{"id":10020656,"date":"2025-02-14T15:58:20","date_gmt":"2025-02-14T07:58:20","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020656"},"modified":"2025-02-14T15:58:20","modified_gmt":"2025-02-14T07:58:20","slug":"%e9%a2%84%e6%b5%8b%e6%8a%80%e6%9c%af%e5%9c%a8%e7%be%8e%e5%9b%a2%e5%bc%b9%e6%80%a7%e4%bc%b8%e7%bc%a9%e5%9c%ba%e6%99%af%e7%9a%84%e6%8e%a2%e7%b4%a2%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020656","title":{"rendered":"\u9884\u6d4b\u6280\u672f\u5728\u7f8e\u56e2\u5f39\u6027\u4f38\u7f29\u573a\u666f\u7684\u63a2\u7d22\u4e0e\u5e94\u7528"},"content":{"rendered":"<blockquote><p>\u7ba1\u7406\u4f01\u4e1a\u5927\u89c4\u6a21\u670d\u52a1\u7684\u5f39\u6027\u4f38\u7f29\u573a\u666f\u4e2d\uff0c\u5f80\u5f80\u4f1a\u9762\u4e34\u7740\u4e24\u4e2a\u6311\u6218\uff1a\u7b2c\u4e00\u4e2a\u6311\u6218\u662f\u7cbe\u51c6\u7684\u8d1f\u8f7d\u9884\u6d4b\uff0c\u7531\u4e8e\u5e94\u7528\u5b9e\u4f8b\u7684\u542f\u52a8\u9700\u8981\u4e00\u5b9a\u9884\u70ed\u65f6\u95f4\uff0c\u88ab\u52a8\u54cd\u5e94\u5f0f\u4f38\u7f29\u4f1a\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u5f71\u54cd\u670d\u52a1\u8d28\u91cf\uff1b\u7b2c\u4e8c\u4e2a\u6311\u6218\u662f\u9ad8\u6548\u7684\u8d44\u6e90\u5206\u914d\uff0c\u5373\u5728\u4fdd\u969c\u670d\u52a1\u8d28\u91cf\u7684\u540c\u65f6\u63a7\u5236\u8d44\u6e90\u6210\u672c\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u6311\u6218\uff0c\u7f8e\u56e2\u57fa\u7840\u6280\u672f\u90e8\u4e0e\u4e2d\u56fd\u4eba\u6c11\u5927\u5b66\u4fe1\u606f\u5b66\u9662\u67f4\u4e91\u9e4f\u6559\u6388\u56e2\u961f\u5c55\u5f00\u4e86\u201c\u9884\u6d4b\u6280\u672f\u5728\u5f39\u6027\u4f38\u7f29\u573a\u666f\u7684\u5e94\u7528\u201d\u79d1\u7814\u5408\u4f5c\uff0c\u76f8\u5173\u8bba\u6587\u300a<a href=\"https:\/\/link.segmentfault.com\/?enc=1AMgxTfzd5T0K4VVTRxXUQ%3D%3D.yKK81bFRkjaMmFDQ74UxREtiUrGZkvGix1ZF0iu4YiFFxUXc7wOFV7t45dUHWaSe\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">PASS: Predictive Auto-Scaling System for Large-scale Enterprise Web Applications<\/a>\u300b\u5728\u5177\u6709\u56fd\u9645\u5f71\u54cd\u529b\u7684\u4f1a\u8baeThe Web Conference 2024\uff08CCF-A\u7c7b\u4f1a\u8bae\uff09\u4e0a\u4f5c\u4e3aResearch Full Paper\u53d1\u8868\u3002<\/p><\/blockquote>\n<h2>1 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index\uff09\u548c patchTST\u6a21\u578b\u7684\u9884\u6d4b\u6548\u679c\u3002 \u5728\u56fe1(a)\u4e2d\uff0c\u5bf9\u4e8e\u670d\u52a11\uff0c\u5468\u671f\u56e0\u5b50\u7b97\u6cd5\u663e\u8457\u4f18\u4e8epatchTST\uff0c\u800c\u5728\u56fe1(b)\u4e2d\uff0c\u5bf9\u4e8e\u670d\u52a12\uff0cpatchTST\u5374\u53c8\u6bd4\u5468\u671f\u56e0\u5b50\u9884\u6d4b\u6548\u679c\u66f4\u597d\u3002\u8fd9\u4e00\u5b9e\u9a8c\u8bf4\u660e\u4e86\u6700\u4f18\u9884\u6d4b\u7b97\u6cd5\u7684\u52a8\u6001\u591a\u6837\u6027\uff0c\u6211\u4eec\u9700\u8981\u9488\u5bf9\u4e1a\u52a1\u6d41\u91cf\u7279\u5f81\u9009\u62e9\u6700\u5408\u9002\u7684\u9884\u6d4b\u7b97\u6cd5\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113880\" alt=\"\u56fe1 \u5404\u79cd\u9884\u6d4b\u7b97\u6cd5\u7684\u51c6\u786e\u6027\u548c\u9c81\u68d2\u6027\u5bf9\u6bd4\" title=\"\u56fe1 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\u4f38\u7f29\u65b9\u6cd5\u5206\u6790<\/h3>\n<p><strong>\u53d1\u73b03<\/strong>\uff1a\u4e91\u5e73\u53f0\u5e7f\u6cdb\u4f7f\u7528\u7684\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u5e76\u4e0d\u80fd\u6709\u6548\u4fdd\u969cQoS\uff0c\u7279\u522b\u662f\u5f53QoS\u8981\u6c42\u5bf9\u5c3e\u5ef6\u8fdf\u7684\u4fdd\u969c\u65f6\u3002 \u4e0e\u5e73\u5747\u54cd\u5e94\u65f6\u95f4RT\u76f8\u6bd4\uff0c\u5f53QoS\u8981\u6c42\u4e3aTP999\u5c3e\u5ef6\u8fdf\u65f6\uff0c\u88681\u4e2d\u51e0\u79cd\u65b9\u6cd5\u7684QoS\u4fdd\u969c\u7387\u90fd\u663e\u8457\u964d\u4f4e\u3002\u7136\u800c\uff0c\u5927\u591a\u6570\u4e1a\u52a1\u5e94\u7528\u90fd\u9700\u8981\u5173\u4e8e\u5c3e\u5ef6\u8fdf\u7684\u4fdd\u969c\uff0c\u8fd9\u4f7f\u5f97\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u6548\u7387\u5e76\u4e0d\u9ad8\uff0c\u8981\u4e48\u63a5\u53d7QoS\u8fdd\u4f8b\uff0c\u8981\u4e48\u591a\u5197\u4f59\u8d44\u6e90\u3002<\/p>\n<p><strong>\u53d1\u73b04<\/strong>\uff1a\u8fd9\u4e9b\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u7684\u6027\u80fd\u6a21\u578b\u4e0d\u591f\u51c6\u786e\u3002\u57fa\u4e8e\u9608\u503c\u7684\u89c4\u5219\u548c\u76ee\u6807\u8ddf\u8e2a\u80cc\u540e\u7684\u6027\u80fd\u6a21\u578b\u5b9e\u9645\u4e0a\u662f\u201c\u5f53QPS\u6216CPU\u5229\u7528\u7387\u5728\u4e00\u5b9a\u8303\u56f4\u5185\u65f6QoS\u8fbe\u6807\u201d\u3002 \u800c\u8fd9\u4e2a\u8303\u56f4\u7684\u53c2\u6570\u662f\u6839\u636e\u4eba\u5de5\u7ecf\u9a8c\u786e\u5b9a\u7684\u3002\u88681\u7684\u7ed3\u679c\u8bc1\u660e\u5b83\u5e76\u4e0d\u5b8c\u5168\u6709\u6548\u3002\u53e6\u5916\uff0c\u6392\u961f\u8bba\u56e0\u4e3a\u8fc7\u4e8e\u4f9d\u8d56\u7406\u8bba\u5047\u8bbe\u800c\u4e0d\u591f\u51c6\u786e\uff0c\u5bfc\u81f4\u5176\u4f30\u8ba1\u7684RT\u4f4e\u4e8e\u771f\u5b9e\u503c\uff0c\u4ece\u800c\u51fa\u73b0QoS\u8fdd\u4f8b\u3002 <\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113881\" alt=\"\u88681 \u4e09\u79cd\u5e38\u89c1\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u7684QoS\u4fdd\u969c\u7387\u548c\u8d44\u6e90\u6210\u672c\" title=\"\u88681 \u4e09\u79cd\u5e38\u89c1\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u7684QoS\u4fdd\u969c\u7387\u548c\u8d44\u6e90\u6210\u672c\" loading=\"lazy\"><\/p>\n<p>\u76ee\u524d\u4e91\u5e73\u53f0\u7684\u5e38\u89c1\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<ul>\n<li><strong>\u9608\u503c\u6cd5<\/strong>\uff1a\u57fa\u4e8e\u4e00\u7cfb\u5217\u5305\u542b\u9608\u503c\u7684\u89c4\u5219\u6765\u8fdb\u884c\u5f39\u6027\u4f38\u7f29\u3002\u4ee5CPU\u8d44\u6e90\u5229\u7528\u7387\u4e3a\u4f8b\uff0c\u5f53\u8d44\u6e90\u5229\u7528\u7387\u8d85\u8fc7\u4e0a\u9650\u9608\u503c\u65f6\uff0c\u589e\u52a0\u8d44\u6e90\uff0c\u53cd\u4e4b\uff0c\u5f53\u5229\u7528\u7387\u4f4e\u4e8e\u4e0b\u9608\u503c\u65f6\uff0c\u51cf\u5c11\u8d44\u6e90\u3002\u9608\u503c\u53c2\u6570\u901a\u5e38\u51ed\u7ecf\u9a8c\u8bbe\u7f6e\u3002<\/li>\n<li><strong>\u76ee\u6807\u8ffd\u8e2a<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u53cd\u9988\u7684\u63a7\u5236\u8bba\u65b9\u6cd5\uff0c\u5c06\u67d0\u4e2a\u6307\u6807\uff08\u4f8b\u5982CPU\u8d44\u6e90\u5229\u7528\u7387\uff09\u7ef4\u6301\u5728\u7279\u5b9a\u8303\u56f4\u5185\u3002\u5f53\u5b9e\u9645\u8d44\u6e90\u5229\u7528\u7387\u4e0d\u5728\u8bbe\u5b9a\u8303\u56f4\u5185\u65f6\uff0c\u7cfb\u7edf\u4f1a\u6839\u636e\u5f53\u524d\u72b6\u6001\u81ea\u52a8\u8ba1\u7b97\u9700\u8981\u4f38\u7f29\u7684\u5b9e\u4f8b\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u5047\u8bbeCPU\u548c\u6d41\u91cf\u5448\u7ebf\u6027\u76f8\u5173\u7684\u524d\u63d0\u4e0b\uff0c\u5f53\u524d10\u4e2a\u5b9e\u4f8b\u7684\u5e73\u5747CPU\u8d44\u6e90\u5229\u7528\u7387\u4e3a80%\uff0c\u76ee\u6807\u503c\u4e3a50%\uff0c\u5219\u5b9e\u4f8b\u9700\u8981\u6269\u5bb9\u4e3a80%*10\/50%=16\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u6392\u961f\u8bba<\/strong>\uff1a\u6839\u636e\u6392\u961f\u8bba\u6a21\u578b\u8ba1\u7b97\u6027\u80fd\u6307\u6807\uff08\u4f8b\u5982\u5ef6\u8fdf\uff09\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u4f38\u7f29\u4ee5\u786e\u4fddQoS\u8fbe\u6807\u3002\u5e38\u89c1\u7684\ud835\udc40\/\ud835\udc40\/\ud835\udc60\u6a21\u578b\u8868\u793a\u8bf7\u6c42\u5230\u8fbe\u548c\u5904\u7406\u7684\u65f6\u95f4\u5448\u6307\u6570\u5206\u5e03\uff0c\u5171\u6709\ud835\udc60\u670d\u52a1\u5668\u5e76\u884c\u5904\u7406\u3002\u963f\u91cc\u5df4\u5df4\u7684\u5f39\u6027\u4f38\u7f29\u6846\u67b6AHPA\u4f7f\u7528\u6392\u961f\u8bba\u4f5c\u4e3a\u6027\u80fd\u6a21\u578b\u3002<\/li>\n<li><strong>\u5f3a\u5316\u5b66\u4e60<\/strong>\uff1a\u5f39\u6027\u4f38\u7f29\u6a21\u5757\u5145\u5f53\u4ee3\u7406\u5e76\u4e0e\u73af\u5883\u4ea4\u4e92\uff0c\u5728\u6bcf\u6b21\u6267\u884c\u4f38\u7f29\u64cd\u4f5c\u540e\u63a5\u6536\u5956\u52b1\u53cd\u9988\u3002\u5b83\u901a\u8fc7\u53cd\u590d\u8bd5\u9a8c\u5efa\u7acb\u72b6\u6001\uff08\u5f53\u524d\u76d1\u63a7\u6307\u6807\uff09\u548c\u52a8\u4f5c\uff08\u4f38\u7f29\u591a\u5c11\u5b9e\u4f8b\uff09\u4e4b\u95f4\u7684\u6620\u5c04\u6a21\u578b\u3002<\/li>\n<\/ul>\n<p>\u5927\u90e8\u5206\u4e91\u5e73\u53f0\u4f7f\u7528\u7684\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u90fd\u662f\u7b80\u5355\u6216\u76f4\u63a5\u7684\uff0c\u6bd4\u5982\uff1a\u9608\u503c\u6cd5\u3001\u76ee\u6807\u8ddf\u8e2a\u548c\u6392\u961f\u8bba\u3002\u5f3a\u5316\u5b66\u4e60\u548c\u5176\u4ed6\u4eba\u5de5\u667a\u80fd\u76f8\u5173\u65b9\u6cd5\u4f7f\u7528\u8f83\u5c11\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u4f1a\u5f71\u54cd\u5728\u7ebf\u4e1a\u52a1\u7684\u6027\u80fd\u3002 \u6211\u4eec\u4f7f\u7528\u82e5\u5e72\u5177\u6709\u4ee3\u8868\u6027\u7684\u540e\u7aef\u670d\u52a1\u6d4b\u8bd5\u4e86\u5e38\u7528\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u7684QoS\u4fdd\u969c\u7387\u3002\u7531\u4e8e\u6211\u4eec\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9a8c\u8bc1QoS\u4fdd\u969c\u7387\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528\u4e86\u9636\u68af\u5f0f\u589e\u52a0\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002QoS\u4fdd\u969c\u7387\u548c\u8d44\u6e90\u6210\u672c\u7684\u7ed3\u679c\u5982\u88681\u6240\u793a\u3002QoS\u4fdd\u969c\u7387\u662f\u7528QoS\u4fdd\u969c\u65f6\u957f\u9664\u4ee5\u603b\u65f6\u957f\u8ba1\u7b97\u5f97\u51fa\u7684\u3002\u8d44\u6e90\u6210\u672c\u7531\u5b9e\u4f8b\u6570\u968f\u65f6\u95f4\uff08\u5206\u949f\uff09\u7684\u79ef\u5206\u5f97\u5230\u3002<\/p>\n<h2>3 \u6280\u672f\u65b9\u6848<\/h2>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u63d0\u51fa\u4e86 PASS\uff08Predictive Auto-Scaling System\uff09\uff0c\u8fd9\u662f\u4e00\u79cd\u4e3a\u4f01\u4e1a\u5927\u89c4\u6a21\u5728\u7ebfWeb\u5e94\u7528\u5b9a\u5236\u7684\u9884\u6d4b\u5f39\u6027\u4f38\u7f29\u7cfb\u7edf\u3002\u4e3a\u4e86\u4fdd\u969c\u9884\u6d4b\u6846\u67b6\u51c6\u786e\u6027\u548c\u9c81\u68d2\u6027\uff0c\u6211\u4eec\u6839\u636e\u6bcf\u4e2a\u5e94\u7528\u7684\u7279\u5f81\uff0c\u52a8\u6001\u5339\u914d\u548c\u6821\u51c6\u5176\u9002\u5408\u7684\u9884\u6d4b\u7b97\u6cd5\uff0c\u6709\u6548\u5e94\u5bf9\u4e86\u4e1a\u52a1\u8d1f\u8f7d\u7684\u591a\u6837\u6027\u3002\u6211\u4eec\u8fdb\u4e00\u6b65\u5efa\u7acb\u4e86\u57fa\u4e8e\u5728\u7ebf\u5386\u53f2\u65e5\u5fd7\u7684\u6027\u80fd\u6a21\u578b\u4ee5\u4fdd\u969c\u591a\u6837\u5316\u7684QoS\uff0c\u53ef\u89e3\u91ca\u7684\u540c\u65f6\u4e0d\u4f1a\u5bf9\u5728\u7ebf\u4e1a\u52a1\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002 \u9664\u4e86\u57fa\u4e8e\u8d1f\u8f7d\u9884\u6d4b\u548c\u6027\u80fd\u6a21\u578b\u7684\u4e3b\u52a8\u4f38\u7f29\u4ee5\u5916\uff0c\u6211\u4eec\u8fd8\u8bbe\u8ba1\u4e86\u54cd\u5e94\u5f0f\u7684\u515c\u5e95\u7b56\u7565\uff0c\u4ee5\u53ca\u65f6\u5e94\u5bf9\u56e0\u4e0d\u51c6\u786e\u7684\u9884\u6d4b\u6216\u610f\u5916\u4e8b\u4ef6\u5bfc\u81f4\u7684\u670d\u52a1\u8d28\u91cf\u8fdd\u4f8b\u3002\u5728\u7f8e\u56e2\u5e7f\u6cdb\u7684\u4e1a\u52a1\u5e94\u7528\u548c\u771f\u5b9e\u8d1f\u8f7d\u4e0b\uff0c\u76f8\u5bf9\u4e8e\u88681\u4e2d\u5176\u5b83\u65b9\u6cd5\uff0cPASS \u8868\u73b0\u66f4\u4f18\u4e8eSOTA\uff0c\u4ee5\u66f4\u5c11\u7684\u8d44\u6e90\u6210\u672c\u5b9e\u73b0\u66f4\u9ad8\u7684\u8d1f\u8f7d\u9884\u6d4b\u51c6\u786e\u5ea6\u548c\u66f4\u4f4e\u7684QoS\u8fdd\u4f8b\u3002<\/p>\n<p>PASS\u7684\u6574\u4f53\u67b6\u6784\u5982\u56fe2\u6240\u793a\u3002ELPA\uff08Ensemble Learning-based Prediction Algorithm\uff09\u5b9e\u65f6\u51c6\u786e\u5730\u9884\u6d4b\u4e1a\u52a1\u8d1f\u8f7d\u7684QPS\u65f6\u5e8f\u6570\u636e\u3002\u901a\u8fc7\u67e5\u8be2\u57fa\u4e8e\u5386\u53f2\u65e5\u5fd7\u6784\u5efa\u7684\u6027\u80fd\u6a21\u578b\uff0cPASS\u5728\u4e0d\u8fdd\u53cdQoS\u7684\u524d\u63d0\u4e0b\uff0c\u9884\u6d4b\u4f38\u7f29\u5230\u4e1a\u52a1\u6240\u9700\u7684\u5b9e\u4f8b\u6570\u91cf\u3002\u6b64\u5916\uff0cPASS\u8fd8\u6301\u7eed\u76d1\u63a7QoS\u6307\u6807\uff0c\u5982\u679c\u53d1\u73b0\u7531\u4e8e\u9884\u6d4b\u4e0d\u51c6\u5bfc\u81f4\u7684QoS\u8fdd\u4f8b\uff0cPASS\u4f1a\u57fa\u4e8e\u5f53\u524d\u771f\u5b9e\u7684\u5ef6\u8fdf\u6821\u6b63\u9884\u6d4b\u7ed3\u679c\uff0c\u5e76\u4f38\u7f29\u5230\u9002\u5f53\u6570\u91cf\u7684\u5b9e\u4f8b\uff0c\u4ee5\u5feb\u901f\u6d88\u9664QoS\u8fdd\u4f8b\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113882\" alt=\"\u56fe2 PASS\u6574\u4f53\u67b6\u6784\uff0c\u56fe\u4e2d\u4e0a\u534a\u90e8\u5206\u7684\u9ed1\u7ebf\u8868\u793a\u79bb\u7ebf\u6b65\u9aa4\uff0c\u4e0b\u534a\u90e8\u5206\u4e2d\u7684\u7ea2\u7ebf\u8868\u793a\u5728\u7ebf\u8fc7\u7a0b\" title=\"\u56fe2 PASS\u6574\u4f53\u67b6\u6784\uff0c\u56fe\u4e2d\u4e0a\u534a\u90e8\u5206\u7684\u9ed1\u7ebf\u8868\u793a\u79bb\u7ebf\u6b65\u9aa4\uff0c\u4e0b\u534a\u90e8\u5206\u4e2d\u7684\u7ea2\u7ebf\u8868\u793a\u5728\u7ebf\u8fc7\u7a0b\" loading=\"lazy\"><\/p>\n<h3>3.1 ELPA\u9884\u6d4b\u6a21\u578b<\/h3>\n<p>\u6211\u4eec\u63d0\u51fa\u4e86ELPA\uff08Ensemble Learning-based Prediction