\u7db2\u8def\u8a3a\u65b7\u5de5\u5177\u5305<\/strong><\/h2>\n

\u7db2\u8def\u6548\u80fd\u5206\u6790\u9700\u8981\u4f7f\u7528\u5c08\u696d\u5de5\u5177\u548c\u65b9\u6cd5\u9032\u884c\u8907\u96dc\u7684\u8655\u7406\uff1a<\/p>\n

\n
• \u5ef6\u9072\u6e2c\u8a66\uff1a\n
  \n
  • MTR\uff08My TraceRoute\uff09\u9010\u8df3\u5ef6\u9072\u5206\u6790<\/li>\n
  • \u4f7f\u7528\u81ea\u8a02\u8cc7\u6599\u5305\u5927\u5c0f\u7684ICMP\u56de\u986f\u8acb\u6c42<\/li>\n
  • TCP\u63e1\u624b\u6642\u9593\u6e2c\u91cf<\/li>\n<\/ul>\n<\/li>\n
  • \u983b\u5bec\u76e3\u63a7\uff1a\n
    \n
    • \u4f7f\u7528iperf3\u9032\u884c\u50b3\u8f38\u91cf\u6e2c\u8a66<\/li>\n
    • \u7db2\u8def\u4ecb\u9762\u98fd\u548c\u5ea6\u6aa2\u67e5<\/li>\n
    • QoS\u914d\u7f6e\u9a57\u8b49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      \u9032\u968e\u8a3a\u65b7\u547d\u4ee4<\/strong><\/h2>\n

      \u4ee5\u4e0b\u662f\u91cd\u8981\u8a3a\u65b7\u547d\u4ee4\u7684\u6280\u8853\u7d30\u7bc0\uff1a<\/p>\n

