\u5728\u9762\u5411\u9ad8\u5e76\u53d1\u8bf7\u6c42\u7684\u4e92\u8054\u7f51\u4e1a\u52a1\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e3b\u673a\u3001\u5408\u7406\u7684\u67b6\u6784\u4e0e\u7cbe\u786e\u7684\u8d1f\u8f7d\u6d4b\u8bd5\u7b56\u7565\uff0c\u662f\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u4e0e\u53ef\u6269\u5c55\u6027\u7684\u5173\u952e\u3002\u672c\u6587\u4ee5\u9999\u6e2fVPS\u4e3a\u573a\u666f\uff0c\u7ed3\u5408\u5b9e\u6218\u65b9\u6cd5\u8bba\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u8fdb\u884c\u8d1f\u8f7d\u6d4b\u8bd5\u6a21\u62df\u3001\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u5e76\u9010\u6b65\u4f18\u5316\u3002\u6587\u4e2d\u4ea6\u7a7f\u63d2\u5bf9\u6bd4\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\u5728\u5ef6\u8fdf\u3001\u7f51\u7edc\u4e0e\u5408\u89c4\u6027\u65b9\u9762\u7684\u5dee\u5f02\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u505a\u51fa\u66f4\u5408\u9002\u7684\u9009\u8d2d\u4e0e\u8c03\u4f18\u51b3\u7b56\u3002<\/p>\n
\u9999\u6e2fVPS\u901a\u5e38\u5177\u6709\u4f4e\u5ef6\u8fdf\u3001\u56fd\u9645\u51fa\u53e3\u5e26\u5bbd\u4f18\u52bf\u548c\u76f8\u5bf9\u5b8c\u5584\u7684\u7f51\u7edc\u4e2d\u8f6c<\/strong>\uff0c\u975e\u5e38\u9002\u5408\u9762\u5411\u4e9a\u6d32\u53ca\u56fd\u9645\u7528\u6237\u7684\u4e1a\u52a1\u3002\u76f8\u6bd4\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u5728\u5230\u4e2d\u56fd\u5927\u9646\u7684\u94fe\u8def\u4e0a\u901a\u5e38\u62e5\u6709\u66f4\u77ed\u7684\u7f51\u7edc\u8df3\u6570\u4e0e\u66f4\u4f4e\u7684\u6296\u52a8\uff1b\u800c\u7f8e\u56fdVPS\u5219\u5728\u5317\u7f8e\u7528\u6237\u4e0e\u6210\u672c\u4e0a\u6709\u4f18\u52bf\u3002\u5b9e\u9645\u9009\u578b\u5e94\u6839\u636e\u76ee\u6807\u7528\u6237\u5730\u57df\u3001\u5408\u89c4\u8981\u6c42\u4e0e\u9884\u7b97\u6765\u5e73\u8861\u3002<\/p>\n \u8d1f\u8f7d\u6d4b\u8bd5\u7684\u76ee\u6807\u662f\u6a21\u62df\u771f\u5b9e\u8bf7\u6c42\u8d1f\u8f7d\uff0c\u6d4b\u91cf\u7cfb\u7edf\u541e\u5410\u91cf\u3001\u5ef6\u8fdf\u548c\u9519\u8bef\u7387\uff0c\u5e76\u5728\u4e0d\u540c\u538b\u529b\u70b9\u5b9a\u4f4d\u74f6\u9888\u3002\u5e38\u7528\u5de5\u5177\u5305\u62ec\uff1a<\/p>\n \u793a\u4f8b\u547d\u4ee4\uff08wrk\uff09\uff1a<\/p>\n \u5176\u4e2d -t \u6307\u7ebf\u7a0b\u6570\uff0c-c \u6307\u5e76\u53d1\u8fde\u63a5\u6570\uff0c-d \u6307\u6301\u7eed\u65f6\u95f4\u3002\u6ce8\u610f\u538b\u6d4b\u5ba2\u6237\u7aef\uff08\u5982\u672c\u5730\u673a\u6216\u53e6\u4e00\u53f0VPS\uff09\u4e5f\u9700\u8db3\u591f\u5f3a\u5927\uff0c\u5426\u5219\u6d4b\u8bd5\u6570\u636e\u65e0\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n \u74f6\u9888\u8868\u73b0\uff1a\u541e\u5410\u91cf\u8fbe\u5230\u5e26\u5bbd\u4e0a\u9650\u3001\u4e22\u5305\u7387\u4e0a\u5347\u6216\u5ef6\u8fdf\u6fc0\u589e\u3002\u6392\u67e5\u65b9\u6cd5\uff1a<\/p>\n \u74f6\u9888\u8868\u73b0\uff1a\u51fa\u73b0 \u201ctoo many open files\u201d \u9519\u8bef\u6216\u8fde\u63a5\u5931\u8d25\u3002\u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n \u74f6\u9888\u8868\u73b0\uff1aCPU \u4f7f\u7528\u7387\u4e0d\u9ad8\u4f46 iowait \u5f88\u9ad8\uff0c\u6216\u5927\u91cf\u4e0a\u4e0b\u6587\u5207\u6362\u3002\u5de5\u5177\uff1aiostat\u3001vmstat\u3001pidstat\u3002\u4f18\u5316\u7b56\u7565\uff1a<\/p>\n \u5e38\u89c1\u95ee\u9898\u5305\u62ec\uff1a\u7ebf\u7a0b\/\u8fdb\u7a0b\u6a21\u578b\u4e0d\u5f53\u3001\u6162\u67e5\u8be2\u6216\u9501\u7ade\u4e89\u3001GC \u6682\u505c\u7b49\u3002\u6392\u67e5\u6b65\u9aa4\uff1a<\/p>\n \u6570\u636e\u5e93\u5f80\u5f80\u662f\u9ad8\u5e76\u53d1\u4e0b\u7684\u74f6\u9888\u3002\u5e38\u89c1\u4f18\u5316\u624b\u6bb5\uff1a<\/p>\n \u4e0b\u9762\u7ed9\u51fa\u4e00\u5957\u5b9e\u6218\u6d41\u7a0b\uff0c\u4fbf\u4e8e\u5728\u9999\u6e2fVPS\u6216\u5176\u4ed6\u670d\u52a1\u5668\u4e0a\u590d\u73b0\u3002<\/p>\n \u5728\u9009\u8d2d\u65f6\u9700\u8981\u5173\u6ce8\u7684\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a\u5e26\u5bbd\u5e26\u5bbd\u8d39\u7528\u3001\u5ef6\u8fdf\uff08RTT\uff09\u3001\u7f51\u7edc\u7a33\u5b9a\u6027\u3001IOPS\u3001CPU \u7c7b\u578b\uff08\u7269\u7406\u6838\u6216\u8d85\u7ebf\u7a0b\uff09\u3001\u53ef\u7528\u7684\u5185\u5b58\u3001\u5feb\u7167\u4e0e\u5907\u4efd\u7b56\u7565\u3001SLA \u4e0e DDoS \u4fdd\u62a4\u3002<\/p>\n \u4ee5\u4e0a\u65b9\u6cd5\u5728\u9999\u6e2fVPS\u4e0a\u5747\u53ef\u5b9e\u73b0\uff1a\u901a\u8fc7\u9009\u62e9\u9002\u5408\u7684\u5b9e\u4f8b\u89c4\u683c\u3001\u5408\u7406\u7684\u5185\u6838\u4e0e\u5e94\u7528\u914d\u7f6e\uff0c\u53ef\u4ee5\u5728\u6709\u9650\u6210\u672c\u5185\u663e\u8457\u63d0\u9ad8\u5e76\u53d1\u627f\u8f7d\u80fd\u529b\u3002\u76f8\u8f83\u4e8e\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u9999\u6e2fVPS \u5728\u901a\u5f80\u4e2d\u56fd\u5927\u9646\u7684\u8868\u73b0\u548c\u56fd\u9645\u4e2d\u8f6c\u6548\u7387\u4e0a\u901a\u5e38\u66f4\u4f18\uff1b\u800c\u7f8e\u56fdVPS \u5728\u9762\u5411\u5317\u7f8e\u7528\u6237\u65f6\u7684\u6210\u672c\u6548\u76ca\u4e0e\u53ef\u8fbe\u6027\u5219\u6709\u4f18\u52bf\u3002<\/p>\n \u5728\u9ad8\u5e76\u53d1\u4e1a\u52a1\u573a\u666f\u4e0b\uff0c\u8d1f\u8f7d\u6d4b\u8bd5\u4e0d\u4ec5\u662f\u538b\u6d4b\u541e\u5410\u91cf\u7684\u8fc7\u7a0b\uff0c\u66f4\u662f\u5bfb\u627e\u7cfb\u7edf\u74f6\u9888\u5e76\u9a8c\u8bc1\u4f18\u5316\u6548\u679c\u7684\u95ed\u73af\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528 wrk\u3001JMeter \u7b49\u538b\u6d4b\u5de5\u5177\u3001\u914d\u5408\u5185\u6838\u7ea7\u522b\u4e0e\u5e94\u7528\u5c42\u7ea7\u7684\u8c03\u4f18\uff08\u5982 TCP \u53c2\u6570\u3001ulimit\u3001\u7f13\u5b58\u7b56\u7565\u3001\u6570\u636e\u5e93\u4f18\u5316\uff09\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u9999\u6e2fVPS \u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002\u9009\u578b\u4e0a\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u9002\u5408\u4e9a\u592a\u4e0e\u4e2d\u56fd\u5927\u9646\u65b9\u5411\u7684\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u9700\u6c42\uff1b\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\u5219\u9002\u5408\u5317\u7f8e\u65b9\u5411\u6216\u5bf9\u6210\u672c\u654f\u611f\u7684\u573a\u666f\u3002<\/p>\n \u82e5\u60f3\u5728\u9999\u6e2f\u8282\u70b9\u4e0a\u5feb\u901f\u90e8\u7f72\u5e76\u8fdb\u884c\u5b9e\u6218\u538b\u6d4b\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u63d0\u4f9b\u7684\u9999\u6e2fVPS \u4ea7\u54c1\u4e0e\u89c4\u683c\uff0c\u6309\u9700\u9009\u914d CPU\u3001\u5185\u5b58\u4e0e\u5e26\u5bbd\uff0c\u7ed3\u5408\u672c\u6587\u7684\u8c03\u4f18\u6b65\u9aa4\u5f00\u5c55\u538b\u529b\u9a8c\u8bc1\u4e0e\u6027\u80fd\u4f18\u5316\u3002\u66f4\u591a\u8be6\u60c5\u8bf7\u8bbf\u95ee\uff1a\u9999\u6e2fVPS – Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u8981\u4fdd\u8bc1\u9762\u5411\u4e9a\u6d32\u4e0e\u56fd\u9645\u7528\u6237\u7684\u670d\u52a1\u7a33\u5b9a\uff0c\u638c\u63e1\u9999\u6e2fVPS\u9ad8\u5e76\u53d1\u7684\u67b6\u6784\u9009\u578b\u4e0e\u8d1f\u8f7d\u6d4b\u8bd5\u6280\u5de7\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u901a\u8fc7\u5b9e\u6218\u6848\u4f8b\u6559\u4f60\u5982\u4f55\u6a21\u62df\u538b\u529b\u3001\u5b9a\u4f4d\u74f6\u9888\u5e76\u9010\u6b65\u4f18\u5316\uff0c\u8ba9\u670d\u52a1\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u4e5f\u80fd\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[1923,747,1924,456,1797,107,1355,1922],"class_list":["post-209052","post","type-post","status-publish","format-standard","hentry","category-4927","tag-1923","tag-747","tag-1924","tag-456","tag-1797","tag-vps","tag--vs-vps","tag-1922"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209052"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209052\/revisions"}],"predecessor-version":[{"id":209053,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209052\/revisions\/209053"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u8d1f\u8f7d\u6d4b\u8bd5\u539f\u7406\u4e0e\u5e38\u7528\u5de5\u5177<\/h2>\n
\n
wrk -t12 -c1000 -d60s http:\/\/your-server.hk\/<\/code><\/p>\n\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u6027\u80fd\u74f6\u9888\u4e0e\u6392\u67e5\u6b65\u9aa4<\/h2>\n
1. \u7f51\u7edc\u5e26\u5bbd\u4e0e\u5e76\u53d1\u8fde\u63a5\u9650\u5236<\/h3>\n
\n
net.core.somaxconn = 65535
\nnet.ipv4.tcp_max_syn_backlog = 40960
\nnet.ipv4.tcp_tw_reuse = 1
\nnet.core.netdev_max_backlog = 65535<\/code><\/p>\n2. \u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0e\u8fdb\u7a0b\u53e5\u67c4<\/h3>\n
\n
ulimit -n 200000<\/code><\/li>\n soft nofile 200000<\/code> \u548c <\/em> hard nofile 200000<\/code><\/li>\n<\/ul>\n3. \u5185\u6838\u8c03\u5ea6\u4e0e IO \u7b49\u5f85<\/h3>\n
\n
4. \u5e94\u7528\u5c42\u74f6\u9888\uff08Web\u670d\u52a1\u5668\u3001\u5e94\u7528\u6846\u67b6\uff09<\/h3>\n
\n
5. \u6570\u636e\u5e93\u4e0e\u7f13\u5b58\u4f18\u5316<\/h3>\n
\n
\u5b9e\u6218\uff1a\u4e00\u6b65\u6b65\u6784\u5efa\u9ad8\u5e76\u53d1\u53ef\u6d4b\u73af\u5883<\/h2>\n
\n
\u9999\u6e2fVPS \u4e0e \u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae<\/h2>\n
\n
\u793a\u4f8b\u8c03\u4f18\u6e05\u5355\uff08\u4f18\u5148\u7ea7\uff09<\/h2>\n
\n
\u603b\u7ed3<\/h2>\n