Algorithm\uff09\u9884\u6d4b\u7b97\u6cd5\u6846\u67b6\uff08\u5982\u56fe3\u6240\u793a\uff09\u3002\u5bf9\u4e8e\u6bcf\u4e00\u7c7b\u4e1a\u52a1\u7684\u5b9e\u65f6\u6d41\u91cf\uff0cELPA\u91c7\u7528\u4e00\u7ec4\u76f8\u5e94\u7684\u5728\u7ebf\u548c\u79bb\u7ebf\u6a21\u578b\u6765\u63d0\u4f9b\u9884\u6d4b\u670d\u52a1\u3002\u6211\u4eec\u9996\u5148\u4ece\u4e00\u7cfb\u5217\u4e0d\u540c\u7684\u5728\u7ebf\u6a21\u578b\u4e2d\u9009\u62e9\u4e00\u4e2a\u80fd\u591f\u4e3a\u5f53\u524d\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u63d0\u4f9b\u6700\u51c6\u786e\u9884\u6d4b\u7684\u6a21\u578b\u3002\u7136\u540e\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u9884\u6d4b\u201c\u7a81\u53d8\u7279\u5f81\u201d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u8868\u73b0\u6700\u597d\u7684\u79bb\u7ebf\u9884\u6d4b\u6a21\u578b\u4ee3\u66ff\u5728\u7ebf\u6a21\u578b\u3002\u6b64\u5916\uff0c\u6211\u4eec\u4f7f\u7528\u632f\u5e45\u8c03\u6574\u6765\u6539\u5584\u79bb\u7ebf\u9884\u6d4b\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u201c\u632f\u5e45\u504f\u5dee\u201d\u95ee\u9898\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u589e\u5f3a\u9884\u6d4b\u6027\u80fd\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113883\" alt=\"\u56fe3 \u9884\u6d4b\u7b97\u6cd5\u6846\u67b6\" title=\"\u56fe3 \u9884\u6d4b\u7b97\u6cd5\u6846\u67b6\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113884\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>3.2 \u6027\u80fd\u6a21\u578b\u8bbe\u8ba1<\/h3>\n<p>\u6211\u4eec\u63d0\u51fa\u4e86\u57fa\u4e8e\u65e5\u5fd7\u7684\u6027\u80fd\u6a21\u578b\uff08Log-based Performance Model\uff09\u3002\u4e3b\u8981\u5305\u62ec\uff1a\u6027\u80fd\u6a21\u578b\u6784\u5efa\u4e0e\u6a21\u578b\u8bad\u7ec3\u6821\u51c6\u4e24\u90e8\u5206\u3002<\/p>\n<p><strong>\u6027\u80fd\u6a21\u578b\u6784\u5efa<\/strong>\uff1aAlgorithm1\u8bf4\u660e\u4e86\u5982\u4f55\u57fa\u4e8e\u5386\u53f2\u65e5\u5fd7\uff08\u4e0d\u9700\u8981\u5bf9\u5e94\u7528\u8fdb\u884c\u753b\u50cf\uff09\u6784\u5efa\u6027\u80fd\u6a21\u578b\u3002 \u6211\u4eec\u4ece\u76d1\u63a7\u7cfb\u7edf\u83b7\u53d6\u670d\u52a1\u7684\u65e5\u5fd7\uff0c\u5305\u62ecQPS\u3001\u5b9e\u4f8b\u6570\u3001QoS\u6307\u6807\u7b49\u4fe1\u606f\u3002 \u8f93\u5165\u7684QoS\u7531\u670d\u52a1\u8bbe\u7f6e\uff0c\u5f53QoS\u53d1\u751f\u53d8\u5316\u65f6\u9700\u8981\u91cd\u65b0\u5efa\u7acb\u6027\u80fd\u6a21\u578b\u3002\u6211\u4eec\u9996\u5148\u6309\u5b9e\u4f8b\u6570\u91cf\u805a\u5408\u8f93\u5165\u65e5\u5fd7\u5e76\u904d\u5386\u6240\u6709\u65e5\u5fd7\uff08\u7b2c 1-9 \u884c\uff09\u3002 \u7b2c4\u884c\u6309\u7167\u201ccap\u201d\u7684\u7c92\u5ea6\uff08\u4f8b\u5982\u6700\u5927QPS\u7684\u5343\u5206\u4e4b\u4e00\uff09\u805a\u5408QPS\uff0c\u4ee5\u51cf\u5c11\u6570\u636e\u6570\u91cf\u548c\u7b97\u6cd5\u5f00\u9500\u3002 \u7b2c5-8\u884c\u7edf\u8ba1QoS\u8fdd\u4f8b\u7684\u53d1\u751f\u6b21\u6570\u3002\u7531\u4e8e\u7cfb\u7edf\u6545\u969c\u7b49\u56e0\u7d20\u53ef\u80fd\u5bfc\u81f4\u67d0\u4e9b\u8bb0\u5f55\u4e0d\u51c6\u786e\uff0c\u56e0\u6b64\u5728\u8bc4\u4f30\u67d0\u4e2aQPS\u7684\u4fdd\u969c\u7387\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u8ba1\u7b97\u5f53\u524d\u7684QPS\u8bb0\u5f55\uff0c\u8fd8\u7efc\u5408\u8003\u8651\u6240\u6709\u8f83\u4f4e\u7684QPS\u8bb0\u5f55\uff08\u7b2c10-19\u884c\uff09\u3002\u7b2c20\u884c\u7684\u6392\u5e8f\u89c4\u5219\u662f\u4f18\u5148\u8003\u8651\u5927\u4e8e\u7ed9\u5b9a\u9608\u503c\ud835\udeff\u7684QoS\u4fdd\u8bc1\u7387\uff0c\u7136\u540e\u6309QPS\u964d\u5e8f\u6392\u5e8f\u3002\ud835\udeff\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u7684\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff08\u9ed8\u8ba4\u4e3a0.99\uff09\uff0c\u8861\u91cf\u5bf9QoS\u8fdd\u4f8b\u7684\u5bb9\u5fcd\u5ea6\u3002\ud835\udeff\u8d8a\u63a5\u8fd11\uff0c\u5bb9\u5fcd\u5ea6\u8d8a\u4f4e\u3002\u6700\u540e\uff0c\u6211\u4eec\u5c06\u6392\u5e8f\u540e\u7684\u7b2c\u4e00\u4e2aQPS\u6307\u5b9a\u4e3a\u5f53\u524d\u5b9e\u4f8b\u6570\u53ef\u4ee5\u5904\u7406\u7684\u6700\u5927\u6d41\u91cf\uff08\u7b2c21\u884c\uff09\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113885\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><strong>\u6a21\u578b\u8bad\u7ec3\u6821\u51c6<\/strong>\uff1a\u76f4\u63a5\u6839\u636e\u76d1\u63a7\u65e5\u5fd7\u6784\u5efa\u7684\u6027\u80fd\u6a21\u578b\u8868\u53ef\u80fd\u4e0d\u51c6\u786e\u3002\u5f53\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u7684\u5f39\u6027\u4f38\u7f29\u53c2\u6570\u4e0d\u5408\u7406\u65f6\uff08\u4f8b\u5982\u6c34\u5e73\u6269\u5bb9\u6b65\u957f\u8f83\u5927\u6216\u8d44\u6e90\u5197\u4f59\u8fc7\u591a\uff09\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67d0\u4e9b\u5b9e\u4f8b\u6570\u6ca1\u6709\u76d1\u63a7\u65e5\u5fd7\uff0c\u6216\u8005\u6570\u636e\u91cf\u6781\u5c11\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6700\u521d\u6784\u5efa\u7684\u8868\u4e2d\u6761\u76ee\u4e22\u5931\u6216\u4e0d\u51c6\u786e\u3002 