{"id":10020660,"date":"2025-02-27T14:56:30","date_gmt":"2025-02-27T06:56:30","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020660"},"modified":"2025-02-27T14:56:30","modified_gmt":"2025-02-27T06:56:30","slug":"%e7%99%be%e4%b8%87%e7%ba%a7%e7%be%a4%e8%81%8a%e7%9a%84%e8%ae%be%e8%ae%a1%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020660","title":{"rendered":"\u767e\u4e07\u7ea7\u7fa4\u804a\u7684\u8bbe\u8ba1\u5b9e\u8df5"},"content":{"rendered":"<blockquote><p>\u4f5c\u8005\uff1a\u6765\u81ea vivo \u4e92\u8054\u7f51\u670d\u52a1\u5668\u56e2\u961f- Cai Linfeng<\/p><\/blockquote>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u670d\u52a1\u7aef\u5728\u642d\u5efa Web \u7248\u7684\u767e\u4e07\u4eba\u7ea7\u522b\u7684\u7fa4\u804a\u7cfb\u7edf\u65f6\uff0c\u9047\u5230\u7684\u6280\u672f\u6311\u6218\u548c\u89e3\u51b3\u601d\u8def\uff0c\u5185\u5bb9\u5305\u62ec\uff1a\u901a\u4fe1\u65b9\u6848\u9009\u578b\u3001\u6d88\u606f\u5b58\u50a8\u3001\u6d88\u606f\u6709\u5e8f\u6027\u3001\u6d88\u606f\u53ef\u9760\u6027\u3001\u672a\u8bfb\u6570\u7edf\u8ba1\u3002<\/p>\n<h2>\u4e00\u3001\u5f15\u8a00<\/h2>\n<p>\u73b0\u5728IM\u7fa4\u804a\u4ea7\u54c1\u591a\u79cd\u591a\u6837\uff0c\u6709\u56fd\u6c11\u7ea7\u7684\u5fae\u4fe1\u3001QQ\uff0c\u4f01\u4e1a\u7ea7\u7684\u9489\u9489\u3001\u98de\u4e66\uff0c\u8fd8\u6709\u8bb8\u591a\u516c\u53f8\u5185\u90e8\u7684IM\u5de5\u5177\uff0c\u8fd9\u4e9b\u90fd\u662f\u4ee5\u5ba2\u6237\u7aef\u4e3a\u4e3b\u8981\u8f7d\u4f53\uff0c\u800c\u4e14\u7fa4\u804a\u4eba\u6570\u901a\u5e38\u90fd\u662f\u6709\u9650\u5236\uff0c\u5fae\u4fe1\u6b63\u5e38\u7fa4\u4eba\u6570\u4e0a\u9650\u662f500\uff0cQQ2000\u4eba\uff0c\u6536\u8d39\u80fd\u8fbe\u52303000\u4eba\uff0c\u8fd9\u91cc\u56fa\u7136\u6709\u4ea7\u54c1\u8003\u91cf\uff0c\u4f46\u6280\u672f\u6210\u672c\u3001\u8d44\u6e90\u6210\u672c\u4e5f\u662f\u5f88\u5927\u7684\u56e0\u7d20\u3002\u800c\u7b14\u8005\u4e1a\u52a1\u573a\u666f\u4e0a\u9700\u8981\u4e00\u4e2a\u8fed\u4ee3\u66f4\u65b0\u5feb\u3001\u8f7b\u91cf\u7ea7\uff08\u4e0d\u4f9d\u8d56\u5ba2\u6237\u7aef\uff09\u3001\u5355\u7fa4\u767e\u4e07\u7fa4\u6210\u5458\u7684\u7eafH5\u7684IM\u4ea7\u54c1\uff0c\u672c\u6587\u5c06\u56de\u987e\u5b9e\u73b0\u4e00\u4e2a\u767e\u4e07\u4eba\u91cf\u7ea7\u7684\u7fa4\u804a\uff0c\u670d\u52a1\u5668\u4fa7\u9700\u8981\u8003\u8651\u7684\u8bbe\u8ba1\u8981\u70b9\uff0c\u5e0c\u671b\u53ef\u4ee5\u7ed9\u5230\u8bfb\u8005\u4e00\u4e9b\u542f\u53d1\u3002<\/p>\n<h2>\u4e8c\u3001\u80cc\u666f\u4ecb\u7ecd<\/h2>\n<p>\u4e0d\u540c\u7684\u7fa4\u804a\u4ea7\u54c1\uff0c\u91c7\u7528\u7684\u6280\u672f\u65b9\u6848\u662f\u4e0d\u540c\u7684\uff0c\u4e3a\u4e86\u7406\u89e3\u63a5\u4e0b\u6765\u7684\u6280\u672f\u9009\u578b\uff0c\u9700\u8981\u5148\u4e86\u89e3\u4e0b\u8fd9\u7fa4\u804a\u4ea7\u54c1\u7684\u7279\u6027\u3002<\/p>\n<ol>\n<li>\u5355\u7fa4\u6210\u5458\u9700\u8981\u652f\u6491\u767e\u4e07\u4eba\uff0c\u540c\u65f6\u5728\u7ebf\u767e\u4e07\u7ea7\u3002<\/li>\n<li>\u529f\u80fd\u3001\u4f53\u9a8c\u8981\u63a5\u8fd1\u7eaf\u5ba2\u6237\u7aef\u5b9e\u73b0\u65b9\u6848\u3002<\/li>\n<li>\u7528\u6237\u7aef\u5b8c\u5168\u7528H5\u627f\u8f7d\u3002<\/li>\n<\/ol>\n<h2>\u4e09\u3001\u901a\u4fe1\u6280\u672f<\/h2>\n<p>\u5373\u65f6\u901a\u4fe1\u5e38\u89c1\u7684\u901a\u4fe1\u6280\u672f\u6709\u77ed\u8f6e\u8be2\u3001\u957f\u8f6e\u8be2\u3001Server-Sent Events(SSE)\u3001Websocket\u3002\u77ed\u8f6e\u8be2\u548c\u957f\u8f6e\u8be2\u9002\u7528\u4e8e\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\uff0c\u6bd4\u5982\u8bba\u575b\u7684\u6d88\u606f\u63d0\u9192\u3002SSE \u9002\u7528\u4e8e\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u5355\u5411\u63a8\u9001\u7684\u573a\u666f\uff0c\u5982\u5b9e\u65f6\u65b0\u95fb\u3001\u80a1\u7968\u884c\u60c5\u3002Websocket \u9002\u7528\u4e8e\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\u7684\u573a\u666f\uff0c\u5b9e\u65f6\u6027\u597d\uff0c\u4e14\u670d\u52a1\u7aef\u3001\u524d\u7aef\u90fd\u6709\u6bd4\u8f83\u6210\u719f\u7684\u4e09\u65b9\u5305\uff0c\u5982 <a href=\"https:\/\/link.segmentfault.com\/?enc=KV%2FU2PTf1xf6woA8aQ8Yvw%3D%3D.z9pSkxEe0Dmo0R%2BZ7IVn4dILgvLvzZJQVf8ebOXPucs%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">socket.io<\/a>\uff0c\u6240\u4ee5\u8fd9\u5757\u5728\u65b9\u6848\u9009\u62e9\u4e2d\u662f\u6bd4\u8f83 easy \u7684\uff0c\u524d\u540e\u7aef\u4f7f\u7528 Websocket \u6765\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1\u3002<\/p>\n<h2>\u56db\u3001\u6d88\u606f\u5b58\u50a8<\/h2>\n<p>\u7fa4\u804a\u6d88\u606f\u7684\u4fdd\u5b58\u65b9\u5f0f\uff0c\u4e3b\u6d41\u67092\u79cd\u65b9\u5f0f\uff1a\u8bfb\u6269\u6563\u3001\u5199\u6269\u6563\u3002\u56fe1\u5c55\u793a\u4e86\u5b83\u4eec\u7684\u533a\u522b\uff0c\u533a\u522b\u5c31\u5728\u4e8e\u6d88\u606f\u662f\u5199\u4e00\u6b21\u8fd8\u662f\u5199N\u6b21\uff0c\u4ee5\u53ca\u5982\u4f55\u8bfb\u53d6\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153427\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\"><\/p>\n<p>\u56fe1<\/p>\n<p>\u8bfb\u6269\u6563\u5c31\u662f\u6240\u6709\u7fa4\u6210\u5458\u5171\u7528\u4e00\u4e2a\u7fa4\u4fe1\u7bb1\uff0c\u5f53\u4e00\u4e2a\u7fa4\u4ea7\u751f\u4e00\u6761\u6d88\u606f\u65f6\uff0c\u53ea\u9700\u8981\u5199\u5165\u8fd9\u4e2a\u7fa4\u7684\u4fe1\u7bb1\u5373\u53ef\uff0c\u6240\u6709\u7fa4\u6210\u5458\u4ece\u8fd9\u4e00\u4e2a\u4fe1\u7bb1\u91cc\u8bfb\u53d6\u7fa4\u6d88\u606f\u3002<\/p>\n<p>\u4f18\u70b9\u662f\u5199\u5165\u903b\u8f91\u7b80\u5355\uff0c\u5b58\u50a8\u6210\u672c\u4f4e\uff0c\u5199\u5165\u6548\u7387\u9ad8\u3002\u7f3a\u70b9\u662f\u8bfb\u53d6\u903b\u8f91\u76f8\u5bf9\u590d\u6742\uff0c\u8981\u901a\u8fc7