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\u81f3\u6697\u65f6\u523b<\/p>\n\n\n\n

2021\u5e747\u670813\u65e522:52\uff0cSRE\u6536\u5230\u5927\u91cf\u670d\u52a1\u548c\u57df\u540d\u7684\u63a5\u5165\u5c42\u4e0d\u53ef\u7528\u62a5\u8b66\uff0c\u5ba2\u670d\u4fa7\u5f00\u59cb\u6536\u5230\u5927\u91cf\u7528\u6237\u53cd\u9988B\u7ad9\u65e0\u6cd5\u4f7f\u7528\uff0c\u540c\u65f6\u5185\u90e8\u540c\u5b66\u4e5f\u53cd\u9988B\u7ad9\u65e0\u6cd5\u6253\u5f00\uff0c\u751a\u81f3APP\u9996\u9875\u4e5f\u65e0\u6cd5\u6253\u5f00\u3002\u57fa\u4e8e\u62a5\u8b66\u5185\u5bb9\uff0cSRE\u7b2c\u4e00\u65f6\u95f4\u6000\u7591\u673a\u623f\u3001\u7f51\u7edc\u3001\u56db\u5c42LB\u3001\u4e03\u5c42SLB\u7b49\u57fa\u7840\u8bbe\u65bd\u51fa\u73b0\u95ee\u9898\uff0c\u7d27\u6025\u53d1\u8d77\u8bed\u97f3\u4f1a\u8bae\uff0c\u62c9\u5404\u56e2\u961f\u76f8\u5173\u4eba\u5458\u5f00\u59cb\u7d27\u6025\u5904\u7406\uff08\u4e3a\u4e86\u65b9\u4fbf\u7406\u89e3\uff0c\u4e0b\u8ff0\u4e8b\u6545\u5904\u7406\u8fc7\u7a0b\u505a\u4e86\u90e8\u5206\u7b80\u5316\uff09\u3002<\/p>\n\n\n\n

\u521d\u56e0\u5b9a\u4f4d<\/p>\n\n\n\n

22:55 \u8fdc\u7a0b\u5728\u5bb6\u7684\u76f8\u5173\u540c\u5b66\u767b\u9646VPN\u540e\uff0c\u65e0\u6cd5\u767b\u9646\u5185\u7f51\u9274\u6743\u7cfb\u7edf\uff08B\u7ad9\u5185\u90e8\u7cfb\u7edf\u6709\u7edf\u4e00\u9274\u6743\uff0c\u9700\u8981\u5148\u83b7\u53d6\u767b\u5f55\u6001\u540e\u624d\u53ef\u767b\u9646\u5176\u4ed6\u5185\u90e8\u7cfb\u7edf\uff09\uff0c\u5bfc\u81f4\u65e0\u6cd5\u6253\u5f00\u5185\u90e8\u7cfb\u7edf\uff0c\u65e0\u6cd5\u53ca\u65f6\u67e5\u770b\u76d1\u63a7\u3001\u65e5\u5fd7\u6765\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n\n\n\n

22:57 \u5728\u516c\u53f8Oncall\u7684SRE\u540c\u5b66\uff08\u65e0\u9700VPN\u548c\u518d\u6b21\u767b\u5f55\u5185\u7f51\u9274\u6743\u7cfb\u7edf\uff09\u53d1\u73b0\u5728\u7ebf\u4e1a\u52a1\u4e3b\u673a\u623f\u4e03\u5c42SLB\uff08\u57fa\u4e8eOpenResty\u6784\u5efa\uff09 CPU 100%\uff0c\u65e0\u6cd5\u5904\u7406\u7528\u6237\u8bf7\u6c42\uff0c\u5176\u4ed6\u57fa\u7840\u8bbe\u65bd\u53cd\u9988\u672a\u51fa\u95ee\u9898\uff0c\u6b64\u65f6\u5df2\u786e\u8ba4\u662f\u63a5\u5165\u5c42\u4e03\u5c42SLB\u6545\u969c\uff0c\u6392\u9664SLB\u4ee5\u4e0b\u7684\u4e1a\u52a1\u5c42\u95ee\u9898\u3002<\/p>\n\n\n\n

23:07 \u8fdc\u7a0b\u5728\u5bb6\u7684\u540c\u5b66\u7d27\u6025\u8054\u7cfb\u8d1f\u8d23VPN\u548c\u5185\u7f51\u9274\u6743\u7cfb\u7edf\u7684\u540c\u5b66\u540e\uff0c\u4e86\u89e3\u53ef\u901a\u8fc7\u7eff\u8272\u901a\u9053\u767b\u5f55\u5230\u5185\u7f51\u7cfb\u7edf\u3002<\/p>\n\n\n\n

23:17 \u76f8\u5173\u540c\u5b66\u901a\u8fc7\u7eff\u8272\u901a\u9053\u9646\u7eed\u767b\u5f55\u5230\u5185\u7f51\u7cfb\u7edf\uff0c\u5f00\u59cb\u534f\u52a9\u5904\u7406\u95ee\u9898\uff0c\u6b64\u65f6\u5904\u7406\u4e8b\u6545\u7684\u6838\u5fc3\u540c\u5b66\uff08\u4e03\u5c42SLB\u3001\u56db\u5c42LB\u3001CDN\uff09\u5168\u90e8\u5230\u4f4d\u3002<\/p>\n\n\n\n

\u6545\u969c\u6b62\u635f<\/p>\n\n\n\n

23:20  SLB\u8fd0\u7ef4\u5206\u6790\u53d1\u73b0\u5728\u6545\u969c\u65f6\u6d41\u91cf\u6709\u7a81\u53d1\uff0c\u6000\u7591SLB\u56e0\u6d41\u91cf\u8fc7\u8f7d\u4e0d\u53ef\u7528\u3002\u56e0\u4e3b\u673a\u623fSLB\u627f\u8f7d\u5168\u90e8\u5728\u7ebf\u4e1a\u52a1\uff0c\u5148Reload SLB\u672a\u6062\u590d\u540e\u5c1d\u8bd5\u62d2\u7edd\u7528\u6237\u6d41\u91cf\u51b7\u91cd\u542fSLB\uff0c\u51b7\u91cd\u542f\u540eCPU\u4f9d\u7136100%\uff0c\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

23:22  \u4ece\u7528\u6237\u53cd\u9988\u6765\u770b\uff0c\u591a\u6d3b\u673a\u623f\u670d\u52a1\u4e5f\u4e0d\u53ef\u7528\u3002SLB\u8fd0\u7ef4\u5206\u6790\u53d1\u73b0\u591a\u6d3b\u673a\u623fSLB\u8bf7\u6c42\u5927\u91cf\u8d85\u65f6\uff0c\u4f46CPU\u672a\u8fc7\u8f7d\uff0c\u51c6\u5907\u91cd\u542f\u591a\u6d3b\u673a\u623fSLB\u5148\u5c1d\u8bd5\u6b62\u635f\u3002<\/p>\n\n\n\n