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9996\u5148\u4fdd\u8bc1\u539f\u8868\u6570\u636e\u4fdd\u6301\u975e\u4e25\u683c\u5355\u8c03\u589e\u957f\uff0c\u7a7a\u7684\u6216\u8f83\u4f4e\u7684QPS\u88ab\u4e4b\u524d\u8f83\u9ad8\u7684QPS\u66ff\u6362\u3002 \u7136\u540e\uff0c\u5bf9\u4e8e\u5b9e\u4f8b\u6570\u91cf\u589e\u52a0\u4f46QPS\u4e0d\u53d8\u7684\u90e8\u5206\uff0c\u6211\u4eec\u6839\u636e\u76f8\u90bbQPS\u8ba1\u7b97\u659c\u7387\u5e76\u66f4\u65b0\u5b83\u4eec\u3002 \u4f8b\u5982\uff0c\u521d\u59cb\u5316\u7684\u6027\u80fd\u6a21\u578b\u6620\u5c04\u4e3a{5 : 30, 7 : 20, 8 : 60}\uff0c\u4f7f\u7528\u5b9e\u4f8b5\u7684QPS\u66ff\u6362\u5b9e\u4f8b6\u548c7\u540e\uff0c\u5219\u53d8\u4e3a{5 : 30,6 : 30,7 : 30,8 : 60}\u3002 \u7136\u540e\uff0c\u6839\u636e\u5b9e\u4f8b5\u548c8\u4e4b\u95f4\u7684QPS\u5dee\u5f02\uff0c\u6211\u4eec\u66f4\u65b0\u5b9e\u4f8b6\u548c7\u7684QPS\uff0c\u5f97\u5230{5 : 30,6 : 40,7 : 50,8 : 60}\u3002 \u6b64\u5916\uff0c\u6211\u4eec\u5728\u6bcf\u5929\u4f4e\u5cf0\u65f6\u6bb5\u4f7f\u7528\u6700\u65b0\u7684\u76d1\u63a7\u65e5\u5fd7\u5b9a\u671f\u91cd\u5efa\u6027\u80fd\u6a21\u578b\uff0c\u4ee5\u4fdd\u6301\u51c6\u786e\u6027\u3002<\/p>\n<h3>3.3 Hybrid Auto-scaling\u65b9\u6848\u8bbe\u8ba1<\/h3>\n<p>\u9664\u4e86\u9884\u6d4b\u4f38\u7f29\uff0c\u6211\u4eec\u8fd8\u8bbe\u8ba1\u4e86\u57fa\u4e8e\u6392\u961f\u8bba\u7684\u54cd\u5e94\u5f0f\u515c\u5e95\u7b56\u7565\uff0c\u7528\u4e8e\u5904\u7406\u7531\u4e8e\u9884\u6d4b\u4e0d\u51c6\u6216\u70ed\u70b9\u4e8b\u4ef6\u8d1f\u8f7d\u7a81\u589e\u5bfc\u81f4\u7684 QoS \u8fdd\u4f8b\u3002PASS \u5b9e\u65f6\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u6307\u6807\u3002\u5982\u679c\u68c0\u6d4b\u5230QoS\u8fdd\u4f8b\uff0cPASS\u5c06\u6839\u636e M\/M\/s\u6392\u961f\u8bba\u6a21\u578b\u4fee\u6539\u9884\u6d4b\u7684QPS\uff0c\u5e76\u91cd\u65b0\u67e5\u8be2\u6027\u80fd\u6a21\u578b\u4ee5\u5feb\u901f\u6269\u5bb9\u9002\u5f53\u6570\u91cf\u7684\u5b9e\u4f8b\u3002 \u5177\u4f53\u800c\u8a00\uff0c\u6392\u961f\u8bba\u6a21\u578b\u5982\u4e0b\u516c\u5f0f\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113886\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\ud835\udc60\u8868\u793a\u5f53\u524d\u5b9e\u4f8b\u7684\u6570\u91cf\uff0c\ud835\udc62\u4ee3\u8868\u6bcf\u4e2a\u5b9e\u4f8b\u7684\u74f6\u9888QPS\uff0c\ud835\udc5d\u8868\u793a\u5ef6\u8fdf\u7684\u767e\u5206\u6bd4\uff0c\u4ee5\u53ca\ud835\udc61\u6307\u7684\ud835\udc5d\u767e\u5206\u4f4d\u5c3e\u5ef6\u8fdf\u3002\u4f7f\u7528\u6392\u961f\u7406\u8bba\u6765\u4f30\u8ba1QPS\u800c\u4e0d\u662f\u5ef6\u8fdf\u7684\u539f\u56e0\u662f\uff0c\u4ece\u6392\u961f\u8bba\u63a8\u5bfc\u51fa\u7684\u5ef6\u8fdf\u5f80\u5f80\u4f4e\u4e8e\u5b9e\u9645\u503c\uff082.2\u8282\u4e2d\u6392\u961f\u8bba\u7684QoS\u4fdd\u969c\u7387\u504f\u4f4e\u8bc1\u660e\u4e86\u8fd9\u4e00\u70b9\uff09\uff0c\u56e0\u6b64\u4ece\u5b9e\u9645\u5ef6\u8fdf\u63a8\u5bfc\u51fa\u7684QPS\u5c06\u9ad8\u4e8e\u5b9e\u9645\u503c\u3002\u6211\u4eec\u57fa\u4e8e\u66f4\u9ad8\u7684QPS\u8fdb\u884c\u6269\u5bb9\uff0c\u4ee5\u5feb\u901f\u54cd\u5e94QoS\u8fdd\u4f8b\u5e76\u5c06\u635f\u5931\u964d\u81f3\u6700\u4f4e\u3002\u5e76\u4e14\u6211\u4eec\u901a\u8fc7\u5b9e\u9a8c\u8868\u660e\uff0c\u8fd9\u90e8\u5206\u8d44\u6e90\u5197\u4f59\u5e76\u4e0d\u4f1a\u5bfc\u81f4\u5927\u91cf\u6d6a\u8d39\u3002<\/p>\n<h2>4 \u6d4b\u8bd5\u7ed3\u679c<\/h2>\n<h3>4.1 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loading=\"lazy\"><\/p>\n<p>\uff08\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u5206\u522b\u6bd4\u8f83\u6240\u6709\u65b9\u6cd5\u5728\u7279\u5b9a\u7ea7\u522b\u7684\u6570\u636e\u96c6\u548c\u7279\u5b9a\u6307\u6807\u4e0a\u7684\u7ed3\u679c\u3002\u7c97\u4f53\u7a81\u51fa\u663e\u793a\u6bcf\u4e2a\u6307\u6807\u7684\u6700\u4f73\u7ed3\u679c\uff1b\ud835\udc40\ud835\udc52\ud835\udc61\ud835\udc5f\ud835\udc56\ud835\udc50\ud835\udc60_\ud835\udc4e\ud835\udc63\ud835\udc54\u8868\u793a\u5f53\u524d\u96be\u5ea6\u7ea7\u522b\u6570\u636e\u96c6\u7684\u5e73\u5747\u9884\u6d4b\u7ed3\u679c\uff0c\u800c\ud835\udc4a\ud835\udc56\ud835\udc5b\ud835\udc5b\ud835\udc52\ud835\udc5f\u663e\u793a\u4e86\u6309\u6570\u636e\u96c6\u7c7b\u578b\u8bc4\u4f30\u7684\u65b9\u6cd5\u5728\u51c6\u786e\u6027\u65b9\u9762\u4f18\u4e8e\u5176\u4ed6\u65b9\u6cd5\u7684\u6bd4\u4f8b\uff09<\/p>\n<p>\u6211\u4eec\u5bf9ELPA\u4ee5\u53ca\u5176\u4ed6\u4e94\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u9884