      \r\n # \u7db2\u8def\u5ef6\u9072\u6aa2\u67e5\r\n mtr -n -r target_host -c 100\r\n # TCP\u9023\u7dda\u5206\u6790\r\n netstat -nat | grep ESTABLISHED\r\n # DNS\u89e3\u6790\u6642\u9593\r\n dig +trace example.com\r\n # HTTP\u56de\u61c9\u6642\u9593\r\n curl -w \"%{time_total}\\n\" -o \/dev\/null -s http:\/\/example.com\r\n <\/code><\/pre>\n
      \u6548\u80fd\u6307\u6a19\u57fa\u6e96<\/strong><\/h2>\n
      \u5efa\u7acb\u4ee5\u4e0b\u95dc\u9375\u6548\u80fd\u6307\u6a19\uff08KPI\uff09\u4ee5\u9032\u884c\u6e96\u78ba\u8a3a\u65b7\uff1a<\/p>\n
      \n
      \u9996\u4f4d\u5143\u7d44\u6642\u9593\uff08TTFB\uff09\uff1a< 200\u6beb\u79d2<\/li>\n
      DNS\u89e3\u6790\uff1a< 50\u6beb\u79d2<\/li>\n
      \u4f3a\u670d\u5668\u8655\u7406\u6642\u9593\uff1a< 300\u6beb\u79d2<\/li>\n
      \u7db2\u8def\u5f80\u8fd4\u6642\u9593\uff1a< 100\u6beb\u79d2<\/li>\n
      \u9801\u9762\u8f09\u5165\u6642\u9593\uff1a< 3\u79d2<\/li>\n<\/ul>\n
      \u57fa\u790e\u8a2d\u65bd\u89e3\u6c7a\u65b9\u6848<\/strong><\/h2>\n
      \u6839\u64da\u8a3a\u65b7\u7d50\u679c\uff0c\u5be6\u65bd\u9019\u4e9b\u6709\u91dd\u5c0d\u6027\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
      \n
      \u4f3a\u670d\u5668\u914d\u7f6e\u512a\u5316\uff1a\n
      \n
      \u5be6\u65bd\u6838\u5fc3\u53c3\u6578\u8abf\u512a<\/li>\n
      \u512a\u5316TCP\/IP\u5354\u5b9a\u5806\u758a\u8a2d\u5b9a<\/li>\n
      \u914d\u7f6e\u9069\u7576\u7684CPU\u6392\u7a0b\u5668\u8a2d\u5b9a<\/li>\n
      \u8abf\u6574\u8a18\u61b6\u9ad4\u5206\u914d\u9650\u5236<\/li>\n<\/ul>\n<\/li>\n
      \u7db2\u8def\u589e\u5f37\uff1a\n
      \n
      \u90e8\u7f72\u591aCDN\u67b6\u69cb<\/li>\n
      \u5be6\u65bdBGP\u4efb\u64ad\u8def\u7531<\/li>\n
      \u555f\u7528TCP BBR\u64c1\u585e\u63a7\u5236<\/li>\n
      \u512a\u5316SSL\/TLS\u5de5\u4f5c\u968e\u6bb5\u8655\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u512a\u52e2<\/strong><\/h2>\n
      \u9999\u6e2f\u57fa\u790e\u8a2d\u65bd\u7684\u6280\u8853\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n
      \n
      \u7db2\u8def\u67b6\u69cb\uff1a\n
      \n
      \u8207\u4e3b\u8981\u4e9e\u6d32ISP\u76f4\u63a5\u5c0d\u7b49\u4e92\u9023<\/li>\n
      \u5230\u4e2d\u570b\u5927\u9678\u5e73\u5747\u5ef6\u9072\uff1a20-40\u6beb\u79d2<\/li>\n
      \u591a\u689d\u6d77\u5e95\u5149\u7e9c\u9023\u63a5<\/li>\n
      \u4e00\u7d1a\u71df\u904b\u5546\u4e2d\u7acb\u8a2d\u65bd<\/li>\n<\/ul>\n<\/li>\n
      \u57fa\u790e\u8a2d\u65bd\u898f\u683c\uff1a\n
      \n
      N+1\u96fb\u529b\u5197\u9918<\/li>\n
      \u591a\u7dda\u8def\u7db2\u8def\u62d3\u64b2<\/li>\n
      DDoS\u7de9\u89e3\u80fd\u529b\uff1a\u9ad8\u90542Tbps<\/li>\n
      99.999%\u904b\u884c\u6642\u9593SLA\u4fdd\u8b49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u9810\u9632\u6027\u76e3\u63a7\u8a2d\u7f6e<\/strong><\/h2>\n
      \u5be6\u65bd\u4ee5\u4e0b\u76e3\u63a7\u5354\u5b9a\u4ee5\u9632\u6b62\u6548\u80fd\u4e0b\u964d\uff1a<\/p>\n
      \n
      \u4f3a\u670d\u5668\u76e3\u63a7\uff1a\n
      \r\n # \u914d\u7f6ePrometheus\u76e3\u63a7\r\n prometheus_config:\r\n scrape_interval: 15s\r\n evaluation_interval: 15s\r\n alerting_rules:\r\n - alert: HighCPUUsage\r\n expr: cpu_usage_idle < 20\r\n for: 5m\r\n <\/code><\/pre>\n<\/li>\n
      \u7db2\u8def\u76e3\u63a7\uff1a\n
      \r\n # \u8a2d\u7f6eSmokeping\u914d\u7f6e\r\n *** Targets ***\r\n probe = FPing\r\n + InternetConnectivity\r\n menu = Internet Connectivity\r\n title = Internet Connectivity\r\n host = 8.8.8.8 1.1.1.1\r\n <\/code><\/pre>\n<\/li>\n<\/ul>\n
      \u6548\u80fd\u512a\u5316\u6e05\u55ae<\/strong><\/h2>\n
      \n
      \u6bcf\u65e5\u4efb\u52d9\uff1a\n
      \n
      \u76e3\u63a7\u932f\u8aa4\u65e5\u8a8c\u7570\u5e38<\/li>\n
      \u6aa2\u67e5\u8cc7\u6e90\u4f7f\u7528\u8da8\u52e2<\/li>\n
      \u9a57\u8b49\u5099\u4efd\u7cfb\u7d71\u72c0\u614b<\/li>\n
      \u5be9\u67e5\u5b89\u5168\u8b66\u5831<\/li>\n<\/ul>\n<\/li>\n
      \u6bcf\u9031\u4efb\u52d9\uff1a\n
      \n
      \u5206\u6790\u6548\u80fd\u6307\u6a19<\/li>\n
      \u66f4\u65b0\u76e3\u63a7\u95be\u503c<\/li>\n
      \u512a\u5316\u8cc7\u6599\u5eab\u67e5\u8a62<\/li>\n
      \u5be9\u67e5\u7db2\u8def\u8def\u7531\u8868<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u7d50\u8ad6<\/strong><\/h2>\n
      \u6709\u6548\u7684\u7db2\u7ad9\u5ef6\u9072\u8a3a\u65b7\u9700\u8981\u7cfb\u7d71\u5730\u7d50\u5408\u4f3a\u670d\u5668\u914d\u7f6e\u5206\u6790\u548c\u7db2\u8def\u6545\u969c\u6392\u9664\u3002\u900f\u904e\u5be6\u65bd\u4e0a\u8ff0\u8a3a\u65b7\u65b9\u6cd5\u548c\u76e3\u63a7\u5de5\u5177\uff0c\u6280\u8853\u5c08\u696d\u4eba\u54e1\u53ef\u4ee5\u5feb\u901f\u8b58\u5225\u548c\u89e3\u6c7a\u6548\u80fd\u74f6\u9838\u3002\u8acb\u8a18\u4f4f\uff0c\u5b9a\u671f\u6548\u80fd\u512a\u5316\u548c\u4e3b\u52d5\u76e3\u63a7\u662f\u7dad\u6301\u6700\u4f73\u7db2\u7ad9\u6548\u80fd\u7684\u95dc\u9375\u3002<\/p>\n
      \u5c0d\u65bc\u95dc\u9375\u696d\u52d9\u61c9\u7528\uff0c\u8003\u616e\u5229\u7528\u9999\u6e2f\u7684\u6230\u7565\u4f4d\u7f6e\u548c\u5148\u9032\u7684\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u4f86\u78ba\u4fdd\u6301\u7e8c\u7684\u6548\u80fd\u548c\u53ef\u9760\u6027\u3002\u7d50\u5408\u9069\u7576\u7684\u8a3a\u65b7\u6280\u8853\u548c\u5f37\u5927\u7684\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u7dad\u6301\u6700\u4f73\u7684\u7db2\u7ad9\u6548\u80fd\u548c\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u7576\u60a8\u7684\u7db2\u7ad9\u51fa\u73fe\u9593\u6b47\u6027\u5ef6\u9072\u6642\uff0c\u5c0d\u65bc\u7ba1\u7406\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u7684\u6280\u8853\u5c08\u696d\u4eba\u54e1\u4f86\u8aaa\uff0c\u8b58\u5225\u6839\u672c\u539f\u56e0\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u7db2\u7ad9\u5ef6\u8fdf\u8bca\u65ad\u9700\u8981 […]<\/p>\n
      Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":27518,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4815],"tags":[8955,8536,2203,1714,765],"class_list":["post-27523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-tc","tag-website-lag-diagnosis-tc","tag-network-troubleshooting-tc","tag-hosting-performance-tc","tag-performance-optimization-tc","tag-server-configuration-tc"],"acf":[],"yoast_head":"\n