23:23  \u6b64\u65f6\u5185\u90e8\u7fa4\u91cc\u540c\u5b66\u53cd\u9988\u4e3b\u7ad9\u670d\u52a1\u5df2\u6062\u590d\uff0c\u89c2\u5bdf\u591a\u6d3b\u673a\u623fSLB\u76d1\u63a7\uff0c\u8bf7\u6c42\u8d85\u65f6\u6570\u91cf\u5927\u5927\u964d\u4f4e\uff0c\u4e1a\u52a1\u6210\u529f\u7387\u6062\u590d\u523050%\u4ee5\u4e0a\u3002\u6b64\u65f6\u505a\u4e86\u591a\u6d3b\u7684\u4e1a\u52a1\u6838\u5fc3\u529f\u80fd\u57fa\u672c\u6062\u590d\u6b63\u5e38\uff0c\u5982APP\u63a8\u8350\u3001APP\u64ad\u653e\u3001\u8bc4\u8bba&\u5f39\u5e55\u62c9\u53d6\u3001\u52a8\u6001\u3001\u8ffd\u756a\u3001\u5f71\u89c6\u7b49\u3002\u975e\u591a\u6d3b\u670d\u52a1\u6682\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

23:25 – 23:55 \u672a\u6062\u590d\u7684\u4e1a\u52a1\u6682\u65e0\u5176\u4ed6\u7acb\u5373\u6709\u6548\u7684\u6b62\u635f\u9884\u6848\uff0c\u6b64\u65f6\u5c1d\u8bd5\u6062\u590d\u4e3b\u673a\u623f\u7684SLB\u3002<\/p>\n\n\n\n

\u6211\u4eec\u901a\u8fc7Perf\u53d1\u73b0SLB CPU\u70ed\u70b9\u96c6\u4e2d\u5728Lua\u51fd\u6570\u4e0a\uff0c\u6000\u7591\u8ddf\u6700\u8fd1\u4e0a\u7ebf\u7684Lua\u4ee3\u7801\u6709\u5173\uff0c\u5f00\u59cb\u5c1d\u8bd5\u56de\u6eda\u6700\u8fd1\u4e0a\u7ebf\u7684Lua\u4ee3\u7801\u3002<\/p>\n\n\n\n

\u8fd1\u671fSLB\u914d\u5408\u5b89\u5168\u540c\u5b66\u4e0a\u7ebf\u4e86\u81ea\u7814Lua\u7248\u672c\u7684WAF\uff0c\u6000\u7591CPU\u70ed\u70b9\u8ddf\u6b64\u6709\u5173\uff0c\u5c1d\u8bd5\u53bb\u6389WAF\u540e\u91cd\u542fSLB\uff0cSLB\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

SLB\u4e24\u5468\u524d\u4f18\u5316\u4e86Nginx\u5728balance_by_lua\u9636\u6bb5\u7684\u91cd\u8bd5\u903b\u8f91\uff0c\u907f\u514d\u8bf7\u6c42\u91cd\u8bd5\u65f6\u8bf7\u6c42\u5230\u4e0a\u4e00\u6b21\u7684\u4e0d\u53ef\u7528\u8282\u70b9\uff0c\u6b64\u5904\u6709\u4e00\u4e2a\u6700\u591a10\u6b21\u7684\u5faa\u73af\u903b\u8f91\uff0c\u6000\u7591\u6b64\u5904\u6709\u6027\u80fd\u70ed\u70b9\uff0c\u5c1d\u8bd5\u56de\u6eda\u540e\u91cd\u542fSLB\uff0c\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

SLB\u4e00\u5468\u524d\u4e0a\u7ebf\u7070\u5ea6\u4e86\u5bf9 HTTP2 \u534f\u8bae\u7684\u652f\u6301\uff0c\u5c1d\u8bd5\u53bb\u6389 H2 \u534f\u8bae\u76f8\u5173\u7684\u914d\u7f6e\u5e76\u91cd\u542fSLB\uff0c\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

\u65b0\u5efa\u6e90\u7ad9SLB
00:00  SLB\u8fd0\u7ef4\u5c1d\u8bd5\u56de\u6eda\u76f8\u5173\u914d\u7f6e\u4f9d\u65e7\u65e0\u6cd5\u6062\u590dSLB\u540e\uff0c\u51b3\u5b9a\u91cd\u5efa\u4e00\u7ec4\u5168\u65b0\u7684SLB\u96c6\u7fa4\uff0c\u8ba9CDN\u628a\u6545\u969c\u4e1a\u52a1\u516c\u7f51\u6d41\u91cf\u8c03\u5ea6\u8fc7\u6765\uff0c\u901a\u8fc7\u6d41\u91cf\u9694\u79bb\u89c2\u5bdf\u4e1a\u52a1\u80fd\u5426\u6062\u590d\u3002<\/p>\n\n\n\n

00:20  SLB\u65b0\u96c6\u7fa4\u521d\u59cb\u5316\u5b8c\u6210\uff0c\u5f00\u59cb\u914d\u7f6e\u56db\u5c42LB\u548c\u516c\u7f51IP\u3002<\/p>\n\n\n\n

01:00  SLB\u65b0\u96c6\u7fa4\u521d\u59cb\u5316\u548c\u6d4b\u8bd5\u5168\u90e8\u5b8c\u6210\uff0cCDN\u5f00\u59cb\u5207\u91cf\u3002SLB\u8fd0\u7ef4\u7ee7\u7eed\u6392\u67e5CPU 100%\u7684\u95ee\u9898\uff0c\u5207\u91cf\u7531\u4e1a\u52a1SRE\u540c\u5b66\u534f\u52a9\u3002<\/p>\n\n\n\n

01:18  \u76f4\u64ad\u4e1a\u52a1\u6d41\u91cf\u5207\u6362\u5230SLB\u65b0\u96c6\u7fa4\uff0c\u76f4\u64ad\u4e1a\u52a1\u6062\u590d\u6b63\u5e38\u3002<\/p>\n\n\n\n

01:40  \u4e3b\u7ad9\u3001\u7535\u5546\u3001\u6f2b\u753b\u3001\u652f\u4ed8\u7b49\u6838\u5fc3\u4e1a\u52a1\u9646\u7eed\u5207\u6362\u5230SLB\u65b0\u96c6\u7fa4\uff0c\u4e1a\u52a1\u6062\u590d\u3002<\/p>\n\n\n\n

01:50  \u6b64\u65f6\u5728\u7ebf\u4e1a\u52a1\u57fa\u672c\u5168\u90e8\u6062\u590d\u3002<\/p>\n\n\n\n

\u6062\u590dSLB<\/p>\n\n\n\n

01:00 SLB\u65b0\u96c6\u7fa4\u642d\u5efa\u5b8c\u6210\u540e\uff0c\u5728\u7ed9\u4e1a\u52a1\u5207\u91cf\u6b62\u635f\u7684\u540c\u65f6\uff0cSLB\u8fd0\u7ef4\u5f00\u59cb\u7ee7\u7eed\u5206\u6790CPU 100%\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n

01:10 – 01:27 \u4f7f\u7528Lua \u7a0b\u5e8f\u5206\u6790\u5de5\u5177\u8dd1\u51fa\u4e00\u4efd\u8be6\u7ec6\u7684\u706b\u7130\u56fe\u6570\u636e\u5e76\u52a0\u4ee5\u5206\u6790\uff0c\u53d1\u73b0 CPU \u70ed\u70b9\u660e\u663e\u96c6\u4e2d\u5728\u5bf9 lua-resty-balancer \u6a21\u5757\u7684\u8c03\u7528\u4e2d\uff0c\u4ece SLB \u6d41\u91cf\u5165\u53e3\u903b\u8f91\u4e00\u76f4\u5206\u6790\u5230\u5e95\u5c42\u6a21\u5757\u8c03\u7528\uff0c\u53d1\u73b0\u8be5\u6a21\u5757\u5185\u6709\u591a\u4e2a\u51fd\u6570\u53ef\u80fd\u5b58\u5728\u70ed\u70b9\u3002<\/p>\n\n\n\n