\u6d88\u606f\u8868\u4e0e\u5176\u4ed6\u4e1a\u52a1\u8868\u6570\u636e\u805a\u5408\uff1b\u6d88\u606f\u5b9a\u5236\u5316\u5904\u7406\u590d\u6742\uff0c\u9700\u8981\u989d\u5916\u7684\u4e1a\u52a1\u8868\uff1b\u53ef\u80fd\u8fd8\u6709IO\u70ed\u70b9\u95ee\u9898\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<p>\u5f88\u5e38\u89c1\u7684\u573a\u666f\uff0c\u5c55\u793a\u7528\u6237\u5bf9\u6d88\u606f\u7684\u5df2\u8bfb\u672a\u8bfb\u72b6\u6001\uff0c\u8fd9\u4e2a\u65f6\u5019\u516c\u5171\u7fa4\u4fe1\u7bb1\u5c31\u65e0\u6cd5\u6ee1\u8db3\u8981\u6c42\uff0c\u5fc5\u987b\u589e\u52a0\u6d88\u606f\u5df2\u8bfb\u672a\u8bfb\u8868\u6765\u8bb0\u5f55\u76f8\u5173\u72b6\u6001\u3002\u8fd8\u6709\u7528\u6237\u5bf9\u67d0\u6761\u6d88\u606f\u7684\u5220\u9664\u72b6\u6001\uff0c\u7528\u6237\u53ef\u4ee5\u9009\u62e9\u5220\u9664\u4e00\u6761\u6d88\u606f\uff0c\u4f46\u662f\u5176\u4ed6\u4eba\u4ecd\u7136\u53ef\u4ee5\u770b\u5230\u5b83\uff0c\u6b64\u65f6\u4e5f\u4e0d\u9002\u5408\u5728\u516c\u5171\u7fa4\u4fe1\u7bb1\u91cc\u62d3\u5c55\uff0c\u4e5f\u9700\u8981\u7528\u5230\u53e6\u4e00\u5f20\u5173\u7cfb\u8868\uff0c\u603b\u800c\u8a00\u4e4b\u9488\u5bf9\u6d88\u606f\u505a\u7528\u6237\u7279\u5b9a\u529f\u80fd\u65f6\u5c31\u4f1a\u6bd4\u5199\u6269\u6563\u590d\u6742\u3002<\/p>\n<p>\u5199\u6269\u6563\u5c31\u662f\u6bcf\u4e2a\u7fa4\u6210\u5458\u62e5\u6709\u72ec\u7acb\u7684\u4fe1\u7bb1\uff0c\u6bcf\u4ea7\u751f\u4e00\u6761\u6d88\u606f\uff0c\u9700\u8981\u5199\u5165\u6240\u6709\u7fa4\u6210\u5458\u4fe1\u7bb1\uff0c\u7fa4\u6210\u5458\u5404\u81ea\u4ece\u81ea\u5df1\u7684\u4fe1\u7bb1\u5185\u8bfb\u53d6\u7fa4\u6d88\u606f\u3002\u4f18\u70b9\u662f\u8bfb\u53d6\u903b\u8f91\u7b80\u5355\uff0c\u9002\u5408\u6d88\u606f\u5b9a\u5236\u5316\u5904\u7406\uff0c\u4e0d\u5b58\u5728IO\u70ed\u70b9\u95ee\u9898\u3002\u7f3a\u70b9\u662f\u5199\u5165\u6548\u7387\u4f4e\uff0c\u4e14\u968f\u7740\u7fa4\u6210\u5458\u6570\u589e\u52a0\uff0c\u6548\u7387\u964d\u4f4e\uff1b\u5b58\u50a8\u6210\u672c\u5927\u3002<\/p>\n<p>\u6240\u4ee5\u5f53\u5355\u7fa4\u6210\u5458\u5728\u4e07\u7ea7\u4ee5\u4e0a\u65f6\uff0c\u7528\u5199\u6269\u6563\u5c31\u660e\u663e\u4e0d\u592a\u5408\u9002\u4e86\uff0c\u5199\u5165\u6548\u7387\u592a\u4f4e\uff0c\u800c\u4e14\u53ef\u80fd\u5b58\u5728\u5f88\u591a\u65e0\u6548\u5199\u5165\uff0c\u4e0d\u6d3b\u8dc3\u7684\u7fa4\u6210\u5458\u4e5f\u5fc5\u987b\u5f97\u6709\u4fe1\u7bb1\uff0c\u5b58\u50a8\u6210\u672c\u662f\u975e\u5e38\u5927\u7684\uff0c\u56e0\u6b64\u91c7\u7528\u8bfb\u6269\u6563\u662f\u6bd4\u8f83\u5408\u9002\u7684\u3002<\/p>\n<p>\u636e\u4e86\u89e3\uff0c\u5fae\u4fe1\u662f\u91c7\u7528\u5199\u6269\u6563\u6a21\u5f0f\uff0c\u5fae\u4fe1\u7fa4\u8bbe\u5b9a\u662f500\u4eba\u4e0a\u9650\uff0c\u5199\u6269\u6563\u7684\u7f3a\u70b9\u5f71\u54cd\u5c31\u6bd4\u8f83\u5c0f\u3002<\/p>\n<h2>\u4e94\u3001\u67b6\u6784\u8bbe\u8ba1<\/h2>\n<h3>5.1 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\u957f\u8fde\u63a5\u3002<\/li>\n<li>\u8fde\u63a5\u670d\u52a1\u7ba1\u7406\u4f1a\u8bdd\uff0c\u7ba1\u7406\u7fa4\u4e0e\u7528\u6237\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5728\u672c\u5730\u5185\u5b58\u91cc\u4f7f\u7528\u54c8\u5e0c\u8868\u5b58\u50a8\uff0ckey\u4e3agroupId\uff0cvalue\u4e3aList&lt;SocketIOClient&gt;\uff0c\u540c\u4e00\u4e2a\u7fa4\u7684\u7528\u6237\u53ef\u80fd\u4f1a\u5728\u4e0d\u540c\u7684\u96c6\u7fa4\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<li>\u8fde\u63a5\u670d\u52a1\u5411\u7fa4\u7ec4\u670d\u52a1\u4e0a\u62a5\u7fa4\u7ec4\u8def\u7531\uff0c\u4e0a\u62a5\u5b83\u7684\u5185\u7f51IP\u548c\u5b83\u6240\u7ba1\u7406\u7684 groupIdList \u7684\u5173\u7cfb\uff0c\u8fd9\u91cc\u9700\u89812\u79cd\u540c\u6b65\u7b56\u7565\u5e76\u884c\u4fdd\u8bc1\u7fa4\u7ec4\u8def\u7531\u4fe1\u606f\u7684\u51c6\u786e\u6027\uff1aa.\u5728\u7528\u6237\u5efa\u7acb\u3001\u65ad\u5f00\u957f\u8fde\u63a5\u65f6\u5373\u523b\u4e0a\u62a5\uff1bb.\u5b9a\u65f6\u4e0a\u62a5\u3002<\/li>\n<li>\u7fa4\u7ec4\u670d\u52a1\u7ba1\u7406\u7fa4\u7ec4\u8def\u7531\uff0c\u4f7f\u7528\u8fdc\u7a0b\u4e2d\u5fc3\u7f13\u5b58 Redis \u7ba1\u7406 groupId \u548c\u8fde\u63a5\u670d\u52a1\u5668IP\u7684\u5173\u7cfb\uff0ckey \u4e3a groupId\uff0cvalue \u4e3a List\uff0c\u8be5IP\u4e3a\u8fde\u63a5\u670d\u52a1\u7684\u5185\u7f51IP\u5730\u5740\uff0c\u8fd9\u91cc\u4f1a\u505a\u4e0a\u62a5\u7684\u5fc3\u8df3\u5224\u65ad\uff0c\u8d85\u8fc73\u4e2a\u5fc3\u8df3\u5468\u671f\u4e0d\u4e0a\u62a5\uff0c\u5219\u8ba4\u4e3a\u5df2\u65ad\u7ebf\u3002<\/li>\n<li>\u7528\u6237\u5728\u7fa4\u91cc\u53d1\u5e03\u4e00\u6761\u6d88\u606f\uff0c\u6d88\u606f\u901a\u8fc7 Websokcet \u9001\u8fbe\u8fde\u63a5\u670d\u52a1\uff0c\u7136\u540e\u7ecf\u8fc7\u8fde\u63a5\u670d\u52a1\u2014\u2014&gt;\u6d88\u606f\u961f\u5217\u2014\u2014&gt;\u7fa4\u7ec4\u670d\u52a1\uff0c\u6d88\u606f\u5728\u7fa4\u7ec4\u670d\u52a1\u91cc\u7ecf\u8fc7\u9891\u63a7\u3001\u5b89\u5168\u68c0\u67e5\u3001\u683c\u5f0f\u8f6c\u6362\u7b49\u4e00\u7cfb\u5217\u6d41\u7a0b\u540e\u5165\u5e93\uff0c\u6301\u4e45\u5316\u3002<\/li>\n<li>\u7fa4\u7ec4\u670d\u52a1\u901a\u8fc7\u7fa4\u7ec4\u8def\u7531\u7ba1\u7406\u83b7\u53d6\u8fd9\u6761\u6d88\u606f\u6240\u5c5e\u7fa4\u7684\u8def\u7531\u4fe1\u606f\uff0c\u5373\u4e00\u7ec4\u8fde\u63a5\u670d\u52a1\u7684IP\u5730\u5740\uff0c\u7136\u540e\u901a\u8fc7 HTTP \u56de\u8c03\u5bf9\u5e94\u7684\u8fde\u63a5\u670d\u52a1\uff0c\u901a\u77e5\u5b83\u4eec\u6709\u65b0\u6d88\u606f\u4ea7\u751f\uff0c\u8fd9\u91cc\u53ea\u7b80\u5355\u4f20\u9012\u6d88\u606fID\u3002<\/li>\n<li>\u8fde\u63a5\u670d\u52a1\u6536\u5230 HTTP \u8bf7\u6c42\u540e\uff0c\u6839\u636e\u4f1a\u8bdd\u7ba1\u7406\u67e5\u8be2\u8be5\u7fa4\u6240\u6709\u7528\u6237\uff0c\u7ed9\u7528\u6237\u53d1\u9001\u65b0\u6d88\u606f\u63d0\u9192\u3002<\/li>\n<li>\u7528\u6237\u6536\u5230\u65b0\u6d88\u606f\u63d0\u9192\uff0c\u901a\u8fc7 Websocket \u6765\u8fde\u63a5\u670d\u52a1\u62c9\u53d6\u8be5\u65b0\u6d88\u606f\u5177\u4f53\u8be6\u60c5\uff0c\u7136\u540e\u6839\u636e\u6d88\u606f\u534f\u8bae\u5c55\u793a\u5728\u4fe1\u606f\u6d41\u91cc\u3002<\/li>\n<\/ol>\n<h3>5.2 \u8def\u7531\u7b56\u7565<\/h3>\n<p>\u7528\u6237\u5e94\u8be5\u8fde\u63a5\u5230\u54ea\u4e00\u53f0\u8fde\u63a5\u670d\u52a1\u5462\uff1f\u8fd9\u4e2a\u8fc7\u7a0b\u91cd\u70b9\u8003\u8651\u5982\u4e0b2\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u5c3d\u91cf\u4fdd\u8bc1\u5404\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\u5747\u8861\uff1b<\/li>\n<li>\u589e\u5220\u8282\u70b9\u662f\u5426\u8981\u505a Rebalance\u3002<\/li>\n<\/ol>\n<p>\u4fdd\u8bc1\u5747\u8861\u6709\u5982\u4e0b\u51e0\u4e2a\u7b97\u6cd5\uff1a<\/p>\n<ol>\n<li><strong>\u8f6e\u8be2<\/strong>\uff1a\u6328\u4e2a\u5c06\u5404\u4e2a\u8282\u70b9\u5206\u914d\u7ed9\u5ba2\u6237\u7aef\uff0c\u4f46\u4f1a\u51fa\u73b0\u65b0\u589e\u8282\u70b9\u5206\u914d\u4e0d\u5747\u5300\u7684\u60c5\u51b5\uff1b<\/li>\n<li><strong>\u53d6\u6a21<\/strong>\uff1a\u7c7b\u4f3c\u4e8e HashMap\uff0c\u4f46\u4e5f\u4f1a\u51fa\u73b0\u8f6e\u8be2\u7684\u95ee\u9898\u3002\u5f53\u7136\u4e5f\u53ef\u4ee5\u50cf HashMap \u90a3\u6837\u505a\u4e00\u6b21 Rebalance\uff0c\u8ba9\u6240\u6709\u7684\u5ba2\u6237\u7aef\u91cd\u65b0\u8fde\u63a5\u3002\u4e0d\u8fc7\u8fd9\u6837\u4f1a\u5bfc\u81f4\u6240\u6709\u7684\u8fde\u63a5\u51fa\u73b0\u4e2d\u65ad\u91cd\u8fde\uff0c\u4ee3\u4ef7\u6709\u70b9\u5927\u3002\u7531\u4e8e Hash \u53d6\u6a21\u65b9\u5f0f\u7684\u95ee\u9898\u5e26\u6765\u4e86\u4e00\u81f4\u6027 Hash \u7b97\u6cd5\uff0c\u4f46\u4f9d\u7136\u4f1a\u6709\u4e00\u90e8\u5206\u7684\u5ba2\u6237\u7aef\u9700\u8981 Rebalance\uff1b<\/li>\n<li><strong>\u6743\u91cd<\/strong>\uff1a\u53ef\u4ee5\u624b\u52a8\u8c03\u6574\u5404\u4e2a\u8282\u70b9\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u751a\u81f3\u53ef\u4ee5\u505a\u6210\u81ea\u52a8\u7684\uff0c\u57fa\u4e8e\u76d1\u63a7\u5f53\u67d0\u4e9b\u8282\u70b9\u8d1f\u8f7d\u8f83\u9ad8\u5c31\u81ea\u52a8\u8c03\u4f4e\u6743\u91cd\uff0c\u8d1f\u8f7d\u8f83\u4f4e\u7684\u53ef\u4ee5\u63d0\u9ad8\u6743\u91cd\uff1b\u7b14\u8005\u662f\u91c7\u7528\u8f6e\u8be2 + \u6743\u91cd\u6a21\u5f0f\uff0c\u5c3d\u91cf\u4fdd\u8bc1\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<\/ol>\n<h3>5.3 \u91cd\u8fde\u673a\u5236<\/h3>\n<p>\u5f53\u5e94\u7528\u5728\u6269\u7f29\u5bb9\u6216\u91cd\u542f\u5347\u7ea7\u65f6\uff0c\u5728\u8be5\u8282\u70b9\u4e0a\u7684\u5ba2\u6237\u7aef\u600e\u4e48\u5904\u7406\uff1f\u7531\u4e8e\u8bbe\u8ba1\u6709\u5fc3\u8df3\u673a\u5236\uff0c\u5f53\u5fc3\u8df3\u4e0d\u901a\u6216\u76d1\u542c\u8fde\u63a5\u65ad\u5f00\u65f6\uff0c\u5c31\u8ba4\u4e3a\u8be5\u8282\u70b9\u6709\u95ee\u9898\u4e86\uff0c\u5c31\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\uff1b\u5982\u679c\u5ba2\u6237\u7aef\u6b63\u5728\u53d1\u9001\u6d88\u606f\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u5c06\u6d88\u606f\u4e34\u65f6\u4fdd\u5b58\u4f4f\uff0c\u7b49\u5f85\u91cd\u65b0\u8fde\u63a5\u4e0a\u540e\u518d\u6b21\u53d1\u9001\u3002<\/p>\n<h3>5.4 \u7ebf\u7a0b\u7b56\u7565<\/h3>\n<p>\u5c06\u8fde\u63a5\u670d\u52a1\u91cc\u7684IO\u7ebf\u7a0b\u4e0e\u4e1a\u52a1\u7ebf\u7a0b\u9694\u79bb\uff0c\u63d0\u5347\u6574\u4f53\u6027\u80fd\uff0c\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5145\u5206\u5229\u7528\u591a\u6838\u7684\u5e76\u884c\u5904\u7406\u80fd\u529b\uff1aIO\u7ebf\u7a0b\u548c\u4e1a\u52a1\u7ebf\u7a0b\u9694\u79bb\uff0c\u53cc\u65b9\u90fd\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u7f51\u7edcIO\u548c\u4e1a\u52a1\u903b\u8f91\uff0c\u5145\u5206\u5229\u7528\u8ba1\u7b97\u673a\u591a\u6838\u5e76\u884c\u8ba1\u7b97\u80fd\u529b\uff0c\u63d0\u5347\u6027\u80fd\uff1b<\/li>\n<li>\u6545\u969c\u9694\u79bb\uff1a\u4e1a\u52a1\u7ebf\u7a0b\u5904\u7406\u591a\u79cd\u4e1a\u52a1\u6d88\u606f\uff0c\u6709IO\u5bc6\u96c6\u578b\uff0c\u4e5f\u6709 CPU \u5bc6\u96c6\u578b\uff0c\u6709\u4e9b\u662f\u7eaf\u5185\u5b58\u8ba1\u7b97\uff0c\u4e0d\u540c\u7684\u4e1a\u52a1\u5904\u7406\u65f6\u5ef6\u548c\u6545\u969c\u7387\u662f\u4e0d\u540c\u7684\u3002\u5982\u679c\u628a\u4e1a\u52a1\u7ebf\u7a0b\u548cIO\u7ebf\u7a0b\u5408\u5e76\uff0c\u5c31\u4f1a\u6709\u5982\u4e0b\u95ee\u9898\uff1a\u67d0\u7c7b\u4e1a\u52a1\u5904\u7406\u8f83\u6162\uff0c\u963b\u585eIO\u7ebf\u7a0b\uff0c\u5bfc\u81f4\u5176\u4ed6\u5904\u7406\u8f83\u5feb\u7684\u4e1a\u52a1\u6d88\u606f\u54cd\u5e94\u4e0d\u53ca\u65f6\uff1b<\/li>\n<li>\u53ef\u7ef4\u62a4\u6027\uff1aIO\u7ebf\u7a0b\u548c\u4e1a\u52a1\u7ebf\u7a0b\u9694\u79bb\u4e4b\u540e\uff0c\u804c\u8d23\u5355\u4e00\uff0c\u6709\u5229\u4e8e\u7ef4\u62a4\u548c\u5b9a\u4f4d\u95ee\u9898\u3002<\/li>\n<\/ol>\n<h3>5.5 \u6709\u72b6\u6001\u94fe\u63a5<\/h3>\n<p>\u5728\u8fd9\u6837\u7684\u573a\u666f\u4e2d\u4e0d\u50cf HTTP \u90a3\u6837\u662f\u65e0\u72b6\u6001\u7684\uff0c\u9700\u8981\u660e\u786e\u77e5\u9053\u5404\u4e2a\u5ba2\u6237\u7aef\u548c\u8fde\u63a5\u7684\u5173\u7cfb\u3002\u6bd4\u5982\u9700\u8981\u5411\u5ba2\u6237\u7aef\u5e7f\u64ad\u7fa4\u6d88\u606f\u65f6\uff0c\u9996\u5148\u5f97\u77e5\u9053\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4f1a\u8bdd\u4fdd\u5b58\u5728\u54ea\u4e2a\u8fde\u63a5\u670d\u52a1\u8282\u70b9\u4e0a\uff0c\u81ea\u7136\u8fd9\u91cc\u9700\u8981\u5f15\u5165\u7b2c\u4e09\u65b9\u4e2d\u95f4\u4ef6\u6765\u5b58\u50a8\u8fd9\u4e2a\u5173\u7cfb\u3002\u901a\u8fc7\u7531\u8fde\u63a5\u670d\u52a1\u4e3b\u52a8\u4e0a\u62a5\u7ed9\u7fa4\u7ec4\u670d\u52a1\u6765\u5b9e\u73b0\uff0c\u4e0a\u62a5\u65f6\u673a\u662f\u5ba2\u6237\u7aef\u63a5\u5165\u548c\u65ad\u5f00\u8fde\u63a5\u670d\u52a1\u4ee5\u53ca\u5468\u671f\u6027\u7684\u5b9a\u65f6\u4efb\u52a1\u3002<\/p>\n<h3>5.6 \u7fa4\u7ec4\u8def\u7531<\/h3>\n<p>\u8bbe\u60f3\u8fd9\u6837\u4e00\u4e2a\u573a\u666f\uff1a\u9700\u8981\u7ed9\u7fa4\u6240\u6709\u6210\u5458\u63a8\u9001\u4e00\u6761\u6d88\u606f\u600e\u4e48\u505a\uff1f\u901a\u8fc7\u7fa4\u7f16\u53f7\u53bb\u524d\u9762\u7684\u8def\u7531 Redis \u83b7\u53d6\u5bf9\u5e94\u7fa4\u7684\u8fde\u63a5\u670d\u52a1\u7ec4\uff0c\u518d\u901a\u8fc7 HTTP \u65b9\u5f0f\u8c03\u7528\u8fde\u63a5\u670d\u52a1\uff0c\u901a\u8fc7\u8fde\u63a5\u670d\u52a1\u4e0a\u7684\u957f\u8fde\u63a5\u4f1a\u8bdd\u8fdb\u884c\u771f\u6b63\u7684\u6d88\u606f\u4e0b\u53d1\u3002<\/p>\n<h3>5.7 \u6d88\u606f\u6d41\u8f6c<\/h3>\n<p>\u8fde\u63a5\u670d\u52a1\u76f4\u63a5\u63a5\u6536\u7528\u6237\u7684\u4e0a\u884c\u6d88\u606f\uff0c\u8003\u8651\u5230\u6d88\u606f\u91cf\u53ef\u80fd\u975e\u5e38\u5927\uff0c\u5728\u8fde\u63a5\u670d\u52a1\u91cc\u505a\u4e1a\u52a1\u663e\u7136\u4e0d\u5408\u9002\uff0c\u8fd9\u91cc\u5b8c\u5168\u53ef\u4ee5\u9009\u62e9 Kafka \u6765\u89e3\u8026\uff0c\u5c06\u6240\u6709\u7684\u4e0a\u884c\u6d88\u606f\u76f4\u63a5\u4e22\u5230 Kafka \u5c31\u4e0d\u7ba1\u4e86\uff0c\u6d88\u606f\u7531\u7fa4\u7ec4\u670d\u52a1\u6765\u5904\u7406\u3002<\/p>\n<h2>\u516d\u3001\u6d88\u606f\u987a\u5e8f<\/h2>\n<h3>6.1 \u4e71\u5e8f\u73b0\u8c61<\/h3>\n<p>\u4e3a\u4ec0\u4e48\u8981\u8bb2\u6d88\u606f\u987a\u5e8f\uff0c\u6765\u770b\u4e00\u4e2a\u573a\u666f\u3002\u5047\u8bbe\u7fa4\u91cc\u6709\u7528\u6237A\u3001\u7528\u6237B\u3001\u7528\u6237C\u3001\u7528\u6237D\uff0c\u4e0b\u9762\u4ee5 ABCD \u4ee3\u66ff\uff0c\u5047\u8bbeA\u53d1\u9001\u4e863\u6761\u6d88\u606f\uff0c\u987a\u5e8f\u5206\u522b\u662f msg1\u3001msg2\u3001msg3\uff0c\u4f46B\u3001C\u3001D\u770b\u5230\u7684\u6d88\u606f\u987a\u5e8f\u4e0d\u4e00\u81f4\uff0c\u5982\u56fe4\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153430\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u56fe4<\/p>\n<p>\u8fd9\u65f6B\u3001C\u3001D\u80af\u5b9a\u4f1a\u89c9\u5f97A\u5728\u80e1\u8a00\u4e71\u8bed\u4e86\uff0c\u8fd9\u6837\u7684\u4ea7\u54c1\u7528\u6237\u5fc5\u5b9a\u662f\u4e0d\u559c\u6b22\u7684\uff0c\u56e0\u6b64\u5fc5\u987b\u8981\u4fdd\u8bc1\u6240\u6709\u63a5\u6536\u65b9\u770b\u5230\u7684\u6d88\u606f\u5c55\u793a\u987a\u5e8f\u662f\u4e00\u81f4\u7684\u3002<\/p>\n<h3>6.2 \u539f\u56e0\u5206\u6790<\/h3>\n<p>\u6240\u4ee5\u5148\u4e86\u89e3\u4e0b\u6d88\u606f\u53d1\u9001\u7684\u5b8f\u89c2\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\u53d1\u9001\u65b9\u53d1\u9001\u6d88\u606f\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u63a5\u6536\u6d88\u606f\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u8fd4\u56de ACK \u6d88\u606f\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u63a8\u9001\u65b0\u6d88\u606f\u6216\u5ba2\u6237\u7aef\u62c9\u53d6\u65b0\u6d88\u606f\u3002<\/li>\n<\/ol>\n<p>\u5728\u4e0a\u9762\u7684\u8fc7\u7a0b\u4e2d\uff0c\u90fd\u53ef\u80fd\u4ea7\u751f\u987a\u5e8f\u95ee\u9898\uff0c\u7b80\u8981\u5206\u6790\u51e0\u70b9\u539f\u56e0\uff1a<\/p>\n<ol>\n<li><strong>\u65f6\u949f\u4e0d\u4e00\u81f4<\/strong>\uff1a\u591a\u4e2a\u5ba2\u6237\u7aef\u3001\u670d\u52a1\u7aef\u96c6\u7fa4\u3001DB\u96c6\u7fa4\uff0c\u65f6\u949f\u4e0d\u80fd\u4fdd\u8bc1\u5b8c\u5168\u4e00\u81f4\uff0c\u56e0\u6b64\u4e0d\u80fd\u7528\u672c\u5730\u65f6\u95f4\u6765\u51b3\u5b9a\u6d88\u606f\u987a\u5e8f\u3002<\/li>\n<li><strong>\u7f51\u7edc\u4f20\u8f93<\/strong>\uff1a\u53d1\u9001\u6d88\u606f\u73af\u8282\uff0c\u5148\u53d1\u540e\u81f3\uff0c\u5230\u8fbe\u670d\u52a1\u5668\u7684\u987a\u5e8f\u53ef\u80fd\u662f msg2\u3001msg1\u3001msg3\u3002<\/li>\n<li><strong>\u591a\u7ebf\u7a0b<\/strong>\uff1a\u670d\u52a1\u5668\u8003\u8651\u6027\u80fd\u3001\u541e\u5410\u91cf\uff0c\u5f80\u5f80\u4f1a\u5728\u591a\u5904\u73af\u8282\u91c7\u7528\u7ebf\u7a0b\u6c60\u3001\u5f02\u6b65\u53bb\u63d0\u5347\u6574\u4f53\u901f\u5ea6\uff0c\u56e0\u6b64\u4e5f\u4f1a\u4ea7\u751f\u987a\u5e8f\u95ee\u9898\u3002<\/li>\n<\/ol>\n<h3>6.3 \u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>6.3.1\u00a0\u5355\u7528\u6237\u4fdd\u6301\u6709\u5e8f<\/h4>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5206\u6790\u53ef\u4ee5\u77e5\u9053\uff0c\u5176\u5b9e\u65e0\u6cd5\u4fdd\u8bc1\u6216\u662f\u65e0\u6cd5\u8861\u91cf\u4e0d\u540c\u7528\u6237\u4e4b\u95f4\u7684\u6d88\u606f\u987a\u5e8f\uff0c\u90a3\u4e48\u53ea\u9700\u4fdd\u8bc1\u540c\u4e00\u4e2a\u7528\u6237\u7684\u6d88\u606f\u662f\u6709\u5e8f\u7684\uff0c\u4fdd\u8bc1\u4e0a\u4e0b\u6587\u8bed\u4e49\uff0c\u6240\u4ee5\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u6bd4\u8f83\u6734\u7d20\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a\u4ee5\u670d\u52a1\u7aef\u6570\u636e\u5e93\u7684\u552f\u4e00\u81ea\u589eID\u4e3a\u6807\u5c3a\u6765\u8861\u91cf\u6d88\u606f\u7684\u65f6\u5e8f\uff0c\u7136\u540e\u8ba9\u540c\u4e00\u4e2a\u7528\u6237\u7684\u6d88\u606f\u5904\u7406\u4e32\u884c\u5316\u3002\u90a3\u4e48\u5c31\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6280\u672f\u624b\u6bb5\u914d\u5408\u6765\u89e3\u51b3\uff1a<\/p>\n<ol>\n<li>\u53d1\u9001\u6d88\u606f\u4f7f\u7528 Websocket \u53d1\u9001\uff0c\u5e76\u4e14\u591a\u6b21\u53d1\u9001\u4fdd\u6301\u540c\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u90a3\u4e48 tcp \u534f\u8bae\u5c31\u4fdd\u8bc1\u4e86\u5e94\u7528\u5c42\u6536\u5230\u7684\u6d88\u606f\u5fc5\u5b9a\u662f\u6709\u5e8f\u7684\u3002<\/li>\n<li>\u5728\u5e94\u7528\u7a0b\u5e8f\u5185\u90e8\u5904\u7406\u65f6\uff0c\u6d89\u53ca\u76f8\u5173\u591a\u7ebf\u7a0b\u7684\u6a21\u5757\uff0c\u6839\u636e