u4e3b\u8fdb\u7a0b\u63a5\u6536\u5230\u4efb\u52a1\u540e\uff0c\u901a\u8fc7 round-robin \u6216\u5176\u4ed6\u8c03\u5ea6\u7b97\u6cd5\u5c06\u4efb\u52a1\u5206\u53d1\u7ed9\u4e0d\u540c\u7684\u5de5\u4f5c\u8005\u8fdb\u7a0b\u3002<\/li>\n
      • \u5e76\u884c\u6267\u884c\u4efb\u52a1\uff1a\u6bcf\u4e2a\u5de5\u4f5c\u8005\u8fdb\u7a0b\u5728\u81ea\u5df1\u7684\u8fdb\u7a0b\u4e2d\u5e76\u884c\u6267\u884c\u4efb\u52a1\uff0c\u4f7f\u7528\u5b8c\u540e\u8fd4\u56de\u7ed3\u679c\u7ed9\u4e3b\u8fdb\u7a0b\u3002<\/li>\n
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