01:28 – 01:38 \u9009\u62e9\u4e00\u53f0SLB\u8282\u70b9\uff0c\u5728\u53ef\u80fd\u5b58\u5728\u70ed\u70b9\u7684\u51fd\u6570\u5185\u6dfb\u52a0 debug \u65e5\u5fd7\uff0c\u5e76\u91cd\u542f\u89c2\u5bdf\u8fd9\u4e9b\u70ed\u70b9\u51fd\u6570\u7684\u6267\u884c\u7ed3\u679c\u3002<\/p>\n\n\n\n

01:39 – 01:58 \u5728\u5206\u6790 debug \u65e5\u5fd7\u540e\uff0c\u53d1\u73b0 lua-resty-balancer\u6a21\u5757\u4e2d\u7684 _gcd \u51fd\u6570\u5728\u67d0\u6b21\u6267\u884c\u540e\u8fd4\u56de\u4e86\u4e00\u4e2a\u9884\u671f\u5916\u7684\u503c\uff1anan\uff0c\u540c\u65f6\u53d1\u73b0\u4e86\u89e6\u53d1\u8bf1\u56e0\u7684\u6761\u4ef6\uff1a\u67d0\u4e2a\u5bb9\u5668IP\u7684weight=0\u3002<\/p>\n\n\n\n

01:59 – 02:06 \u6000\u7591\u662f\u8be5 _gcd \u51fd\u6570\u89e6\u53d1\u4e86 jit \u7f16\u8bd1\u5668\u7684\u67d0\u4e2a bug\uff0c\u8fd0\u884c\u51fa\u9519\u9677\u5165\u6b7b\u5faa\u73af\u5bfc\u81f4SLB CPU 100%\uff0c\u4e34\u65f6\u89e3\u51b3\u65b9\u6848\uff1a\u5168\u5c40\u5173\u95ed jit \u7f16\u8bd1\u3002<\/p>\n\n\n\n

02:07 SLB\u8fd0\u7ef4\u4fee\u6539SLB \u96c6\u7fa4\u7684\u914d\u7f6e\uff0c\u5173\u95ed jit \u7f16\u8bd1\u5e76\u5206\u6279\u91cd\u542f\u8fdb\u7a0b\uff0cSLB CPU \u5168\u90e8\u6062\u590d\u6b63\u5e38\uff0c\u53ef\u6b63\u5e38\u5904\u7406\u8bf7\u6c42\u3002\u540c\u65f6\u4fdd\u7559\u4e86\u4e00\u4efd\u5f02\u5e38\u73b0\u573a\u4e0b\u7684\u8fdb\u7a0bcore\u6587\u4ef6\uff0c\u7559\u4f5c\u540e\u7eed\u5206\u6790\u4f7f\u7528\u3002<\/p>\n\n\n\n

02:31 – 03:50 SLB\u8fd0\u7ef4\u4fee\u6539\u5176\u4ed6SLB\u96c6\u7fa4\u7684\u914d\u7f6e\uff0c\u4e34\u65f6\u5173\u95ed jit \u7f16\u8bd1\uff0c\u89c4\u907f\u98ce\u9669\u3002<\/p>\n\n\n\n

\u6839\u56e0\u5b9a\u4f4d<\/p>\n\n\n\n

11:40 \u5728\u7ebf\u4e0b\u73af\u5883\u6210\u529f\u590d\u73b0\u51fa\u8be5 bug\uff0c\u540c\u65f6\u53d1\u73b0SLB \u5373\u4f7f\u5173\u95ed jit \u7f16\u8bd1\u4e5f\u4ecd\u7136\u5b58\u5728\u8be5\u95ee\u9898\u3002\u6b64\u65f6\u6211\u4eec\u4e5f\u8fdb\u4e00\u6b65\u5b9a\u4f4d\u5230\u6b64\u95ee\u9898\u53d1\u751f\u7684\u8bf1\u56e0\uff1a\u5728\u670d\u52a1\u7684\u67d0\u79cd\u7279\u6b8a\u53d1\u5e03\u6a21\u5f0f\u4e2d\uff0c\u4f1a\u51fa\u73b0\u5bb9\u5668\u5b9e\u4f8b\u6743\u91cd\u4e3a0\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n

12:30 \u7ecf\u8fc7\u5185\u90e8\u8ba8\u8bba\uff0c\u6211\u4eec\u8ba4\u4e3a\u8be5\u95ee\u9898\u5e76\u672a\u5f7b\u5e95\u89e3\u51b3\uff0cSLB \u4ecd\u7136\u5b58\u5728\u6781\u5927\u98ce\u9669\uff0c\u4e3a\u4e86\u907f\u514d\u95ee\u9898\u7684\u518d\u6b21\u4ea7\u751f\uff0c\u6700\u7ec8\u51b3\u5b9a\uff1a\u5e73\u53f0\u7981\u6b62\u6b64\u53d1\u5e03\u6a21\u5f0f\uff1bSLB \u5148\u5ffd\u7565\u6ce8\u518c\u4e2d\u5fc3\u8fd4\u56de\u7684\u6743\u91cd\uff0c\u5f3a\u5236\u6307\u5b9a\u6743\u91cd\u3002<\/p>\n\n\n\n

13:24 \u53d1\u5e03\u5e73\u53f0\u7981\u6b62\u6b64\u53d1\u5e03\u6a21\u5f0f\u3002<\/p>\n\n\n\n

14:06 SLB \u4fee\u6539Lua\u4ee3\u7801\u5ffd\u7565\u6ce8\u518c\u4e2d\u5fc3\u8fd4\u56de\u7684\u6743\u91cd\u3002<\/p>\n\n\n\n

14:30 SLB \u5728UAT\u73af\u5883\u53d1\u7248\u5347\u7ea7\uff0c\u5e76\u591a\u6b21\u9a8c\u8bc1\u8282\u70b9\u6743\u91cd\u7b26\u5408\u9884\u671f\uff0c\u6b64\u95ee\u9898\u4e0d\u518d\u4ea7\u751f\u3002<\/p>\n\n\n\n

15:00 – 20:00 \u751f\u4ea7\u6240\u6709 SLB \u96c6\u7fa4\u9010\u6e10\u7070\u5ea6\u5e76\u5168\u91cf\u5347\u7ea7\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u539f\u56e0\u8bf4\u660e<\/p>\n\n\n\n