\u6d4b\u7b97\u6cd5\u8fdb\u884c\u4e86\u8bc4\u4f30\u3002\u88682\u663e\u793a\u4e86\u5404\u79cd\u9884\u6d4b\u7b97\u6cd5\u7684\u51c6\u786e\u5ea6\u6bd4\u8f83\u3002ELPA\u660e\u663e\u4f18\u4e8e\u5355\u4e2a\u9884\u6d4b\u7b97\u6cd5\uff0c\u7531\u4e8e\u5176\u5b9e\u73b0\u4e86\u4e00\u7ec4\u4f18\u5316\u89c4\u5219\uff0c\u7528\u4e8e\u9009\u62e9\u6700\u5408\u9002\u7684\u5728\u7ebf\/\u79bb\u7ebf\u7ec4\u5408\uff0c\u5e76\u4f7f\u7528\u632f\u5e45\u6821\u51c6\u6765\u9884\u6d4b\u7279\u5b9a\u65f6\u95f4\u6bb5\u7684\u6570\u636e\u3002<\/p>\n<p><strong>\u7ed3\u8bba2<\/strong>\uff1a\u79bb\u7ebf\u6a21\u578b\u867d\u7136\u64c5\u957f\u6355\u6349\u6570\u636e\u7684\u201c\u7a81\u53d8\u7279\u5f81\u201d\uff0c\u4f46\u5176\u9884\u6d4b\u7ed3\u679c\u548c\u771f\u5b9e\u503c\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u800c\u5728\u7ebf\u6a21\u578b\u5728\u6709\u6548\u9884\u6d4b\u8fd9\u4e9b\u201c\u7a81\u53d8\u7279\u5f81\u201d\u65b9\u9762\u9762\u4e34\u6311\u6218\u3002\u901a\u8fc7\u4e24\u4e2a\u6a21\u578b\u7684\u96c6\u6210\u548c\u632f\u5e45\u6821\u51c6\u7684\u5e94\u7528\uff0cELPA\u6846\u67b6\u8868\u73b0\u51fa\u663e\u8457\u7684\u9c81\u68d2\u6027\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113888\" alt=\"\u56fe4 \u5728\u7ebf\u6a21\u578b\u3001\u79bb\u7ebf\u6a21\u578b\uff08\u5305\u62ec\u632f\u5e45\u8c03\u6574\uff09\u548c ELPA \u7684\u9884\u6d4b\u5b9e\u4f8b\u5316\u5c55\u793a\" title=\"\u56fe4 \u5728\u7ebf\u6a21\u578b\u3001\u79bb\u7ebf\u6a21\u578b\uff08\u5305\u62ec\u632f\u5e45\u8c03\u6574\uff09\u548c ELPA \u7684\u9884\u6d4b\u5b9e\u4f8b\u5316\u5c55\u793a\" loading=\"lazy\"><\/p>\n<p>\u56fe4\u63d0\u4f9b\u4e86ELPA\u7684\u793a\u4f8b\uff0c\u5176\u4e2d\u7ed3\u5408\u4e86\u5728\u79bb\u7ebf\u9884\u6d4b\u6a21\u578b\uff0c\u5e76\u5bf9\u79bb\u7ebf\u6a21\u578b\u8fdb\u884c\u632f\u5e45\u8c03\u6574\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u201c\u7a81\u53d8\u7279\u5f81\u201d\u53ef\u4ee5\u5728\u5404\u79cd\u7c7b\u578b\u7684\u4e1a\u52a1\u6d41\u91cf\u4e2d\u8868\u73b0\u51fa\u6765\u3002\u7531\u4e8e\u7bc7\u5e45\u9650\u5236\uff0c\u6211\u4eec\u9009\u62e9\u4e86\u4e00\u4e2a\u5177\u6709\u4ee3\u8868\u6027\u7684\u4e1a\u52a1\u8d1f\u8f7d\u6570\u636e\u96c6\u6765\u7a81\u51faELPA\u7684\u7a33\u5065\u9884\u6d4b\u80fd\u529b\u3002\u56fe4(a)\u6bd4\u8f83\u4e86\u5728\u7ebf\u6a21\u578b\uff08PatchTST\uff09\u7684\u9884\u6d4b\u4e0e\u771f\u5b9e\u6570\u636e\u3002\u867d\u7136\u5728\u7ebf\u6a21\u578b\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u663e\u793a\u51fa\u5f88\u9ad8\u7684\u9884\u6d4b\u7cbe\u5ea6\uff0c\u4f46\u5728\u9884\u6d4b\u201c\u7a81\u53d8\u7279\u5f81\u201d\u65f6\u5b58\u5728\u663e\u8457\u7684\u6ede\u540e\u95ee\u9898\uff08\u9ed1\u8272\u5706\u5708\u7a81\u51fa\u663e\u793a\uff09\u3002\u5728\u56fe4(b)\u4e2d\uff0c\u84dd\u8272\u865a\u7ebf\u4ee3\u8868\u79bb\u7ebf\u6a21\u578b\uff08\u5468\u671f\u56e0\u5b50\uff09\u7684\u9884\u6d4b\u7ed3\u679c\uff0c\u5c3d\u7ba1\u5b83\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u548c\u771f\u5b9e\u503c\u6709\u4e00\u5b9a\u7684\u5dee\u8ddd\uff0c\u4f46\u53ca\u65f6\u5730\u9884\u6d4b\u51fa\u4e86\u201c\u7a81\u53d8\u7279\u5f81\u201d\u3002\u56fe4(b)\u4e2d\u7684\u7ea2\u8272\u865a\u7ebf\u8868\u793aELPA\u5728\u79bb\u7ebf\u6a21\u578b\u7684\u201c\u7a81\u53d8\u7279\u5f81\u201d\u5904\u7684\u632f\u5e45\u6821\u51c6\u7ed3\u679c\u3002\u6700\u540e\uff0c\u56fe4(c)\u5c55\u793a\u4e86ELPA\u7684\u7ed3\u679c\uff0c\u5b83\u96c6\u6210\u4e86\u5728\u7ebf\u6a21\u578b\u548c\u6821\u51c6\u7684\u79bb\u7ebf\u6a21\u578b\uff0c\u8868\u73b0\u51fa\u51c6\u786e\u7684\u9884\u6d4b\u6548\u679c\u548c\u9884\u6d4b\u201c\u7a81\u53d8\u7279\u5f81\u201d\u7684\u80fd\u529b\u3002<\/p>\n<h3>4.3 \u7aef\u5230\u7aef\u6548\u679c\u8bc4\u4f30<\/h3>\n<p>\u7ed3\u8bba3\uff1aPASS\u7684\u6027\u80fd\u6a21\u578b\u51c6\u786e\u6709\u6548\uff0c\u5728\u6240\u6709\u6d4b\u8bd5\u573a\u666f\u4e2d\u90fd\u5b9e\u73b0\u4e86\u6700\u9ad8\u7684QoS\u4fdd\u969c\u7387\uff08\u88683\uff09\u3002 \u4e0e\u76ee\u6807\u8ddf\u8e2a\u548cAHPA\u76f8\u6bd4\uff0c\u5e73\u5747QoS\u4fdd\u969c\u7387\u5206\u522b\u63d0\u9ad8\u4e865.54%\u548c7.71%\u3002\u5728\u591a\u4e2aQoS\u6307\u6807\u7684\u573a\u666f6\u4e2d\u8868\u73b0\u66f4\u4e3a\u660e\u663e\uff0cPASS\u7684QoS\u4fdd\u969c\u7387\u5206\u522b\u63d0\u9ad8\u4e8619.21%\u548c22.64%\u3002PASS\u5728\u6240\u6709\u573a\u666f\u4e2d\u7684\u5e73\u5747\u8d44\u6e90\u6210\u672c\u4e5f\u662f\u6700\u4f4e\u7684\u3002 \u5e73\u5747\u8d44\u6e90\u6210\u672c\u8f83AHPA\u964d\u4f4e8.91%\uff0c\u8f83\u76ee\u6807\u8ddf\u8e2a\u964d\u4f4e17.02%\u3002\u5728\u573a\u666f4\u4e2d\u964d\u4f4e\u4e86\u9ad8\u8fbe40%\u548c52.76%\u3002\u53ea\u6709\u4e24\u4e2a\u573a\u666f\u4e2dPASS\u7684\u8d44\u6e90\u6210\u672c\u7565\u9ad8\u4e8eAHPA\uff0c\u800c\u5728\u6240\u6709\u5176\u4ed6\u6d4b\u8bd5\u4e2d\uff0cPASS\u7684\u8d44\u6e90\u6210\u672c\u90fd\u662f\u6700\u4f4e\u7684\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113889\" alt=\"\u88683 \u4e09\u79cdauto-scaling\u65b9\u6cd5\u5728\u4e0d\u540cQoS\u548c\u6d4b\u8bd5\u65f6\u957f\uff08\u5c0f\u65f6\uff09\u573a\u666f\u4e0b\u7684\u7aef\u5230\u7aef\u6027\u80fd\" title=\"\u88683 \u4e09\u79cdauto-scaling\u65b9\u6cd5\u5728\u4e0d\u540cQoS\u548c\u6d4b\u8bd5\u65f6\u957f\uff08\u5c0f\u65f6\uff09\u573a\u666f\u4e0b\u7684\u7aef\u5230\u7aef\u6027\u80fd\" loading=\"lazy\"><\/p>\n<p>\uff08\u6bcf\u4e2a\u573a\u666f\u4e2d\uff0c\u7b2c\u4e00\u5217\u662fQoS\u4fdd\u969c\u7387\uff0c\u7b2c\u4e8c\u5217\u662f\u8d44\u6e90\u6210\u672c\uff08\u5b9e\u4f8b\u6570*\u5c0f\u65f6\uff09\uff1b \u7c97\u4f53\u7a81\u51fa\u663e\u793a\u6bcf\u4e2a\u6307\u6807\u7684\u6700\u4f73\u7ed3\u679c\uff09<\/p>\n<p>\u6211\u4eec\u4ece\u4e24\u4e2a\u65b9\u9762\u6765\u8bc4\u4f30\u5f39\u6027\u4f38\u7f29\u65b9\u6cd5\u7684\u6548\u679c\u3002QoS\u4fdd\u969c\u7387\u8861\u91cf\u4e86\u5e94\u7528\u8fdd\u53cdQoS\u7684\u65f6\u95f4\u957f\u5ea6\uff0c\u5176\u8ba1\u7b97\u65b9\u6cd5\u4e3aQoS\u5f97\u5230\u4fdd\u8bc1\u7684\u6301\u7eed\u65f6\u95f4\u4e0e\u603b\u65f6\u95f4\u957f\u5ea6\u7684\u6bd4\u503c\u3002\u8d44\u6e90\u6210\u672c\u901a\u8fc7\u8ba1\u7b97\u5b9e\u4f8b\u6570\u91cf\u548c\u65f6\u95f4\uff08\u4ee5\u5c0f\u65f6\u4e3a\u5355\u4f4d\uff09\u7684\u79ef\u5206\u5f97\u5230\u3002 \u7aef\u5230\u7aef\u5b9e\u9a8c\u7ed3\u679c\u5982\u88683\u6240\u793a\uff08\u6d4b\u8bd5\u8fc7\u7a0b\u8be6\u7ec6\u76d1\u63a7\u6570\u636e\u89c1\u56fe5\u548c\u56fe6\uff0c\u5305\u62ecQPS\u7cfb\u5217\u3001\u5b9e\u4f8b\u6570\u4ee5\u53caTP99\u3001TP999\u65f6\u5ef6\u7b49QoS\u6307\u6807\uff09\u3002\u6bcf\u4e2a\u6d4b\u8bd5\u573a\u666f\u63d0\u4f9b\u4e86QoS\u6307\u6807\u3001\u6d4b\u8bd5\u65f6\u957f\u4ee5\u53ca\u4e09\u79cd\u65b9\u6cd5\u7684QoS\u4fdd\u969c\u7387\u548c\u8d44\u6e90\u6210\u672c\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113890\" alt=\"\u56fe5 Scenario1\u7684\u7efc\u5408\u76d1\u63a7\u6570\u636e\uff1aQPS\u7cfb\u5217\u3001\u5b9e\u4f8b\u6570\u548cQoS\u6307\u6807\" title=\"\u56fe5 Scenario1\u7684\u7efc\u5408\u76d1\u63a7\u6570\u636e\uff1aQPS\u7cfb\u5217\u3001\u5b9e\u4f8b\u6570\u548cQoS\u6307\u6807\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046113891\" alt=\"\u56fe6 Scenario6\u7684\u7efc\u5408\u76d1\u63a7\u6570\u636e\uff1aQPS\u7cfb\u5217\u3001\u5b9e\u4f8b\u6570\u548cQoS\u6307\u6807\" title=\"\u56fe6 Scenario6\u7684\u7efc\u5408\u76d1\u63a7\u6570\u636e\uff1aQPS\u7cfb\u5217\u3001\u5b9e\u4f8b\u6570\u548cQoS\u6307\u6807\" loading=\"lazy\"><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e94\u7528\u5b9e\u4f8b\u542f\u52a8\u65f6\u5e76\u6ca1\u6709\u8fdb\u884c\u9884\u70ed\uff08\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u521d\u59cb\u5316\u3001\u7f13\u5b58\u9884\u6d4b\u7b49\uff09\uff0c\u56e0\u6b64\u5373\u4f7f\u5b9e\u4f8b\u63d0\u524d\u8fdb\u884c\u4e86\u6269\u5bb9\uff0c\u521d\u59cb\u5927\u91cf\u7684\u51b7\u67e5\u8be2\u4ecd\u7136\u4f1a\u5bfc\u81f4\u5c3e\u5ef6\u8fdf\u7a81\u7136\u589e\u52a0\u3002\u5982\u679c\u4e1a\u52a1\u65b9\u5728\u5176\u5b9e\u4f8b\u542f\u52a8\u903b\u8f91\u4e2d\u52a0\u5165\u9884\u70ed\uff0c\u6211\u4eec\u7684QoS\u4fdd\u969c\u7387\u5c06\u4f1a\u8fdb\u4e00\u6b65\u63d0\u9ad8\u3002<\/p>\n<h2>5 \u7ecf\u9a8c\u603b\u7ed3<\/h2>\n<ul>\n<li>\u4e0d\u540c\u4f01\u4e1a\u7684\u5e94\u7528\u573a\u666f\u53ef\u80fd\u5404\u4e0d\u76f8\u540c\uff0c\u573a\u666f\u590d\u6742\u7a0b\u5ea6\u4e5f\u4e0d\u4e00\uff0c\u5728\u5b9e\u9645\u843d\u5730\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e9b\u9876\u4f1a\u7b97\u6cd5\u4e0d\u4e00\u5b9a\u9002\u7528\u6211\u4eec\u573a\u666f\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u9700\u8981\u6211\u4eec\u4ed4\u7ec6\u7504\u522b\uff0c\u53d6\u957f\u8865\u77ed\uff0c\u56f4\u7ed5\u81ea\u8eab\u573a\u666f\u7279\u70b9\u8fdb\u884c\u7b97\u6cd5\u7684\u521b\u65b0\u7b80\u5316\u3002<\/li>\n<li>\u6a21\u578b\u5e76\u4e0d\u662f\u8d8a\u590d\u6742\u6027\u80fd\u8d8a\u597d\uff0c\u8981\u7ed3\u5408\u9884\u6d4b\u7684\u7279\u5f81\u4e0e\u573a\u666f\u6765\u9009\u62e9\u9884\u6d4b\u7b97\u6cd5\u3002<\/li>\n<li>\u9664\u4e86\u6a21\u578b\u6027\u80fd\u5916\uff0c\u6a21\u578b\u7684\u53ef\u843d\u5730\u6027\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u6bd4\u5982LSTNet\u652f\u6301\u540c\u65f6\u9884\u6d4b\u591a\u9879\u65f6\u95f4\u5e8f\u5217\uff0c\u9762\u5bf9\u5927\u89c4\u6a21\u670d\u52a1\u65f6\u80fd\u591f\u6781\u5927\u7684\u51cf\u5c11\u6a21\u578b\u843d\u5730\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<h2>6 \u5408\u4f5c\u65b9\u7b80\u4ecb<\/h2>\n<p>\u4e2d\u56fd\u4eba\u6c11\u5927\u5b66\u67f4\u4e91\u9e4f\u6559\u6388\u56e2\u961f\u81f4\u529b\u4e8e\u4e91\u8ba1\u7b97\u3001\u6570\u636e\u5e93\u7b49\u9886\u57df\u7684\u7cfb\u7edf\u7814\u7a76\u548c\u7814\u53d1\uff0c\u8fd1\u5e74\u56e2\u961f\u5728\u7cfb\u7edf\u548c\u6570\u636e\u5e93\u7b49\u9886\u57df\u7684\u91cd\u8981\u4f1a\u8baeASPLOS\u3001SOSP\u3001HPCA\u3001SIGMOD\u3001VLDB\u3001ICDE\u3001WWW\u7b49\u53d1\u8868\u591a\u7bc7\u9ad8\u6c34\u5e73\u8bba\u6587\u3002\u5728\u4e91\u8ba1\u7b97\u9886\u57df\uff0c\u8be5\u56e2\u961f\u9488\u5bf9\u8d44\u6e90\u9694\u79bb\u3001\u8d44\u6e90\u5206\u914d\u3001\u8d44\u6e90\u8c03\u5ea6\u7b49\u6838\u5fc3\u95ee\u9898\uff0c\u63d0\u51fa\u4e86\u4e00\u7cfb\u5217\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u5347\u5404\u79cd\u590d\u6742\u573a\u666f\u4e0b\u7684\u8d44\u6e90\u5229\u7528\u7387\uff0c\u540c\u65f6\u4fdd\u969c\u5e94\u7528\u7684\u670d\u52a1\u8d28\u91cf\uff0c\u63a8\u52a8\u4e91\u8ba1\u7b97\u6280\u672f\u7684\u8fdb\u6b65\u3002\u56e2\u961f\u9ad8\u5ea6\u91cd\u89c6\u79d1\u7814\u5de5\u4f5c\u7684\u5b9e\u7528\u4ef7\u503c\uff0c\u79ef\u6781\u63a8\u8fdb\u4e0e\u79d1\u6280\u9886\u57df\u4f01\u4e1a\u5408\u4f5c\uff0c\u9488\u5bf9\u4f01\u4e1a\u9762\u4e34\u7684\u6838\u5fc3\u6311\u6218\uff0c\u5c06\u521b\u65b0\u6027\u65b9\u6cd5\u5728\u5b9e\u9645\u7cfb\u7edf\u4e2d\u5b9e\u73b0\uff0c\u63a8\u52a8\u7814\u7a76\u6210\u679c\u7684\u5b9e\u9645\u843d\u5730\u4e0e\u5e94\u7528\uff0c\u540c\u65f6\u52a9\u529b\u5408\u4f5c\u4f19\u4f34\u6280\u672f\u80fd\u529b\u63d0\u5347\u548c\u5546\u4e1a\u4ef7\u503c\u5b9e\u73b0\u3002<\/p>\n<p><strong>|<\/strong>  \u5173\u6ce8\u300c\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u300d\u5fae\u4fe1\u516c\u4f17\u53f7\uff0c\u5728\u516c\u4f17\u53f7\u83dc\u5355\u680f\u5bf9\u8bdd\u6846\u56de\u590d\u30102024\u5e74\u8d27\u3011\u3001\u30102023\u5e74\u8d27\u3011\u3001\u30102023\u5e74\u8d27\u3011\u3001\u30102022\u5e74\u8d27\u3011\u3001\u30102021\u5e74\u8d27\u3011\u3001\u30102020\u5e74\u8d27\u3011\u3001\u30102019\u5e74\u8d27\u3011\u3001\u30102018\u5e74\u8d27\u3011\u3001\u30102017\u5e74\u8d27\u3011\u7b49\u5173\u952e\u8bcd\uff0c\u53ef\u67e5\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u5386\u5e74\u6280\u672f\u6587\u7ae0\u5408\u96c6\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042283403\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>| \u672c\u6587\u7cfb\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u51fa\u54c1\uff0c\u8457\u4f5c\u6743\u5f52\u5c5e\u7f8e\u56e2\u3002\u6b22\u8fce\u51fa\u4e8e\u5206\u4eab\u548c\u4ea4\u6d41\u7b49\u975e\u5546\u4e1a\u76ee\u7684\u8f6c\u8f7d\u6216\u4f7f\u7528\u672c\u6587\u5185\u5bb9\uff0c\u656c\u8bf7\u6ce8\u660e\u201c\u5185\u5bb9\u8f6c\u8f7d\u81ea\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u201d\u3002\u672c\u6587\u672a\u7ecf\u8bb8\u53ef\uff0c\u4e0d\u5f97\u8fdb\u884c\u5546\u4e1a\u6027\u8f6c\u8f7d\u6216\u8005\u4f7f\u7528\u3002\u4efb\u4f55\u5546\u7528\u884c\u4e3a\uff0c\u8bf7\u53d1\u9001\u90ae\u4ef6\u81f3<a href=\"https:\/\/segmentfault.com\/a\/mailto:tech@meituan.com\" target=\"_blank\" rel=\"noopener noreferrer\">tech@meituan.com<\/a>\u7533\u8bf7\u6388\u6743\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000046113878\">https:\/\/segmentfault.com\/a\/1190000046113878<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ba1\u7406\u4f01\u4e1a\u5927\u89c4\u6a21\u670d\u52a1\u7684\u5f39\u6027\u4f38\u7f29\u573a\u666f\u4e2d\uff0c\u5f80\u5f80\u4f1a\u9762\u4e34\u7740\u4e24\u4e2a\u6311\u6218\uff1a\u7b2c\u4e00\u4e2a\u6311\u6218\u662f\u7cbe\u51c6\u7684\u8d1f\u8f7d\u9884\u6d4b\uff0c\u7531\u4e8e\u5e94\u7528\u5b9e\u4f8b\u7684\u542f\u52a8\u9700\u8981\u4e00 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020656","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020656"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020656\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}