uid \u8fdb\u884c hash\uff0c\u5339\u914d\u4e00\u4e2a\u5355\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u6c60\uff0c\u5373\u540c\u4e00\u4e2a uid \u7684\u6d88\u606f\u6c38\u8fdc\u7528\u540c\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u5904\u7406\uff0c\u4e0d\u540c\u7528\u6237\u4e4b\u95f4\u4ecd\u662f\u5e76\u884c\u5904\u7406\u3002<\/li>\n<li>\u5728\u8de8\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u4e00\u822c\u67092\u79cd\u5904\u7406\u65b9\u5f0f\uff1a\u4e00\u662f\u7528 rpc \u540c\u6b65\u8c03\u7528\uff1b\u4e8c\u662f\u5229\u7528\u6d88\u606f\u4e2d\u95f4\u4ef6\u7684\u5168\u5c40\u6709\u5e8f\u3002<\/li>\n<li>\u7528\u6237\u7aef\u4e0a\u505a\u6d88\u606f\u53d1\u9001\u9891\u7387\u9650\u5236\uff0c2\u6b21\u53d1\u9001\u5fc5\u987b\u95f4\u96941\u79d2\uff0c\u80fd\u5927\u5927\u964d\u4f4e\u4e71\u5e8f\u7684\u53ef\u80fd\u6027\u4e86\u3002<\/li>\n<\/ol>\n<h4>6.3.2\u00a0\u63a8\u62c9\u7ed3\u5408<\/h4>\n<p>\u5230\u8fd9\u91cc\u57fa\u672c\u89e3\u51b3\u4e86\u540c\u4e00\u4e2a\u7528\u6237\u7684\u6d88\u606f\u53ef\u4ee5\u6309\u7167\u4ed6\u81ea\u5df1\u53d1\u51fa\u7684\u987a\u5e8f\u5165\u5e93\u7684\u95ee\u9898\uff0c\u5373\u89e3\u51b3\u4e86\u6d88\u606f\u53d1\u9001\u6d41\u7a0b\u91cc\u7b2c\u4e00\u3001\u4e8c\u6b65\u3002<\/p>\n<p>\u7b2c\u4e09\u3001\u56db\u6b65\u5b58\u5728\u7684\u95ee\u9898\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p>A\u53d1\u9001\u4e86 msg1\u3001msg2\u3001msg3\uff0cB\u53d1\u9001\u4e86 msg4\u3001msg5\u3001msg6\uff0c\u6700\u7ec8\u670d\u52a1\u7aef\u7684\u5165\u5e93\u987a\u5e8f\u662fmsg1\u3001msg2\u3001msg4\u3001msg3\u3001msg5\u3001msg6\uff0c\u90a3\u9664\u4e86A\u548cB\u5176\u4ed6\u4eba\u7684\u6d88\u606f\u987a\u5e8f\u9700\u8981\u6309\u7167\u5165\u5e93\u987a\u5e8f\u6765\u5c55\u793a\uff0c\u800c\u8fd9\u91cc\u7684\u95ee\u9898\u662f\u670d\u52a1\u7aef\u8003\u91cf\u63a8\u9001\u541e\u5410\u91cf\uff0c\u5728\u63a8\u9001\u73af\u8282\u662f\u5e76\u53d1\u7684\uff0c\u5373\u53ef\u80fd msg4 \u6bd4 msg1 \u5148\u63a8\u9001\u5230\u7528\u6237\u7aef\u4e0a\uff0c\u5982\u679c\u6309\u7167\u63a8\u9001\u987a\u5e8f\u8ffd\u52a0\u6765\u5c55\u793a\uff0c\u90a3\u4e48\u5c31\u4e0e\u9884\u671f\u4e0d\u7b26\u4e86\uff0c\u6bcf\u4e2a\u4eba\u770b\u5230\u7684\u6d88\u606f\u987a\u5e8f\u90fd\u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u5982\u679c\u7528\u6237\u7aef\u6309\u7167\u6d88\u606f\u7684id\u5927\u5c0f\u8fdb\u884c\u6bd4\u8f83\u63d2\u5165\u7684\u8bdd\uff0c\u7528\u6237\u4f53\u9a8c\u5c06\u4f1a\u6bd4\u8f83\u5947\u602a\uff0c\u7a81\u7136\u4f1a\u57282\u4e2a\u6d88\u606f\u4e2d\u95f4\u51fa\u73b0\u4e00\u6761\u6d88\u606f\u3002\u6240\u4ee5\u8fd9\u91cc\u91c7\u7528\u63a8\u62c9\u7ed3\u5408\u65b9\u5f0f\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u7528\u6237\u7aef\u53d1\u51fa\u6d88\u606f\uff0c\u670d\u52a1\u7aef\u5c06\u6d88\u606f\u4ee5\u7fa4\u7ef4\u5ea6\u6309\u7167\u6d88\u606f\u7684\u5165\u5e93\u987a\u5e8f\u7f13\u5b58\u5728 Redis \u6709\u5e8f SET\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u63a8\u9001\u7ed9\u7528\u6237\u7aef\u65b0\u6d88\u606f\u63d0\u9192\uff0c\u5185\u5bb9\u662f\u8be5\u65b0\u6d88\u606f\u7684id\u3002<\/li>\n<li>\u7528\u6237\u7aef\u62c9\u53d6\u6d88\u606f\uff0c\u643a\u5e262\u4e2a\u6d88\u606fid\uff0cstartId \u548c endId\uff0cstartId\uff1a\u672c\u5730\u6700\u65b0\u7684\u5b8c\u6574\u6d88\u606fid\uff1bendId\uff1a\u670d\u52a1\u7aef\u63a8\u9001\u5f97\u5230\u7684\u65b0\u6d88\u606fid\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u8fd4\u56de2\u4e2a\u6d88\u606fid\u533a\u95f4\u5185\u7684\u6d88\u606f\u5217\u8868\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153431\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u56fe5<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153432\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u56fe6<\/p>\n<p>\u4e3e\u4f8b\uff0c\u56fe5\u8868\u793a\u670d\u52a1\u7aef\u7684\u6d88\u606f\u987a\u5e8f\uff0c\u56fe6\u8868\u793a\u7528\u6237\u7aef\u62c9\u53d6\u6d88\u606f\u65f6\u672c\u5730\u6d88\u606f\u961f\u5217\u548c\u63d0\u9192\u961f\u5217\u7684\u53d8\u5316\u903b\u8f91\u3002<\/p>\n<ol>\n<li>t1\u65f6\u523b\u7528\u6237\u672c\u5730\u6700\u65b0\u7684\u5b8c\u6574\u6d88\u606f\u662f msg1\uff0c\u5373\u8fd9\u6761\u6d88\u606f\u5df2\u7ecf\u5b8c\u6574\u5c55\u793a\u7ed9\u7528\u6237\u3002<\/li>\n<li>t2\u65f6\u523b\u6536\u5230\u670d\u52a1\u7aef\u63a8\u9001\u7684 msg3 \u65b0\u6d88\u606f\u63d0\u9192\uff0c\u653e\u5230\u63d0\u9192\u961f\u5217\uff0c\u6b64\u65f6\u7528\u6237\u770b\u4e0d\u5230\u8fd9\u6761\u6d88\u606f\u3002<\/li>\n<li>t3\u65f6\u523b\u5411\u670d\u52a1\u7aef\u62c9\u53d6\u6d88\u606f\u8be6\u60c5\uff0c\u8bf7\u6c42\u53c2\u6570\u4e3a startId\uff1amsg1\uff0cendId\uff1amsg3\uff0c\u670d\u52a1\u7aef\u4f1a\u6309\u987a\u5e8f\u4e00\u8d77\u8fd4\u56de2\u4e2a\u6d88\u606f\u533a\u95f4\u5185\u7684\u6240\u6709\u6d88\u606f\u7684\u8be6\u60c5\u5373 msg2\u3001msg4\u3001msg3\uff0c\u5c06\u6d88\u606f\u8be6\u60c5\u540c\u6b65\u5199\u5165\u5230\u6d88\u606f\u961f\u5217\uff0c\u6b64\u65f6\u7528\u6237\u53ef\u4ee5\u770b\u5230\u5237\u65b0\u51fa3\u6761\u6d88\u606f\u3002<\/li>\n<li>t4\u65f6\u523b\u7528\u6237\u8fd8\u4f1a\u6536\u5230 msg2\u3001msg4 \u7684\u65b0\u6d88\u606f\u63d0\u9192\uff0c\u7528\u6237\u7aef\u6821\u9a8c\u6d88\u606f\u961f\u5217\u5df2\u7ecf\u5b58\u5728 msg2\u3001msg4 \u7684\u8be6\u60c5\uff0c\u5ffd\u7565\u8be5\u65b0\u6d88\u606f\u63d0\u9192\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u63a8\u62c9\u7ed3\u5408\u7684\u65b9\u5f0f\u53ef\u4ee5\u4fdd\u8bc1\u6240\u6709\u7528\u6237\u6536\u5230\u7684\u6d88\u606f\u5c55\u793a\u987a\u5e8f\u4e00\u81f4\u3002\u7ec6\u5fc3\u7684\u8bfb\u8005\u53ef\u80fd\u4f1a\u6709\u7591\u95ee\uff0c\u5982\u679c\u804a\u5929\u4fe1\u606f\u6d41\u91cc\u6709\u81ea\u5df1\u53d1\u9001\u7684\u6d88\u606f\uff0c\u90a3\u4e48\u53ef\u80fd\u4e0e\u5176\u4ed6\u7684\u4eba\u770b\u5230\u7684\u4e0d\u4e00\u81f4\uff0c\u8fd9\u662f\u56e0\u4e3a\u81ea\u5df1\u7684\u6d88\u606f\u5c55\u793a\u4e0d\u4f9d\u8d56\u62c9\u53d6\uff0c\u9700\u8981\u5373\u65f6\u5c55\u793a\uff0c\u7ed9\u7528\u6237\u7acb\u523b\u53d1\u9001\u6210\u529f\u7684\u4f53\u9a8c\uff0c\u540c\u65f6\u5176\u4ed6\u4eba\u4e5f\u53ef\u80fd\u4e5f\u5728\u53d1\u9001\uff0c\u6700\u7ec8\u53ef\u80fd\u6bd4\u4ed6\u5148\u5165\u5e93\uff0c\u4e3a\u4e86\u4e0d\u51fa\u73b0\u4fe1\u606f\u6d41\u4e2d\u95f4\u63d2\u5165\u6d88\u606f\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u53ea\u80fd\u5c06\u4ed6\u4eba\u7684\u65b0\u6d88\u606f\u8ffd\u52a0\u5728\u81ea\u5df1\u7684\u6d88\u606f\u540e\u9762\u3002\u6240\u4ee5\u5982\u679c\u4f5c\u4e3a\u53d1\u9001\u8005\uff0c\u6d88\u606f\u987a\u5e8f\u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u4f46\u662f\u4f5c\u4e3a\u7eaf\u63a5\u6536\u8005\uff0c\u5927\u5bb6\u7684\u6d88\u606f\u987a\u5e8f\u90fd\u662f\u4e00\u6837\u7684\u3002<\/p>\n<h2>\u4e03\u3001\u6d88\u606f\u53ef\u9760\u6027<\/h2>\n<p>\u5728IM\u7cfb\u7edf\u4e2d\uff0c\u6d88\u606f\u7684\u53ef\u9760\u6027\u540c\u6837\u975e\u5e38\u91cd\u8981\uff0c\u5b83\u4e3b\u8981\u4f53\u73b0\u5728\uff1a<\/p>\n<ol>\n<li><strong>\u6d88\u606f\u4e0d\u4e22\u5931<\/strong>\uff1a\u5bf9\u53d1\u9001\u4eba\u6765\u8bf4\uff0c\u5fc5\u987b\u4fdd\u8bc1\u6d88\u606f\u80fd\u5165\u5e93\uff1b\u5bf9\u63a5\u6536\u8005\u6765\u8bf4\uff0c\u4e0d\u7ba1\u662f\u5728\u7ebf\u8fd8\u662f\u79bb\u7ebf\uff0c\u90fd\u80fd\u4fdd\u8bc1\u6536\u5230\u3002\u4f46\u662f\u8fd9\u91cc\u7684\u4e0d\u4e22\u5931\uff0c\u53ea\u662f\u8bf4\u4ee5\u6700\u5927\u52aa\u529b\u53bb\u4fdd\u8bc1\uff0c\u5e76\u4e0d\u662f\u8bf4\u5b8c\u5168\u4e0d\u4e22\u5931\u3002<\/li>\n<li><strong>\u6d88\u606f\u4e0d\u91cd\u590d<\/strong>\uff1a\u8fd9\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u540c\u4e00\u6761\u6d88\u606f\u4e0d\u80fd\u91cd\u590d\u51fa\u73b0\u3002<\/li>\n<\/ol>\n<h3>7.1 \u6d88\u606f\u4e0d\u4e22\u5931\u8bbe\u8ba1<\/h3>\n<ol>\n<li><strong>\u4f20\u8f93\u534f\u8bae\u4fdd\u969c<\/strong>\uff1a\u9996\u5148 TCP \u662f\u53ef\u9760\u7684\u534f\u8bae\uff0c\u80fd\u8f83\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u6d88\u606f\u4e0d\u4e22\u5931\u3002<\/li>\n<li><strong>\u589e\u52a0ACK\u673a\u5236<\/strong>\uff1a\u670d\u52a1\u7aef\u5728\u6267\u884c\u5b8c\u6d88\u606f\u5904\u7406\u7684\u6240\u6709\u6d41\u7a0b\u540e\uff0c\u7ed9\u53d1\u9001\u8005\u53d1\u9001 ACK\uff1b\u5047\u5982\u53d1\u9001\u8005\u5728\u8d85\u65f6\u65f6\u95f4\u5185\u6ca1\u6709\u6536\u5230 ACK \u6d88\u606f\uff0c\u5219\u8fdb\u884c\u4e00\u5b9a\u6b21\u6570\u7684\u91cd\u8bd5\uff0c\u91cd\u65b0\u53d1\u9001\uff1b\u5f53\u91cd\u53d1\u6b21\u6570\u8d85\u8fc7\u9884\u8bbe\u6b21\u6570\uff0c\u5c31\u4e0d\u518d\u91cd\u53d1\uff0c\u6d88\u606f\u53d1\u9001\u5931\u8d25\u3002<\/li>\n<li><strong>\u6700\u7ec8\u4e00\u81f4\u6027<\/strong>\uff1a\u8fd9\u662f\u5bf9\u63a5\u6536\u8005\u800c\u8a00\uff0c\u5982\u679c\u67d0\u6761\u65b0\u6d88\u606f\u63d0\u9192\u56e0\u7f51\u7edc\u7b49\u5176\u4ed6\u539f\u56e0\u4e22\u5931\uff0c\u7528\u6237\u6ca1\u6709\u6536\u5230\u8fd9\u6761\u6d88\u606f\u63d0\u9192\uff0c\u90a3\u4e48\u7528\u6237\u5c31\u4e0d\u4f1a\u53bb\u62c9\u6d88\u606f\u8be6\u60c5\uff0c\u5728\u7528\u6237\u89c6\u89d2\u5c31\u662f\u6ca1\u6709\u770b\u5230\u8fd9\u6761\u6d88\u606f\u3002\u4f46\u662f\u5f53\u540e\u7eed\u7684\u65b0\u6d88\u606f\u63d0\u9192\u9001\u8fbe\u65f6\uff0c\u53ef\u4ee5\u4f9d\u8d56\u524d\u9762\u63d0\u5230\u7684\u62c9\u53d6\u673a\u5236\u62ff\u5230\u4e00\u4e2a\u533a\u95f4\u5185\u7684\u6d88\u606f\u5217\u8868\uff0c\u8fd9\u91cc\u5c31\u5305\u542b\u4e86\u4e22\u5931\u7684\u6d88\u606f\uff0c\u56e0\u6b64\u80fd\u8fbe\u5230\u6700\u7ec8\u4e00\u81f4\u6027\u3002<\/li>\n<\/ol>\n<h3>7.2 \u6d88\u606f\u4e0d\u91cd\u590d\u8bbe\u8ba1<\/h3>\n<ol>\n<li><strong>\u589e\u52a0UUID<\/strong>\uff1a\u6bcf\u6761\u6d88\u606f\u589e\u52a0 UUID\uff0c\u7531\u5ba2\u6237\u7aef\u521b\u5efa\u6d88\u606f\u65f6\u751f\u6210\uff0c\u540c\u4e00\u4e2a\u7528\u6237\u7684\u6d88\u606f UUID \u552f\u4e00\u3002<\/li>\n<li><strong>\u670d\u52a1\u7aef<\/strong>\uff1a\u7528\u6237 ID+UUID \u5728\u6570\u636e\u5e93\u505a\u8054\u5408\u552f\u4e00\u7d22\u5f15\uff0c\u4fdd\u8bc1\u6570\u636e\u5c42\u9762\u6d88\u606f\u4e0d\u91cd\u590d\u3002<\/li>\n<li><strong>\u7528\u6237\u7aef<\/strong>\uff1a\u8fdb\u884c\u515c\u5e95\uff0c\u6784\u9020\u4e00\u4e2amap\u6765\u7ef4\u62a4\u5df2\u63a5\u6536\u6d88\u606f\u7684id\uff0c\u5f53\u6536\u5230id\u91cd\u590d\u7684\u6d88\u606f\u65f6\u76f4\u63a5\u4e22\u5f03\u3002<\/li>\n<\/ol>\n<h2>\u516b\u3001\u672a\u8bfb\u6570\u7edf\u8ba1<\/h2>\n<p>\u4e3a\u4e86\u63d0\u9192\u7528\u6237\u6709\u65b0\u6d88\u606f\uff0c\u9700\u8981\u7ed9\u7528\u6237\u5c55\u793a\u65b0\u6d88\u606f\u63d0\u9192\u6807\u8bc6\uff0c\u4ea7\u54c1\u8bbe\u8ba1\u4e0a\u4e00\u822c\u6709\u5c0f\u7ea2\u70b9\u3001\u5177\u4f53\u7684\u6570\u503c2\u79cd\u65b9\u5f0f\u3002\u5177\u4f53\u6570\u503c\u6bd4\u5c0f\u7ea2\u70b9\u8981\u590d\u6742\uff0c\u8fd9\u91cc\u5206\u6790\u4e0b\u5177\u4f53\u6570\u503c\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u8fd8\u9700\u8981\u5206\u4e3a\u521d\u59cb\u6253\u5f00\u7fa4\u548c\u5df2\u6253\u5f00\u7fa42\u4e2a\u573a\u666f\u3002<\/p>\n<p><strong>\u5df2\u6253\u5f00\u7fa4<\/strong>\uff1a\u53ef