\u80cc\u666f<\/p>\n\n\n\n

B\u7ad9\u572819\u5e749\u6708\u4efd\u4eceTengine\u8fc1\u79fb\u5230\u4e86OpenResty\uff0c\u57fa\u4e8e\u5176\u4e30\u5bcc\u7684Lua\u80fd\u529b\u5f00\u53d1\u4e86\u4e00\u4e2a\u670d\u52a1\u53d1\u73b0\u6a21\u5757\uff0c\u4ece\u6211\u4eec\u81ea\u7814\u7684\u6ce8\u518c\u4e2d\u5fc3\u540c\u6b65\u670d\u52a1\u6ce8\u518c\u4fe1\u606f\u5230Nginx\u5171\u4eab\u5185\u5b58\u4e2d\uff0cSLB\u5728\u8bf7\u6c42\u8f6c\u53d1\u65f6\uff0c\u901a\u8fc7Lua\u4ece\u5171\u4eab\u5185\u5b58\u4e2d\u9009\u62e9\u8282\u70b9\u5904\u7406\u8bf7\u6c42\uff0c\u7528\u5230\u4e86OpenResty\u7684lua-resty-balancer\u6a21\u5757\u3002\u5230\u53d1\u751f\u6545\u969c\u65f6\u5df2\u7a33\u5b9a\u8fd0\u884c\u5feb\u4e24\u5e74\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u5728\u6545\u969c\u53d1\u751f\u7684\u524d\u4e24\u4e2a\u6708\uff0c\u6709\u4e1a\u52a1\u63d0\u51fa\u60f3\u901a\u8fc7\u670d\u52a1\u5728\u6ce8\u518c\u4e2d\u5fc3\u7684\u6743\u91cd\u53d8\u66f4\u6765\u5b9e\u73b0SLB\u7684\u52a8\u6001\u8c03\u6743\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u7070\u5ea6\u80fd\u529b\u3002SLB\u56e2\u961f\u8bc4\u4f30\u4e86\u6b64\u9700\u6c42\u540e\u8ba4\u4e3a\u53ef\u4ee5\u652f\u6301\uff0c\u5f00\u53d1\u5b8c\u6210\u540e\u7070\u5ea6\u4e0a\u7ebf\u3002<\/p>\n\n\n\n

\u8bf1\u56e0<\/p>\n\n\n\n

\u5728\u67d0\u79cd\u53d1\u5e03\u6a21\u5f0f\u4e2d\uff0c\u5e94\u7528\u7684\u5b9e\u4f8b\u6743\u91cd\u4f1a\u77ed\u6682\u7684\u8c03\u6574\u4e3a0\uff0c\u6b64\u65f6\u6ce8\u518c\u4e2d\u5fc3\u8fd4\u56de\u7ed9SLB\u7684\u6743\u91cd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684”0″\u3002\u6b64\u53d1\u5e03\u6a21\u5f0f\u53ea\u6709\u751f\u4ea7\u73af\u5883\u4f1a\u7528\u5230\uff0c\u540c\u65f6\u4f7f\u7528\u7684\u9891\u7387\u6781\u4f4e\uff0c\u5728SLB\u524d\u671f\u7070\u5ea6\u8fc7\u7a0b\u4e2d\u672a\u89e6\u53d1\u6b64\u95ee\u9898\u3002<\/p>\n\n\n\n

SLB \u5728balance_by_lua\u9636\u6bb5\uff0c\u4f1a\u5c06\u5171\u4eab\u5185\u5b58\u4e2d\u4fdd\u5b58\u7684\u670d\u52a1IP\u3001Port\u3001Weight \u4f5c\u4e3a\u53c2\u6570\u4f20\u7ed9lua-resty-balancer\u6a21\u5757\u7528\u4e8e\u9009\u62e9upstream server\uff0c\u5728\u8282\u70b9 weight = “0” \u65f6\uff0cbalancer \u6a21\u5757\u4e2d\u7684 _gcd \u51fd\u6570\u6536\u5230\u7684\u5165\u53c2 b \u53ef\u80fd\u4e3a “0”\u3002<\/p>\n\n\n\n

\u6839\u56e0<\/p>\n\n\n\n

Lua \u662f\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u5e38\u7528\u4e60\u60ef\u91cc\u53d8\u91cf\u4e0d\u9700\u8981\u5b9a\u4e49\u7c7b\u578b\uff0c\u53ea\u9700\u8981\u4e3a\u53d8\u91cf\u8d4b\u503c\u5373\u53ef\u3002<\/p>\n\n\n\n

Lua\u5728\u5bf9\u4e00\u4e2a\u6570\u5b57\u5b57\u7b26\u4e32\u8fdb\u884c\u7b97\u672f\u64cd\u4f5c\u65f6\uff0c\u4f1a\u5c1d\u8bd5\u5c06\u8fd9\u4e2a\u6570\u5b57\u5b57\u7b26\u4e32\u8f6c\u6210\u4e00\u4e2a\u6570\u5b57\u3002<\/p>\n\n\n\n

\u5728 Lua \u8bed\u8a00\u4e2d\uff0c\u5982\u679c\u6267\u884c\u6570\u5b66\u8fd0\u7b97 n % 0\uff0c\u5219\u7ed3\u679c\u4f1a\u53d8\u4e3a nan\uff08Not A Number\uff09\u3002<\/p>\n\n\n\n

_gcd\u51fd\u6570\u5bf9\u5165\u53c2\u6ca1\u6709\u505a\u7c7b\u578b\u6821\u9a8c\uff0c\u5141\u8bb8\u53c2\u6570b\u4f20\u5165\uff1a”0″\u3002\u540c\u65f6\u56e0\u4e3a”0″ != 0\uff0c\u6240\u4ee5\u6b64\u51fd\u6570\u7b2c\u4e00\u6b21\u6267\u884c\u540e\u8fd4\u56de\u662f _gcd(“0”,nan)\u3002\u5982\u679c\u4f20\u5165\u7684\u662fint 0\uff0c\u5219\u4f1a\u89e6\u53d1[ if b == 0 ]\u5206\u652f\u903b\u8f91\u5224\u65ad\uff0c\u4e0d\u4f1a\u6b7b\u5faa\u73af\u3002<\/p>\n\n\n\n

_gcd(“0”,nan)\u51fd\u6570\u518d\u6b21\u6267\u884c\u65f6\u8fd4\u56de\u503c\u662f _gcd(nan,nan)\uff0c\u7136\u540eNginx worker\u5f00\u59cb\u9677\u5165\u6b7b\u5faa\u73af\uff0c\u8fdb\u7a0b CPU 100%\u3002<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

\u95ee\u9898\u5206\u6790<\/p>\n\n\n\n

  1. \u4e3a\u4f55\u6545\u969c\u521a\u53d1\u751f\u65f6\u65e0\u6cd5\u767b\u9646\u5185\u7f51\u540e\u53f0\uff1f<\/li><\/ol>\n\n\n\n

    \u4e8b\u540e\u590d\u76d8\u53d1\u73b0\uff0c\u7528\u6237\u5728\u767b\u5f55\u5185\u7f51\u9274\u6743\u7cfb\u7edf\u65f6\uff0c\u9274\u6743\u7cfb\u7edf\u4f1a\u8df3\u8f6c\u5230\u591a\u4e2a\u57df\u540d\u4e0b\u79cd\u767b\u5f55\u7684Cookie\uff0c\u5176\u4e2d\u4e00\u4e2a\u57df\u540d\u662f\u7531\u6545\u969c\u7684SLB\u4ee3\u7406\u7684\uff0c\u53d7SLB\u6545\u969c\u5f71\u54cd\u5f53\u65f6\u6b64\u57df\u540d\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\uff0c\u5bfc\u81f4\u7528\u6237\u767b\u5f55\u5931\u8d25\u3002\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \u4e8b\u540e\u6211\u4eec\u68b3\u7406\u4e86\u529e\u516c\u7f51\u7cfb\u7edf\u7684\u8bbf\u95ee\u94fe\u8def\uff0c\u8ddf\u7528\u6237\u94fe\u8def\u9694\u79bb\u5f00\uff0c\u529e\u516c\u7f51\u94fe\u8def\u4e0d\u518d\u4f9d\u8d56\u7528\u6237\u8bbf\u95ee\u94fe\u8def\u3002<\/p>\n\n\n\n

    1. \u4e3a\u4f55\u591a\u6d3bSLB\u5728\u6545\u969c\u5f00\u59cb\u9636\u6bb5\u4e5f\u4e0d\u53ef\u7528\uff1f<\/li><\/ol>\n\n\n\n

      \u591a\u6d3bSLB\u5728\u6545\u969c\u65f6\u56e0CDN\u6d41\u91cf\u56de\u6e90\u91cd\u8bd5\u548c\u7528\u6237\u91cd\u8bd5\uff0c\u6d41\u91cf\u7a81\u589e4\u500d\u4ee5\u4e0a\uff0c\u8fde\u63a5\u6570\u7a81\u589e100\u500d\u52301000W\u7ea7\u522b\uff0c\u5bfc\u81f4\u8fd9\u7ec4SLB\u8fc7\u8f7d\u3002\u540e\u56e0\u6d41\u91cf\u4e0b\u964d\u548c\u91cd\u542f\uff0c\u9010\u6e10\u6062\u590d\u3002\u6b64SLB\u96c6\u7fa4\u65e5\u5e38\u665a\u9ad8\u5cf0CPU\u4f7f\u7528\u738730%\u5de6\u53f3\uff0c\u5269\u4f59Buffer\u4e0d\u8db3\u4e24\u500d\u3002\u5982\u679c\u591a\u6d3bSLB\u5bb9\u91cf\u5145\u8db3\uff0c\u7406\u8bba\u4e0a\u53ef\u627f\u8f7d\u4f4f\u7a81\u53d1\u6d41\u91cf\uff0c \u591a\u6d3b\u4e1a\u52a1\u53ef\u7acb\u5373\u6062\u590d\u6b63\u5e38\u3002\u6b64\u5904\u4e5f\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u53d1\u751f\u673a\u623f\u7ea7\u522b\u6545\u969c\u65f6\uff0c\u591a\u6d3b\u662f\u4e1a\u52a1\u5bb9\u707e\u6b62\u635f\u6700\u5feb\u7684\u65b9\u6848\uff0c\u8fd9\u4e5f\u662f\u6545\u969c\u540e\u6211\u4eec\u91cd\u70b9\u6295\u5165\u6cbb\u7406\u7684\u4e00\u4e2a\u65b9\u5411\u3002<\/p>\n\n\n\n

      1. \u4e3a\u4f55\u5728\u56de\u6edaSLB\u53d8\u66f4\u65e0\u6548\u540e\u624d\u9009\u62e9\u65b0\u5efa\u6e90\u7ad9\u5207\u91cf\uff0c\u800c\u4e0d\u662f\u5e76\u884c\uff1f<\/li><\/ol>\n\n\n\n

        \u6211\u4eec\u7684SLB\u56e2\u961f\u89c4\u6a21\u8f83\u5c0f\uff0c\u5f53\u65f6\u53ea\u6709\u4e00\u4f4d\u5e73\u53f0\u5f00\u53d1\u548c\u4e00\u4f4d\u7ec4\u4ef6\u8fd0\u7ef4\u3002\u5728\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u867d\u6709\u5176\u4ed6\u540c\u5b66\u534f\u52a9\uff0c\u4f46SLB\u7ec4\u4ef6\u7684\u6838\u5fc3\u53d8\u66f4\u9700\u8981\u7ec4\u4ef6\u8fd0\u7ef4\u540c\u5b66\u6267\u884c\u6216review\uff0c\u6240\u4ee5\u65e0\u6cd5\u5e76\u884c\u3002<\/p>\n\n\n\n

        1. \u4e3a\u4f55\u65b0\u5efa\u6e90\u7ad9\u5207\u6d41\u8017\u65f6\u8fd9\u4e48\u4e45\uff1f<\/li><\/ol>\n\n\n\n

          \u6211\u4eec\u7684\u516c\u7f51\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n

          \u6b64\u5904\u6d89\u53ca\u4e09\u4e2a\u56e2\u961f\uff1a<\/p>\n\n\n\n

          SLB\u56e2\u961f\uff1a\u9009\u62e9SLB\u673a\u5668\u3001SLB\u673a\u5668\u521d\u59cb\u5316\u3001SLB\u914d\u7f6e\u521d\u59cb\u5316<\/p>\n\n\n\n

          \u56db\u5c42LB\u56e2\u961f\uff1aSLB\u56db\u5c42LB\u516c\u7f51IP\u914d\u7f6e<\/p>\n\n\n\n

          CDN\u56e2\u961f\uff1aCDN\u66f4\u65b0\u56de\u6e90\u516c\u7f51IP\u3001CDN\u5207\u91cf<\/p>\n\n\n\n

          SLB\u7684\u9884\u6848\u4e2d\u53ea\u6f14\u7ec3\u8fc7SLB\u673a\u5668\u521d\u59cb\u5316\u3001\u914d\u7f6e\u521d\u59cb\u5316\uff0c\u4f46\u548c\u56db\u5c42LB\u516c\u7f51IP\u914d\u7f6e\u3001CDN\u4e4b\u95f4\u7684\u534f\u4f5c\u5e76\u6ca1\u6709\u505a\u8fc7\u5168\u94fe\u8def\u6f14\u7ec3\uff0c\u5143\u4fe1\u606f\u5728\u5e73\u53f0\u4e4b\u95f4\u4e5f\u6ca1\u6709\u8054\u52a8\uff0c\u6bd4\u5982\u56db\u5c42LB\u7684Real Server\u4fe1\u606f\u63d0\u4f9b\u3001\u516c\u7f51\u8fd0\u8425\u5546\u7ebf\u8def\u3001CDN\u56de\u6e90IP\u7684\u66f4\u65b0\u7b49\u3002\u6240\u4ee5\u4e00\u6b21\u5b8c\u6574\u7684\u65b0\u5efa\u6e90\u7ad9\u8017\u65f6\u975e\u5e38\u4e45\u3002\u5728\u4e8b\u6545\u540e\u8fd9\u4e00\u5757\u7684\u8054\u52a8\u548c\u81ea\u52a8\u5316\u4e5f\u662f\u6211\u4eec\u7684\u91cd\u70b9\u4f18\u5316\u65b9\u5411\uff0c\u76ee\u524d\u4e00\u6b21\u65b0\u96c6\u7fa4\u521b\u5efa\u3001\u521d\u59cb\u5316\u3001\u56db\u5c42LB\u516c\u7f51IP\u914d\u7f6e\u5df2\u7ecf\u80fd\u4f18\u5316\u52305\u5206\u949f\u4ee5\u5185\u3002<\/p>\n\n\n\n

          1. \u540e\u7eed\u6839\u56e0\u5b9a\u4f4d\u540e\u8bc1\u660e\u5173\u95edjit\u7f16\u8bd1\u5e76\u6ca1\u6709\u89e3\u51b3\u95ee\u9898\uff0c\u90a3\u5f53\u665a\u6545\u969c\u7684SLB\u662f\u5982\u4f55\u6062\u590d\u7684\uff1f<\/li><\/ol>\n\n\n\n

            \u5f53\u665a\u5df2\u5b9a\u4f4d\u5230\u8bf1\u56e0\u662f\u67d0\u4e2a\u5bb9\u5668IP\u7684weight=”0″\u3002\u6b64\u5e94\u7528\u57281:45\u65f6\u53d1\u5e03\u5b8c\u6210\uff0cweight=”0″\u7684\u8bf1\u56e0\u5df2\u6d88\u9664\u3002\u6240\u4ee5\u540e\u7eed\u5173\u95edjit\u867d\u7136\u65e0\u6548\uff0c\u4f46\u56e0\u4e3a\u8bf1\u56e0\u6d88\u5931\uff0c\u6240\u4ee5\u91cd\u542fSLB\u540e\u6062\u590d\u6b63\u5e38\u3002<\/p>\n\n\n\n