\u4ee5\u5b8c\u5168\u4f9d\u8d56\u7528\u6237\u7aef\u672c\u5730\u7edf\u8ba1\uff0c\u7528\u6237\u7aef\u83b7\u53d6\u5230\u65b0\u6d88\u606f\u540e\uff0c\u5c31\u5c06\u672a\u8bfb\u6570\u7d2f\u8ba1\u52a01\uff0c\u7b49\u70b9\u8fdb\u53bb\u67e5\u770b\u540e\uff0c\u6e05\u7a7a\u672a\u8bfb\u6570\u7edf\u8ba1\uff0c\u8fd9\u4e2a\u6bd4\u8f83\u7b80\u5355\u3002<\/p>\n<p><strong>\u521d\u59cb\u6253\u5f00\u7fa4<\/strong>\uff1a\u7531\u4e8e\u7528\u6237\u7aef\u91c7\u7528H5\u5f00\u53d1\uff0c\u7528\u6237\u7aef\u6ca1\u6709\u7f13\u5b58\uff0c\u6ca1\u6709\u80fd\u529b\u7f13\u5b58\u6700\u8fd1\u7684\u5df2\u8bfb\u6d88\u606f\u6e38\u6807\uff0c\u56e0\u6b64\u8fd9\u91cc\u5b8c\u5168\u9700\u8981\u670d\u52a1\u7aef\u6765\u7edf\u8ba1\uff0c\u5728\u6253\u5f00\u7fa4\u65f6\u4e0b\u53d1\u6700\u65b0\u7684\u804a\u5929\u4fe1\u606f\u6d41\u548c\u672a\u8bfb\u6570\uff0c\u4e0b\u9762\u5177\u4f53\u8bb2\u4e0b\u8fd9\u4e2a\u573a\u666f\u4e0b\u8be5\u600e\u4e48\u8bbe\u8ba1\u3002<\/p>\n<p>\u65e2\u7136\u7531\u670d\u52a1\u7aef\u7edf\u8ba1\u672a\u8bfb\u6570\uff0c\u90a3\u4e48\u5c11\u4e0d\u4e86\u8981\u4fdd\u5b58\u7528\u6237\u5728\u67d0\u4e2a\u7fa4\u91cc\u5df2\u7ecf\u8bfb\u5230\u54ea\u4e2a\u6d88\u606f\uff0c\u7c7b\u4f3c\u4e00\u4e2a\u6e38\u6807\uff0c\u7528\u6237\u5df2\u8bfb\u6d88\u606f\uff0c\u6e38\u6807\u5f80\u524d\u8d70\u3002\u7528\u6237\u5df2\u8bfb\u6d88\u606f\u5b58\u50a8\u8868\u8bbe\u8ba1\u5982\u56fe7\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153433\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u56fe7<\/p>\n<p>\u6e38\u6807offset\u91c7\u7528\u5b9a\u65f6\u66f4\u65b0\u7b56\u7565\uff0c\u8fde\u63a5\u670d\u52a1\u4f1a\u8bb0\u5f55\u7528\u6237\u6700\u8fd1\u4e00\u6b21\u62c9\u53d6\u5230\u7684\u6d88\u606fID\uff0c\u5b9a\u65f6\u5f02\u6b65\u4e0a\u62a5\u6279\u91cf\u7528\u6237\u5230\u7fa4\u7ec4\u670d\u52a1\u66f4\u65b0 offset\u3002<\/p>\n<p>\u8be5\u8868\u7b2c\u4e00\u884c\u8868\u793a\u7528\u62371\u5728 id=89 \u7684\u7fa4\u91cc\uff0c\u6700\u65b0\u7684\u5df2\u8bfb\u6d88\u606f\u662fid=1022\u6d88\u606f\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684SQL\u6765\u7edf\u8ba1\u4ed6\u5728\u8fd9\u4e2a\u7fa4\u91cc\u7684\u672a\u8bfb\u6570\uff1aselect count(1) from msg_info where groupId = 89 and id &gt; 1022\u3002\u4f46\u662f\u4e8b\u60c5\u5e76\u6ca1\u8fd9\u4e48\u7b80\u5355\uff0c\u4e00\u4e2a\u7528\u6237\u6709\u5f88\u591a\u7fa4\uff0c\u6bcf\u4e2a\u7fa4\u90fd\u8981\u5c55\u793a\u672a\u8bfb\u6570\uff0c\u56e0\u6b64\u8981\u6c42\u672a\u8bfb\u6570\u7edf\u8ba1\u7684\u7a0b\u5e8f\u6548\u7387\u8981\u9ad8\uff0c\u4e0d\u7136\u7528\u6237\u4f53\u9a8c\u5c31\u5f88\u5dee\uff0c\u5f88\u660e\u663e\u8fd9\u4e2a SQL \u7684\u8017\u65f6\u6ce2\u52a8\u5f88\u5927\uff0c\u53d6\u51b3\u4e8e offset \u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u5f88\u9760\u540e\uff0cSQL \u6267\u884c\u65f6\u95f4\u4f1a\u975e\u5e38\u957f\u3002\u7b14\u8005\u901a\u8fc72\u4e2a\u7b56\u7565\u6765\u4f18\u5316\u8fd9\u4e2a\u573a\u666f:<\/p>\n<ol>\n<li>\u8c03\u6574\u4ea7\u54c1\u8bbe\u8ba1\uff1a\u672a\u8bfb\u6570\u6700\u5927\u663e\u793a\u8c03\u6574\u4e3a99+\u3002\u7b97\u662f\u4ea7\u54c1\u4e0a\u7684\u4e00\u4e2a\u8ba9\u6b65\uff0c\u6709\u5f88\u591a\u4ea7\u54c1\u4e5f\u91c7\u7528\u8fd9\u4e2a\u65b9\u6848\uff0c\u6240\u4ee5\u7528\u6237\u4e5f\u662f\u6709\u8fd9\u4e2a\u5fc3\u667a\u7684\uff0c99+\u8868\u793a\u201c\u6709\u5f88\u591a\u65b0\u6d88\u606f\u201d\uff0c\u81f3\u4e8e\u5177\u4f53\u591a\u5c11\uff0c\u662f\u51e0\u767e\u3001\u51e0\u5343\u5f88\u591a\u65f6\u5019\u4e0d\u662f\u7279\u522b\u91cd\u8981\u3002\u6240\u4ee5\u95ee\u9898\u5c31\u53d8\u5f97\u7b80\u5355\u591a\u4e86\uff0c\u53ea\u8981\u8ba1\u7b97\u6e38\u6807\u662f\u5426\u5728\u6700\u65b0\u7684100\u6761\u6d88\u606f\u4ee5\u5185\u8fd8\u662f\u4ee5\u5916\u3002<\/li>\n<li>\u5408\u7406\u5229\u7528\u6570\u636e\u7ed3\u6784\uff1a\u56e0\u4e3a\u6709\u7fa4\u5185\u6709\u5f88\u591a\u4eba\uff0c\u6bcf\u4e2a\u4eba\u767b\u5f55\u7684\u65f6\u5019\u90fd\u9700\u8981\u7edf\u8ba1\uff0c\u6240\u4ee5\u6bcf\u6b21\u90fd\u53bb\u67e5 MySQL \u662f\u6bd4\u8f83\u4f4e\u6548\u7684\uff0c\u56e0\u6b64\u7b14\u8005\u7684\u65b9\u6848\u662f\u5728 Redis \u91cc\u8bbe\u8ba1\u4e00\u4e2a\u6709\u754c\u7684ZSET\u7ed3\u6784\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046153434\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u56fe8<\/p>\n<p>\u5982\u4e0a\u56fe8\u6240\u793a\uff0c\u6bcf\u4e2a\u7fa4\u90fd\u4f1a\u6784\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a100\uff0cscore \u548c member \u90fd\u662f\u6d88\u606fID\uff0c\u53ef\u4ee5\u901a\u8fc7 zrevrank \u547d\u4ee4\u5f97\u5230\u67d0\u4e2a offset \u7684\u6392\u540d\u503c\uff0c\u8be5\u503c\u53ef\u4ee5\u6362\u7b97\u6210\u672a\u8bfb\u6570\u3002\u6bd4\u5982\uff1a\u7528\u62371\u5728\u7fa489\u7684\u672a\u8bfb\u6d88\u606f\u6570\uff0c&#8217;zrevrank 89 1022&#8242; = 2\uff0c\u4e5f\u5c31\u662f\u67092\u6761\u672a\u8bfb\u6570\u3002\u7528\u62372\u5728\u7fa489\u7684\u672a\u8bfb\u6570\uff0c&#8217;zrevrank 89 890&#8242; = nil\uff0c\u90a3\u4e48\u672a\u8bfb\u6570\u5c31\u662f99+\u3002\u540c\u65f6\u6d88\u606f\u65b0\u589e\u3001\u5220\u9664\u90fd\u9700\u8981\u540c\u6b65\u7ef4\u62a4\u8be5\u6570\u636e\u7ed3\u6784\uff0c\u5931\u6548\u6216\u4e0d\u5b58\u5728\u65f6\u4ece MySQL \u521d\u59cb\u5316\u3002<\/p>\n<h2>\u4e5d\u3001\u8d85\u5927\u7fa4\u7b56\u7565<\/h2>\n<p>\u524d\u9762\u63d0\u5230\uff0c\u8bbe\u8ba1\u76ee\u6807\u662f\u5728\u540c\u4e00\u4e2a\u7fa4\u91cc\u80fd\u652f\u6491\u767e\u4e07\u4eba\uff0c\u4ece\u67b6\u6784\u4e0a\u53ef\u4ee5\u770b\u5230\uff0c\u8fde\u63a5\u670d\u52a1\u5904\u4e8e\u6d41\u91cf\u6700\u524d\u7aef\uff0c\u6240\u4ee5\u5b83\u7684\u627f\u8f7d\u529b\u76f4\u63a5\u51b3\u5b9a\u4e86\u540c\u65f6\u5728\u7ebf\u7528\u6237\u7684\u4e0a\u9650\u3002<\/p>\n<p>\u5f71\u54cd\u5b83\u7684\u56e0\u7d20\u6709\uff1a<\/p>\n<ol>\n<li>\u670d\u52a1\u5668\u81ea\u8eab\u914d\u7f6e\uff1a\u5185\u5b58\u3001CPU\u3001\u7f51\u5361\u3001Linux \u652f\u6301\u7684\u6700\u5927\u6587\u4ef6\u6253\u5f00\u6570\uff1b<\/li>\n<li>\u5e94\u7528\u81ea\u8eab\u914d\u7f6e\uff1a\u5e94\u7528\u672c\u8eab\u542f\u52a8\u9700\u8981\u7684\u5185\u5b58\uff0c\u5982 Netty \u4f9d\u8d56\u7684\u5806\u5916\u5185\u5b58\uff0c\u5927\u91cf\u7684\u672c\u5730\u7f13\u5b58\uff1b<\/li>\n<li>\u6027\u80fd\u8981\u6c42\uff1a\u5f53\u8fde\u63a5\u6570\u4e0d\u65ad\u53d8\u5927\u65f6\uff0c\u6d88\u606f\u5206\u53d1\u7684\u6574\u4f53\u8017\u65f6\u80af\u5b9a\u5728\u4e0d\u65ad\u589e\u52a0\uff0c\u56e0\u6b64\u8981\u5173\u6ce8\u6700\u6162\u7684\u5206\u53d1\u8017\u65f6\u8981\u6ee1\u8db3\u5373\u65f6\u6027\u8981\u6c42\uff1b\u7ed3\u5408\u4ee5\u4e0a\u60c5\u51b5\uff0c\u53ef\u4ee5\u6d4b\u8bd5\u51fa\u56fa\u5b9a\u914d\u7f6e\u670d\u52a1\u5668\u5355\u70b9\u80fd\u652f\u6301\u7684\u6700\u5927\u7528\u6237\u8fde\u63a5\u6570\uff0c\u5047\u5982\u5355\u673a\u80fd\u652f\u630120000\u4e2a\u7528\u6237\u8fde\u63a5\uff0c\u90a3\u4e48\u767e\u4e07\u5728\u7ebf\u8fde\u63a5\uff0c\u5728\u8fde\u63a5\u670d\u52a1\u5c42\u752850\u4e2a\u670d\u52a1\u7684\u96c6\u7fa4\u5c31\u80fd\u89e3\u51b3\u3002<\/li>\n<\/ol>\n<h3>9.1 \u6d88\u606f\u98ce\u66b4<\/h3>\n<p>\u5f53\u540c\u65f6\u5728\u7ebf\u7528\u6237\u6570\u975e\u5e38\u591a\uff0c\u4f8b\u5982\u767e\u4e07\u65f6\uff0c\u4f1a\u9762\u4e34\u5982\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol>\n<li><strong>\u6d88\u606f\u53d1\u9001\u98ce\u66b4<\/strong>\uff1a\u6781\u7aef\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u540c\u65f6\u53d1\u9001\u6d88\u606f\uff0c\u5047\u8bbe\u670d\u52a1\u7aef\u627f\u8f7d\u4f4f\u4e86\u8fd9\u4e9b\u6d41\u91cf\uff0c\u90a3\u4e48\u74f6\u9888\u5176\u5b9e\u5728\u7528\u6237\u7aef\uff0c\u7b2c\u4e00\u7528\u6237\u7aef\u4f1a\u7ecf\u5386\u7f51\u7edc\u98ce\u66b4\uff0c\u7f51\u5361\u5e26\u5bbd\u80fd\u5426\u652f\u6491\u662f\u4e00\u4e2a\u5927\u95ee\u9898\uff1b\u7b2c\u4e8c\u5047\u8bbe\u7f51\u5361\u80fd\u901a\u8fc7\u8fd9\u4e9b\u6d41\u91cf\uff0c\u7528\u6237\u7aef\u4e0a\u767e\u4e07\u6761\u6d88\u606f\u8be5\u5982\u4f55\u5c55\u793a\uff0c\u8981\u662f\u77ac\u95f4\u5237\u51fa\u8fd9\u4e9b\u6d88\u606f\uff0c\u7528\u6237\u7aef CPU\u80fd\u5426\u6491\u4f4f\u53c8\u662f\u4e2a\u95ee\u9898\uff0c\u5373\u4f7f\u80fd\u6297\u4f4f\u7528\u6237\u4f53\u9a8c\u4e5f\u5f88\u7cdf\u7cd5\uff0c\u6839\u672c\u5c31\u770b\u4e0d\u6e05\u6d88\u606f\uff0c\u4e00\u76f4\u5728\u98de\u901f\u5237\u5c4f\u3002\u56e0\u6b64\u670d\u52a1\u7aef\u53ef\u4ee5\u5728\u53d1\u9001\u6d88\u606f\u98ce\u66b4\u65f6\u505a\u597d\u9650\u6d41\u3001\u4e22\u5f03\u7b56\u7565\uff0c\u7ed9\u5230\u7528\u6237\u53cb\u597d\u7684\u63d0\u793a\u3002<\/li>\n<li><strong>\u6d88\u606f\u63d0\u9192\u98ce\u66b4<\/strong>\uff1a\u4e00\u6761\u65b0\u6d88\u606f\u7684\u4ea7\u751f\uff0c\u5c31\u8981\u63a8\u9001\u63d0\u9192\u6d88\u606f\u767e\u4e07\u6b21\uff0c\u5bf9\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u8981\u8003\u91cf\u6574\u4f53\u63a8\u9001\u5b8c\u6210\u7684\u65f6\u6548\u6027\uff0c\u5982\u679c\u65f6\u6548\u6027\u5dee\uff0c\u5bf9\u6709\u4e9b\u7528\u6237\u6765\u8bf4\uff0c\u5c31\u662f\u6d88\u606f\u9700\u8981\u8f83\u957f\u65f6\u95f4\u624d\u5237\u51fa\u6765\uff0c\u51fa\u73b0\u660e\u663e\u7684\u5ef6\u8fdf\u3002\u65b0\u6d88\u606f\u6301\u4e45\u5316\u540e\uff0c\u7fa4\u7ec4\u670d\u52a1 HTTP \u56de\u8c03\u4e00\u7ec4\u8fde\u63a5\u670d\u52a1\uff0c\u5355\u7fa4\u767e\u4e07\u5728\u7ebf\u7528\u6237\uff0c\u9700\u898150\u53f0\u8fde\u63a5\u670d\u52a1\u96c6\u7fa4\uff0c\u90a3\u4e48\u56de\u8c0350\u6b21\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u65f6\u6548\u6027\uff0c\u56e0\u6b64\u8fd9\u91cc\u8981\u5e76\u53d1\u56de\u8c03\uff0c\u5e76\u8bbe\u7f6e\u5408\u7406\u7684\u7ebf\u7a0b\u6c60\uff0c\u7136\u540e\u8fde\u63a5\u670d\u52a1\u6536\u5230\u56de\u8c03\u540e\u4e5f\u9700\u8981\u5e76\u53d1\u5b8c\u6210\u5bf9\u7fa4\u7528\u6237\u7684\u65b0\u6d88\u606f\u63d0\u9192\u63a8\u9001\u3002<\/li>\n<li><strong>\u6d88\u606f\u62c9\u53d6\u98ce\u66b4<\/strong>\uff1a\u8fde\u63a5\u670d\u52a1\u6536\u5230\u62c9\u53d6\u6d88\u606f\u4e8b\u4ef6\uff0c\u9700\u8981\u53bb\u7fa4\u7ec4\u670d\u52a1\u83b7\u53d6\u6d88\u606f\u8be6\u60c5\uff0cQPS \u5c31\u975e\u5e38\u9ad8\u4e86\uff0c\u7406\u8bba\u4e0a\u96c6\u7fa4\u8fbe\u5230 100wQPS\uff0c20\u53f0\u7fa4\u7ec4\u670d\u52a1\uff0c\u90a3\u4e48\u6bcf\u53f0\u7fa4\u7ec4\u670d\u52a1\u5c31\u662f 5wQPS\u3002\u8fd9\u91cc\u7684\u7b56\u7565\u662f\u5728\u94fe\u8def\u524d\u7aef\u8fde\u63a5\u670d\u52a1\u4e0a\u8fdb\u884c\u6d41\u91cf\u8fc7\u6ee4\uff0c\u56e0\u4e3a\u7528\u6237\u90fd\u662f\u8bf7\u6c42\u540c\u4e00\u4e2a\u7fa4\u7684\u540c\u4e00\u6761\u6d88\u606f\u6216\u9644\u8fd1\u7684\u6d88\u606f\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u5728\u8fde\u63a5\u670d\u52a1\u91cc\u8bbe\u8ba1\u7fa4\u6d88\u606f\u7684\u672c\u5730\u7f13\u5b58\uff0c\u6240\u6709\u7528\u6237\u90fd\u53ea\u4ece\u672c\u5730\u7f13\u5b58\u91cc\u8bfb\uff0c\u5982\u679c\u672c\u5730\u7f13\u5b58\u91cc\u6ca1\u6709\uff0c\u5c31\u653e\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u7fa4\u7ec4\u670d\u52a1\u8bf7\u6c42\u52a0\u8f7d\u7f13\u5b58\uff0c\u5176\u4ed6\u7ebf\u7a0b\u540c\u6b65\u7b49\u5f85\uff0c\u8fd9\u6837\u5c31\u5927\u5927\u964d\u4f4e\u4e86\u6253\u5230\u7fa4\u7ec4\u670d\u52a1\u7684 QPS\u3002<\/li>\n<\/ol>\n<h3>9.2 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