            \u5982\u679c\u5f53\u65f6\u8bf1\u56e0\u672a\u6d88\u5931\uff0cSLB\u5173\u95edjit\u7f16\u8bd1\u540e\u672a\u6062\u590d\uff0c\u57fa\u4e8e\u5b9a\u4f4d\u5230\u7684\u8bf1\u56e0\u4fe1\u606f\uff1a\u67d0\u4e2a\u5bb9\u5668IP\u7684weight=0\uff0c\u4e5f\u80fd\u5b9a\u4f4d\u5230\u6b64\u670d\u52a1\u548c\u5176\u53d1\u5e03\u6a21\u5f0f\uff0c\u5feb\u901f\u5b9a\u4f4d\u6839\u56e0\u3002<\/p>\n\n\n\n

            \u4f18\u5316\u6539\u8fdb<\/p>\n\n\n\n

            \u6b64\u4e8b\u6545\u4e0d\u7ba1\u662f\u6280\u672f\u4fa7\u8fd8\u662f\u7ba1\u7406\u4fa7\u90fd\u6709\u5f88\u591a\u4f18\u5316\u6539\u8fdb\u3002\u6b64\u5904\u6211\u4eec\u53ea\u5217\u4e3e\u5f53\u65f6\u5236\u5b9a\u7684\u6280\u672f\u4fa7\u6838\u5fc3\u4f18\u5316\u6539\u8fdb\u65b9\u5411\u3002<\/p>\n\n\n\n

            1. \u591a\u6d3b\u5efa\u8bbe<\/li><\/ol>\n\n\n\n

              \u572823:23\u65f6\uff0c\u505a\u4e86\u591a\u6d3b\u7684\u4e1a\u52a1\u6838\u5fc3\u529f\u80fd\u57fa\u672c\u6062\u590d\u6b63\u5e38\uff0c\u5982APP\u63a8\u8350\u3001APP\u64ad\u653e\u3001\u8bc4\u8bba&\u5f39\u5e55\u62c9\u53d6\u3001\u52a8\u6001\u3001\u8ffd\u756a\u3001\u5f71\u89c6\u7b49\u3002\u6545\u969c\u65f6\u76f4\u64ad\u4e1a\u52a1\u4e5f\u505a\u4e86\u591a\u6d3b\uff0c\u4f46\u5f53\u665a\u6ca1\u53ca\u65f6\u6062\u590d\u7684\u539f\u56e0\u662f\uff1a\u76f4\u64ad\u79fb\u52a8\u7aef\u9996\u9875\u63a5\u53e3\u867d\u7136\u5b9e\u73b0\u4e86\u591a\u6d3b\uff0c\u4f46\u6ca1\u914d\u7f6e\u591a\u673a\u623f\u8c03\u5ea6\u3002\u5bfc\u81f4\u5728\u4e3b\u673a\u623fSLB\u4e0d\u53ef\u7528\u65f6\u76f4\u64adAPP\u9996\u9875\u4e00\u76f4\u6253\u4e0d\u5f00\uff0c\u975e\u5e38\u53ef\u60dc\u3002\u901a\u8fc7\u8fd9\u6b21\u4e8b\u6545\uff0c\u6211\u4eec\u53d1\u73b0\u4e86\u591a\u6d3b\u67b6\u6784\u5b58\u5728\u7684\u4e00\u4e9b\u4e25\u91cd\u95ee\u9898\uff1a<\/p>\n\n\n\n

              \u591a\u6d3b\u57fa\u67b6\u80fd\u529b\u4e0d\u8db3<\/p>\n\n\n\n

              \u673a\u623f\u4e0e\u4e1a\u52a1\u591a\u6d3b\u5b9a\u4f4d\u5173\u7cfb\u6df7\u4e71\u3002<\/p>\n\n\n\n

              CDN\u591a\u673a\u623f\u6d41\u91cf\u8c03\u5ea6\u4e0d\u652f\u6301\u7528\u6237\u5c5e\u6027\u56fa\u5b9a\u8def\u7531\u548c\u5206\u7247\u3002<\/p>\n\n\n\n

              \u4e1a\u52a1\u591a\u6d3b\u67b6\u6784\u4e0d\u652f\u6301\u5199\uff0c\u5199\u529f\u80fd\u5f53\u65f6\u672a\u6062\u590d\u3002<\/p>\n\n\n\n

              \u90e8\u5206\u5b58\u50a8\u7ec4\u4ef6\u591a\u6d3b\u540c\u6b65\u548c\u5207\u6362\u80fd\u529b\u4e0d\u8db3\uff0c\u65e0\u6cd5\u5b9e\u73b0\u591a\u6d3b\u3002<\/p>\n\n\n\n

              \u4e1a\u52a1\u591a\u6d3b\u5143\u4fe1\u606f\u7f3a\u4e4f\u5e73\u53f0\u7ba1\u7406<\/p>\n\n\n\n

              \u54ea\u4e2a\u4e1a\u52a1\u505a\u4e86\u591a\u6d3b\uff1f<\/p>\n\n\n\n

              \u4e1a\u52a1\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\u591a\u6d3b\uff0c\u540c\u57ce\u53cc\u6d3b\u8fd8\u662f\u5f02\u5730\u5355\u5143\u5316\uff1f<\/p>\n\n\n\n

              \u4e1a\u52a1\u54ea\u4e9bURL\u89c4\u5219\u652f\u6301\u591a\u6d3b\uff0c\u76ee\u524d\u591a\u6d3b\u6d41\u91cf\u8c03\u5ea6\u7b56\u7565\u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n

              \u4e0a\u8ff0\u4fe1\u606f\u5f53\u65f6\u53ea\u80fd\u7528\u6587\u6863\u4e34\u65f6\u7ef4\u62a4\uff0c\u6ca1\u6709\u5e73\u53f0\u7edf\u4e00\u7ba1\u7406\u548c\u7f16\u6392\u3002<\/p>\n\n\n\n

              \u591a\u6d3b\u5207\u91cf\u5bb9\u707e\u80fd\u529b\u8584\u5f31<\/p>\n\n\n\n

              \u591a\u6d3b\u5207\u91cf\u4f9d\u8d56CDN\u540c\u5b66\u6267\u884c\uff0c\u5176\u4ed6\u4eba\u5458\u65e0\u6743\u9650\uff0c\u6548\u7387\u4f4e\u3002<\/p>\n\n\n\n

              \u65e0\u5207\u91cf\u7ba1\u7406\u5e73\u53f0\uff0c\u6574\u4e2a\u5207\u91cf\u8fc7\u7a0b\u4e0d\u53ef\u89c6\u3002<\/p>\n\n\n\n

              \u63a5\u5165\u5c42\u3001\u5b58\u50a8\u5c42\u5207\u91cf\u5206\u79bb\uff0c\u5207\u91cf\u4e0d\u53ef\u7f16\u6392\u3002<\/p>\n\n\n\n

              \u65e0\u4e1a\u52a1\u591a\u6d3b\u5143\u4fe1\u606f\uff0c\u5207\u91cf\u51c6\u786e\u7387\u548c\u5bb9\u707e\u6548\u679c\u5dee\u3002<\/p>\n\n\n\n

              \u6211\u4eec\u4e4b\u524d\u7684\u591a\u6d3b\u5207\u91cf\u7ecf\u5e38\u662f\u8fd9\u4e48\u4e00\u4e2a\u573a\u666f\uff1a\u4e1a\u52a1A\u6545\u969c\u4e86\uff0c\u8981\u5207\u91cf\u5230\u591a\u6d3b\u673a\u623f\u3002SRE\u8ddf\u7814\u53d1\u6c9f\u901a\u540e\u786e\u8ba4\u8981\u5207\u57df\u540dA+URL A\uff0c\u544a\u77e5CDN\u8fd0\u7ef4\u3002CDN\u8fd0\u7ef4\u5207\u91cf\u540e\u7814\u53d1\u53d1\u73b0\u8fd8\u6709\u4e2aURL\u6ca1\u5207\uff0c\u518d\u91cd\u590d\u4e00\u904d\u4e0a\u9762\u7684\u6d41\u7a0b\uff0c\u6240\u4ee5\u5bfc\u81f4\u6548\u7387\u6781\u4f4e\uff0c\u5bb9\u707e\u6548\u679c\u4e5f\u5f88\u5dee\u3002 <\/p>\n\n\n\n

              \u6240\u4ee5\u6211\u4eec\u591a\u6d3b\u5efa\u8bbe\u7684\u4e3b\u8981\u65b9\u5411\uff1a<\/p>\n\n\n\n

              \u591a\u6d3b\u57fa\u67b6\u80fd\u529b\u5efa\u8bbe<\/p>\n\n\n\n

              \u4f18\u5316\u591a\u6d3b\u57fa\u7840\u7ec4\u4ef6\u7684\u652f\u6301\u80fd\u529b\uff0c\u5982\u6570\u636e\u5c42\u540c\u6b65\u7ec4\u4ef6\u4f18\u5316\u3001\u63a5\u5165\u5c42\u652f\u6301\u57fa\u4e8e\u7528\u6237\u5206\u7247\uff0c\u8ba9\u4e1a\u52a1\u7684\u591a\u6d3b\u63a5\u5165\u6210\u672c\u66f4\u4f4e\u3002<\/p>\n\n\n\n

              \u91cd\u65b0\u68b3\u7406\u5404\u673a\u623f\u5728\u591a\u6d3b\u67b6\u6784\u4e0b\u7684\u5b9a\u4f4d\uff0c\u68b3\u7406Czone\u3001Gzone\u3001Rzone\u4e1a\u52a1\u57df\u3002<\/p>\n\n\n\n

              \u63a8\u52a8\u4e0d\u652f\u6301\u591a\u6d3b\u7684\u6838\u5fc3\u4e1a\u52a1\u548c\u5df2\u5b9e\u73b0\u591a\u6d3b\u4f46\u67b6\u6784\u4e0d\u89c4\u8303\u7684\u4e1a\u52a1\u6539\u9020\u4f18\u5316\u3002<\/p>\n\n\n\n

              \u591a\u6d3b\u7ba1\u63a7\u80fd\u529b\u63d0\u5347<\/p>\n\n\n\n

              \u7edf\u4e00\u7ba1\u63a7\u6240\u6709\u591a\u6d3b\u4e1a\u52a1\u7684\u5143\u4fe1\u606f\u3001\u8def\u7531\u89c4\u5219\uff0c\u8054\u52a8\u5176\u4ed6\u5e73\u53f0\uff0c\u6210\u4e3a\u591a\u6d3b\u7684\u5143\u6570\u636e\u4e2d\u5fc3\u3002<\/p>\n\n\n\n

              \u652f\u6301\u591a\u6d3b\u63a5\u5165\u5c42\u89c4\u5219\u7f16\u6392\u3001\u6570\u636e\u5c42\u7f16\u6392\u3001\u9884\u6848\u7f16\u6392\u3001\u6d41\u91cf\u7f16\u6392\u7b49\uff0c\u63a5\u5165\u6d41\u7a0b\u5b9e\u73b0\u81ea\u52a8\u5316\u548c\u53ef\u89c6\u5316\u3002<\/p>\n\n\n\n

              \u62bd\u8c61\u591a\u6d3b\u5207\u91cf\u80fd\u529b\uff0c\u5bf9\u63a5CDN\u3001\u5b58\u50a8\u7b49\u7ec4\u4ef6\uff0c\u5b9e\u73b0\u4e00\u952e\u5168\u94fe\u8def\u5207\u91cf\uff0c\u63d0\u5347\u6548\u7387\u548c\u51c6\u786e\u7387\u3002<\/p>\n\n\n\n

              \u652f\u6301\u591a\u6d3b\u5207\u91cf\u65f6\u7684\u524d\u7f6e\u80fd\u529b\u9884\u68c0\uff0c\u5207\u91cf\u4e2d\u98ce\u9669\u5de1\u68c0\u548c\u6838\u5fc3\u6307\u6807\u7684\u53ef\u89c2\u6d4b\u3002<\/p>\n\n\n\n

               2. SLB\u6cbb\u7406<\/p>\n\n\n\n

              \u67b6\u6784\u6cbb\u7406<\/p>\n\n\n\n

              \u6545\u969c\u524d\u4e00\u4e2a\u673a\u623f\u5185\u4e00\u5957SLB\u7edf\u4e00\u5bf9\u5916\u63d0\u4f9b\u4ee3\u7406\u670d\u52a1\uff0c\u5bfc\u81f4\u6545\u969c\u57df\u65e0\u6cd5\u9694\u79bb\u3002\u540e\u7eedSLB\u9700\u6309\u4e1a\u52a1\u90e8\u95e8\u62c6\u5206\u96c6\u7fa4\uff0c\u6838\u5fc3\u4e1a\u52a1\u90e8\u95e8\u72ec\u7acbSLB\u96c6\u7fa4\u548c\u516c\u7f51IP\u3002<\/p>\n\n\n\n

              \u8ddfCDN\u56e2\u961f\u3001\u56db\u5c42LB&\u7f51\u7edc\u56e2\u961f\u4e00\u8d77\u8ba8\u8bba\u786e\u5b9aSLB\u96c6\u7fa4\u548c\u516c\u7f51IP\u9694\u79bb\u7684\u7ba1\u7406\u65b9\u6848\u3002<\/p>\n\n\n\n

              \u660e\u786eSLB\u80fd\u529b\u8fb9\u754c\uff0c\u975eSLB\u5fc5\u5907\u80fd\u529b\uff0c\u7edf\u4e00\u4e0b\u6c89\u5230API Gateway\uff0cSLB\u7ec4\u4ef6\u548c\u5e73\u53f0\u5747\u4e0d\u518d\u652f\u6301\uff0c\u5982\u52a8\u6001\u6743\u91cd\u7684\u7070\u5ea6\u80fd\u529b\u3002<\/p>\n\n\n\n

              \u8fd0\u7ef4\u80fd\u529b<\/p>\n\n\n\n

              SLB\u7ba1\u7406\u5e73\u53f0\u5b9e\u73b0Lua\u4ee3\u7801\u7248\u672c\u5316\u7ba1\u7406\uff0c\u5e73\u53f0\u652f\u6301\u7248\u672c\u5347\u7ea7\u548c\u5feb\u901f\u56de\u6eda\u3002<\/p>\n\n\n\n

              SLB\u8282\u70b9\u7684\u73af\u5883\u548c\u914d\u7f6e\u521d\u59cb\u5316\u6258\u7ba1\u5230\u5e73\u53f0\uff0c\u8054\u52a8\u56db\u5c42LB\u7684API\uff0c\u5728SLB\u5e73\u53f0\u4e0a\u5b9e\u73b0\u56db\u5c42LB\u7533\u8bf7\u3001\u516c\u7f51IP\u7533\u8bf7\u3001\u8282\u70b9\u4e0a\u7ebf\u7b49\u64cd\u4f5c\uff0c\u505a\u5230\u5168\u6d41\u7a0b\u521d\u59cb\u53165\u5206\u949f\u4ee5\u5185\u3002<\/p>\n\n\n\n

              SLB\u4f5c\u4e3a\u6838\u5fc3\u670d\u52a1\u4e2d\u7684\u6838\u5fc3\uff0c\u5728\u76ee\u524d\u6ca1\u6709\u5f39\u6027\u6269\u5bb9\u7684\u80fd\u529b\u4e0b\uff0c30%\u7684\u4f7f\u7528\u7387\u8f83\u9ad8\uff0c\u9700\u8981\u6269\u5bb9\u628aCPU\u964d\u4f4e\u523015%\u5de6\u53f3\u3002<\/p>\n\n\n\n

              \u4f18\u5316CDN\u56de\u6e90\u8d85\u65f6\u65f6\u95f4\uff0c\u964d\u4f4eSLB\u5728\u6781\u7aef\u6545\u969c\u573a\u666f\u4e0b\u8fde\u63a5\u6570\u3002\u540c\u65f6\u5bf9\u8fde\u63a5\u6570\u505a\u6781\u9650\u6027\u80fd\u538b\u6d4b\u3002<\/p>\n\n\n\n

              \u81ea\u7814\u80fd\u529b<\/p>\n\n\n\n

              \u8fd0\u7ef4\u56e2\u961f\u505a\u9879\u76ee\u6709\u4e2a\u5f0a\u7aef\uff0c\u5f00\u53d1\u5b8c\u6210\u81ea\u6d4b\u6ca1\u95ee\u9898\u540e\u5c31\u5f00\u59cb\u7070\u5ea6\u4e0a\u7ebf\uff0c\u6ca1\u6709\u4e13\u4e1a\u7684\u6d4b\u8bd5\u56e2\u961f\u4ecb\u5165\u3002\u6b64\u7ec4\u4ef6\u592a\u8fc7\u6838\u5fc3\uff0c\u9700\u8981\u5f15\u5165\u57fa\u7840\u7ec4\u4ef6\u6d4b\u8bd5\u56e2\u961f\uff0c\u5bf9SLB\u8f93\u5165\u53c2\u6570\u505a\u5b8c\u6574\u7684\u5f02\u5e38\u6d4b\u8bd5\u3002<\/p>\n\n\n\n

              \u8ddf\u793e\u533a\u4e00\u8d77\uff0cReview\u4f7f\u7528\u5230\u7684OpenResty\u6838\u5fc3\u5f00\u6e90\u5e93\u6e90\u4ee3\u7801\uff0c\u6d88\u9664\u5176\u4ed6\u98ce\u9669\u3002\u57fa\u4e8eLua\u5df2\u6709\u7279\u6027\u548c\u7f3a\u9677\uff0c\u63d0\u5347\u6211\u4eecLua\u4ee3\u7801\u7684\u9c81\u68d2\u6027\uff0c\u6bd4\u5982\u53d8\u91cf\u7c7b\u578b\u5224\u65ad\u3001\u5f3a\u5236\u8f6c\u6362\u7b49\u3002<\/p>\n\n\n\n

              \u62db\u4e13\u4e1a\u505aLB\u7684\u4eba\u3002\u6211\u4eec\u9009\u62e9\u57fa\u4e8eLua\u5f00\u53d1\u662f\u56e0\u4e3aLua\u7b80\u5355\u6613\u4e0a\u624b\uff0c\u793e\u533a\u6709\u7c7b\u4f3c\u6210\u529f\u6848\u4f8b\u3002\u56e2\u961f\u5e76\u6ca1\u6709\u8d44\u6df1\u505aNginx\u7ec4\u4ef6\u5f00\u53d1\u7684\u540c\u5b66\uff0c\u4e5f\u6ca1\u6709\u505aC\/C++\u5f00\u53d1\u7684\u540c\u5b66\u3002<\/p>\n\n\n\n

              1. \u6545\u969c\u6f14\u7ec3<\/li><\/ol>\n\n\n\n

                \u672c\u6b21\u4e8b\u6545\u4e2d\uff0c\u4e1a\u52a1\u591a\u6d3b\u6d41\u91cf\u8c03\u5ea6\u3001\u65b0\u5efa\u6e90\u7ad9\u901f\u5ea6\u3001CDN\u5207\u91cf\u901f\u5ea6&\u56de\u6e90\u8d85\u65f6\u673a\u5236\u5747\u4e0d\u7b26\u5408\u9884\u671f\u3002\u6240\u4ee5\u540e\u7eed\u8981\u63a2\u7d22\u673a\u623f\u7ea7\u522b\u7684\u6545\u969c\u6f14\u7ec3\u65b9\u6848\uff1a<\/p>\n\n\n\n

                \u6a21\u62dfCDN\u56de\u6e90\u5355\u673a\u623f\u6545\u969c\uff0c\u8ddf\u4e1a\u52a1\u7814\u53d1\u548c\u6d4b\u8bd5\u4e00\u8d77\uff0c\u901a\u8fc7\u53cc\u7aef\u4e0a\u7684\u4e1a\u52a1\u771f\u5b9e\u8868\u73b0\u6765\u9a8c\u6536\u591a\u6d3b\u4e1a\u52a1\u7684\u5bb9\u707e\u6548\u679c\uff0c\u63d0\u524d\u4f18\u5316\u4e1a\u52a1\u591a\u6d3b\u4e0d\u7b26\u5408\u9884\u671f\u7684\u9690\u60a3\u3002<\/p>\n\n\n\n

                \u7070\u5ea6\u7279\u5b9a\u7528\u6237\u6d41\u91cf\u5230\u6f14\u7ec3\u7684CDN\u8282\u70b9\uff0c\u5728CDN\u8282\u70b9\u6a21\u62df\u6e90\u7ad9\u6545\u969c\uff0c\u89c2\u5bdfCDN\u548c\u6e90\u7ad9\u7684\u5bb9\u707e\u6548\u679c\u3002<\/p>\n\n\n\n

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                 4. \u5e94\u6025\u54cd\u5e94<\/p>\n\n\n\n

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                <\/p>\n","protected":false},"excerpt":{"rendered":"

                \u81f3\u6697\u65f6\u523b 2021\u5e747\u670813\u65e522:52\uff0cSRE\u6536\u5230\u5927\u91cf\u670d\u52a1\u548c\u57df\u540d\u7684\u63a5\u5165\u5c42\u4e0d\u53ef\u7528\u62a5\u8b66\uff0c\u5ba2\u670d\u4fa7\u5f00\u59cb\u6536\u5230… \u7ee7\u7eed\u9605\u8bfb \u7ecf\u9a8c\u6559\u8bad – 2021.07.13 B\u7ad9\u5b95\u673a\u4e8b\u6545\uff0c\u6211\u4eec\u662f\u8fd9\u6837\u5d29\u7684<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[5,6],"views":1059,"_links":{"self":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/231"}],"collection":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/comments?post=231"}],"version-history":[{"count":2,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/231\/revisions"}],"predecessor-version":[{"id":237,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/231\/revisions\/237"}],"wp:attachment":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/media?parent=231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/categories?post=231"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/tags?post=231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}