{"id":30405,"date":"2026-02-26T15:26:02","date_gmt":"2026-02-26T07:26:02","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-locate-network-packet-loss-in-a-kubernetes-cluster\/"},"modified":"2026-02-26T15:38:44","modified_gmt":"2026-02-26T07:38:44","slug":"how-to-locate-network-packet-loss-in-a-kubernetes-cluster","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-locate-network-packet-loss-in-a-kubernetes-cluster\/","title":{"rendered":"\u5982\u4f55\u5b9a\u4f4d Kubernetes \u96c6\u7fa4\u4e2d\u7684\u7f51\u7edc\u4e22\u5305"},"content":{"rendered":"<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u54cd\u5e94\u7f13\u6162\u3001\u8fde\u63a5\u65ad\u5f00\u7b49\u5f02\u5e38\u8ff9\u8c61\uff0c\u5b9a\u4f4d <a href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/fix-kubernetes-services-timing-out-multiple-worker-nodes\/\" target=\"_blank\">Kubernetes\u96c6\u7fa4<\/a>\u4e2d\u7684<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/\" target=\"_blank\">\u7f51\u7edc\u4e22\u5305<\/a>\u95ee\u9898\u3002\u4e22\u5305\u4f1a\u5bfc\u81f4\u5e94\u7528\u884c\u4e3a\u5f02\u5e38\u751a\u81f3\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\uff0c\u7528\u6237\u53ef\u80fd\u53cd\u9988\u8bf7\u6c42\u8d85\u65f6\u3001\u670d\u52a1\u65e0\u6cd5\u8fde\u63a5\u7b49\u95ee\u9898\u3002\u5c3d\u65e9\u5b9a\u4f4d\u8fd9\u7c7b\u95ee\u9898\uff0c\u80fd\u4fdd\u969c\u5e94\u7528\u7a33\u5b9a\u8fd0\u884c\u3002\u6301\u7eed\u5173\u6ce8\u7f51\u7edc\u72b6\u6001\uff0c\u6309\u7167\u6392\u67e5\u6b65\u9aa4\u627e\u5230\u4e22\u5305\u4f4d\u7f6e\u3002<\/p>\n<h2>\u6392\u67e5 Kubernetes \u96c6\u7fa4\u4e2d\u7684\u7f51\u7edc\u4e22\u5305<\/h2>\n<h3>\u7f51\u7edc\u4e22\u5305\u7684\u8868\u73b0\u75c7\u72b6<\/h3>\n<p>\u7f51\u7edc\u4e22\u5305\u4f1a\u5bfc\u81f4\u5e94\u7528\u8fd0\u884c\u7f13\u6162\u6216\u76f4\u63a5\u5931\u6548\uff0c\u7528\u6237\u53ef\u80fd\u9047\u5230\u8fde\u63a5\u4e2d\u65ad\u3001\u8bf7\u6c42\u8d85\u65f6\u7b49\u60c5\u51b5\u3002\u90e8\u5206\u670d\u52a1\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\uff0c\u6570\u636e\u4f20\u8f93\u4e0d\u5b8c\u6574\uff0c\u65e5\u5fd7\u4e2d\u51fa\u73b0\u968f\u673a\u9519\u8bef\uff0c\u751a\u81f3\u90e8\u5206\u8bf7\u6c42\u65e0\u6cd5\u9001\u8fbe\u3002\u53d1\u73b0\u8fd9\u7c7b\u95ee\u9898\u540e\u9700\u53ca\u65f6\u5904\u7406\uff0c\u7f51\u7edc\u4e22\u5305\u4f1a\u63a9\u76d6\u771f\u5b9e\u6545\u969c\u6839\u6e90\uff0c\u589e\u52a0\u6392\u67e5\u96be\u5ea6\u3002<\/p>\n<h3>\u9700\u76d1\u63a7\u7684\u6838\u5fc3\u6307\u6807<\/h3>\n<p>\u5b9a\u4f4d\u96c6\u7fa4\u4e22\u5305\u9700\u5173\u6ce8\u591a\u9879\u6307\u6807\uff0c\u6301\u7eed\u76d1\u63a7\u8fd9\u4e9b\u6570\u636e\u80fd\u5728\u4e22\u5305\u5f71\u54cd\u5e94\u7528\u524d\u63d0\u524d\u53d1\u73b0\u95ee\u9898\u3002\u5efa\u8bae\u957f\u671f\u76d1\u63a7\u96c6\u7fa4\u6027\u80fd\uff0c\u5e76\u5c06\u4e22\u5305\u6570\u636e\u4e0e\u8d44\u6e90\u5360\u7528\u7b49\u6027\u80fd\u6307\u6807\u5bf9\u6bd4\uff0c\u5168\u9762\u638c\u63e1\u7f51\u7edc\u5065\u5eb7\u72b6\u6001\u3002<\/p>\n<ul>\n<li>\n<p>\u4e22\u5305\u7387<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u5ef6\u8fdf<\/p>\n<\/li>\n<li>\n<p>\u91cd\u4f20\u6b21\u6570<\/p>\n<\/li>\n<li>\n<p>\u4e22\u5305\u6570\u91cf<\/p>\n<\/li>\n<li>\n<p>\u7f51\u5361\u9519\u8bef\u7387<\/p>\n<\/li>\n<li>\n<p>CPU \u4f7f\u7528\u7387<\/p>\n<\/li>\n<li>\n<p>\u5185\u5b58\u4f7f\u7528\u7387<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u91cd\u7f6e\u6b21\u6570<\/p>\n<\/li>\n<li>\n<p>\u670d\u52a1\u54cd\u5e94\u65f6\u95f4<\/p>\n<\/li>\n<\/ul>\n<p>\u53ef\u901a\u8fc7\u76d1\u63a7\u5de5\u5177\u5b9e\u65f6\u67e5\u770b\u4e0a\u8ff0\u6307\u6807\uff0c\u4e0b\u8868\u5217\u51fa\u4e24\u6b3e\u53ef\u7528\u4e8e\u76d1\u63a7 Kubernetes \u96c6\u7fa4\u4e22\u5305\u7684\u5de5\u5177\uff1a<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5de5\u5177\u540d\u79f0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8bf4\u660e<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u94fe\u63a5<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>gala-gopher<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u652f\u6301\u81ea\u5b9a\u4e49\u914d\u7f6e\u7684\u7f51\u7edc\u4e22\u5305\u76d1\u63a7\u5de5\u5177<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>gala-gopher \u6587\u6863<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>perftest<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u652f\u6301\u5b9e\u65f6\u6027\u80fd\u76d1\u63a7\u7684\u6d4b\u8bd5\u5de5\u5177<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>perftest \u6587\u6863<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u5b9a\u4f4d\u7f51\u7edc\u4e22\u5305<\/h2>\n<p>\u53ef\u901a\u8fc7\u4e13\u4e1a\u8bca\u65ad\u5de5\u5177\u5b9a\u4f4d\u7f51\u7edc\u4e22\u5305\uff0c\u8fd9\u7c7b\u5de5\u5177\u80fd\u8ffd\u8e2a\u6570\u636e\u5305\u5728\u7f51\u7edc\u94fe\u8def\u4e2d\u7684\u4f20\u8f93\u8def\u5f84\uff0c\u7cbe\u51c6\u5b9a\u4f4d\u8fde\u63a5\u4e2d\u65ad\u7684\u8282\u70b9\u3002\u5e38\u7528\u5de5\u5177\u5305\u62ec traceroute\u3001MTR\u3001tcpdump\u3001KubeSkoop\u3001FlowCollector\uff0c\u4e0d\u540c\u5de5\u5177\u53ef\u63d0\u4f9b\u591a\u7ef4\u6570\u636e\uff0c\u5e2e\u52a9\u5b9a\u4f4d\u7f51\u7edc\u74f6\u9888\u3002<\/p>\n<h3>\u4f7f\u7528 Traceroute \u548c MTR<\/h3>\n<p>Traceroute \u53ef\u5c55\u793a\u4ece Pod \u5230\u76ee\u6807\u5730\u5740\u7684\u7f51\u7edc\u4f20\u8f93\u8def\u5f84\uff0c\u6e05\u6670\u5448\u73b0\u6bcf\u4e00\u8df3\u8282\u70b9\u7684\u4f20\u8f93\u8017\u65f6\u4e0e\u8282\u70b9\u6570\u91cf\uff0c\u901a\u8fc7\u6570\u636e\u80fd\u53d1\u73b0\u6570\u636e\u5305\u5ef6\u8fdf\u6216\u4e22\u5931\u7684\u8282\u70b9\uff0c\u5b9a\u4f4d\u7f51\u7edc\u62e5\u5835\u3001\u6d41\u91cf\u8fc7\u8f7d\u7b49\u95ee\u9898\u3002\u82e5\u67d0\u4e00\u8df3\u8282\u70b9\u5ef6\u8fdf\u663e\u8457\u5347\u9ad8\uff0c\u5373\u53ef\u9501\u5b9a\u6545\u969c\u6392\u67e5\u8303\u56f4\u3002<\/p>\n<p>MTR \u6574\u5408\u4e86 traceroute \u4e0e ping \u7684\u529f\u80fd\uff0c\u53ef\u6301\u7eed\u76d1\u63a7\u7f51\u7edc\u8def\u5f84\uff0c\u5b9e\u65f6\u5c55\u793a\u6bcf\u4e00\u8df3\u8282\u70b9\u7684\u4f20\u8f93\u6570\u636e\uff0c\u5e2e\u52a9\u5b9a\u4f4d\u7f51\u7edc\u74f6\u9888\u53ca\u4e22\u5305\u5e38\u89c1\u8bf1\u56e0\uff0c\u5982\u7f51\u7edc\u62e5\u5835\u3001\u8def\u7531\u8bbe\u5907\u5f02\u5e38\u7b49\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5728 Kubernetes Pod \u4e2d\u4f7f\u7528 traceroute \u7684\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre><code>kubectl exec -it &lt;pod-name&gt; -- traceroute &lt;destination-ip&gt;\r\n<\/code><\/pre>\n<p>\u5206\u6790 traceroute \u7ed3\u679c\u53ef\u627e\u5230\u4e22\u5305\u8d77\u59cb\u8282\u70b9\uff0c\u91cd\u70b9\u5173\u6ce8\u5ef6\u8fdf\u8fc7\u9ad8\u6216\u65e0\u54cd\u5e94\u7684\u8df3\u70b9\uff0c\u4f9d\u6258\u6570\u636e\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u3002Traceroute \u4e0e MTR \u53ef\u6709\u6548\u5b9a\u4f4d\u7f51\u7edc\u4e22\u5305\uff0c\u4f18\u5316\u96c6\u7fa4\u8fde\u63a5\u8d28\u91cf\u3002<\/p>\n<h3>\u4f7f\u7528 Tcpdump \u6293\u53d6\u6d41\u91cf<\/h3>\n<p>Tcpdump \u53ef\u6293\u53d6\u539f\u59cb\u7f51\u7edc\u6d41\u91cf\u5e76\u5206\u6790\u4e22\u5305\u95ee\u9898\uff0c\u53ef\u4f5c\u4e3a\u8fb9\u8f66\u5bb9\u5668\u4e0e\u4e1a\u52a1 Pod \u90e8\u7f72\uff0c\u9488\u5bf9\u6307\u5b9a\u7f51\u5361\u6293\u53d6\u6d41\u91cf\uff0c\u751f\u6210\u5e26\u65f6\u95f4\u6233\u7684 PCAP \u6587\u4ef6\u7528\u4e8e\u540e\u7eed\u5206\u6790\u3002<\/p>\n<p>Tcpdump \u53ef\u5b9e\u65f6\u76d1\u63a7\u8fde\u63a5\u72b6\u6001\uff0c\u5b9a\u4f4d\u7f51\u7edc\u62e5\u5835\u3001\u6d41\u91cf\u8fc7\u8f7d\u7b49\u5e38\u89c1\u8bf1\u56e0\uff0c\u8fd8\u80fd\u67e5\u770b\u91cd\u4f20\u7b49\u5173\u952e\u6570\u636e\uff0c\u901a\u8fc7\u6df1\u5ea6\u6d41\u91cf\u5206\u6790\u5b9a\u4f4d\u4e22\u5305\u6839\u6e90\u3002<\/p>\n<ul>\n<li>\n<p>Tcpdump \u53ef\u6293\u53d6\u539f\u59cb\u7f51\u7edc\u6d41\u91cf<\/p>\n<\/li>\n<li>\n<p>SEPP \u6570\u636e\u6355\u83b7\u6a21\u5757\u53ef\u751f\u6210\u5e26\u65f6\u95f4\u6233\u7684 PCAP \u6587\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u5206\u6790\u6587\u4ef6\u53ef\u5b9a\u4f4d\u4e22\u5305\u95ee\u9898<\/p>\n<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u5728 Kubernetes Pod \u4e2d\u8fd0\u884c tcpdump \u7684\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre><code>kubectl exec -it &lt;pod-name&gt; -- tcpdump -i eth0 -w \/tmp\/capture.pcap\r\n<\/code><\/pre>\n<p>\u53ef\u901a\u8fc7 Grafana \u5c55\u793a tcpdump \u53ca\u5176\u4ed6\u7f51\u7edc\u5de5\u5177\u7684\u76d1\u63a7\u6570\u636e\uff0c\u914d\u7f6e\u544a\u8b66\u89c4\u5219\u53ca\u65f6\u53d1\u73b0\u8fde\u63a5\u5f02\u5e38\u3002Tcpdump \u53ef\u52a9\u529b\u5b9a\u4f4d\u5e76\u89e3\u51b3 Kubernetes \u7f51\u7edc\u4e22\u5305\u95ee\u9898\u3002<\/p>\n<h3>\u901a\u8fc7 KubeSkoop \u548c FlowCollector \u76d1\u63a7<\/h3>\n<p>KubeSkoop \u4e0e FlowCollector \u53ef\u4ece Pod \u7ef4\u5ea6\u76d1\u63a7\u7f51\u7edc\u6570\u636e\uff0c\u5b9a\u4f4d\u4e22\u5305\u95ee\u9898\u3002KubeSkoop \u57fa\u4e8e eBPF \u5b9e\u73b0\u5b9e\u65f6\u76d1\u63a7\uff0c\u53ef\u7cbe\u51c6\u5b9a\u4f4d\u6545\u969c\u8282\u70b9\uff0c\u652f\u6301\u5168\u94fe\u8def\u68c0\u6d4b\u4e0e\u5ef6\u8fdf\u6d4b\u8bd5\u3002<\/p>\n<p>FlowCollector \u53ef\u8ffd\u8e2a\u7f51\u7edc\u8def\u5f84\u3001\u91c7\u96c6\u76d1\u63a7\u6570\u636e\u7528\u4e8e\u4e22\u5305\u5206\u6790\uff0c\u67e5\u770b\u96c6\u7fa4\u5185\u5168\u94fe\u8def\u8fde\u63a5\u72b6\u6001\u3002\u4e24\u6b3e\u5de5\u5177\u5747\u53ef\u5b9a\u4f4d\u7f51\u7edc\u74f6\u9888\u4e0e\u4e22\u5305\u5e38\u89c1\u8bf1\u56e0\u3002<\/p>\n<ul>\n<li>\n<p>KubeSkoop \u53ef\u81ea\u52a8\u8bc6\u522b\u5bb9\u5668\u5f02\u5e38<\/p>\n<\/li>\n<li>\n<p>\u5feb\u901f\u68c0\u6d4b DNS \u5f02\u5e38\u4e0e\u670d\u52a1\u6545\u969c<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6296\u52a8\u3001\u5ef6\u8fdf\u4e0e\u4e22\u5305<\/p>\n<\/li>\n<li>\n<p>KubeSkoop exporter \u57fa\u4e8e eBPF\u3001procfs\u3001netlink \u5b9e\u73b0 Pod \u7ea7\u7f51\u7edc\u76d1\u63a7<\/p>\n<\/li>\n<li>\n<p>\u63d0\u4f9b\u76d1\u63a7\u6307\u6807\u4e0e\u4e8b\u4ef6\u8bb0\u5f55<\/p>\n<\/li>\n<\/ul>\n<p>\u4e0b\u8868\u4e3a KubeSkoop \u4e0e FlowCollector \u529f\u80fd\u5bf9\u6bd4\uff1a<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5de5\u5177<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6838\u5fc3\u529f\u80fd<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u9002\u7528\u573a\u666f<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>KubeSkoop<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5b9e\u65f6\u76d1\u63a7\u3001eBPF \u6280\u672f\u3001\u4e8b\u4ef6\u8bb0\u5f55<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5b9a\u4f4d\u4e22\u5305\u3001\u6545\u969c\u8bca\u65ad<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>FlowCollector<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8def\u5f84\u8ffd\u8e2a\u3001\u6307\u6807\u91c7\u96c6\u3001\u53ef\u89c6\u5316\u5c55\u793a<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6301\u7eed\u8def\u5f84\u76d1\u63a7\u3001\u74f6\u9888\u5b9a\u4f4d<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u6392\u67e5\u4e0e\u89e3\u51b3\u7f51\u7edc\u4e22\u5305\u95ee\u9898<\/h2>\n<h3>\u5206\u6790\u65e5\u5fd7\u4e0e\u7cfb\u7edf\u6307\u6807<\/h3>\n<p>\u6392\u67e5\u4e22\u5305\u53ef\u5148\u4ece\u65e5\u5fd7\u4e0e\u7cfb\u7edf\u6307\u6807\u5165\u624b\uff0c\u68c0\u67e5 Pod \u65e5\u5fd7\u3001\u8282\u70b9\u65e5\u5fd7\u53ca\u7f51\u5361\u72b6\u6001\uff0c\u901a\u8fc7\u76d1\u63a7\u5de5\u5177\u67e5\u770b\u5ef6\u8fdf\u3001\u91cd\u4f20\u7b49\u6570\u636e\u3002Grafana \u53ef\u5b9e\u65f6\u5c55\u793a\u76f8\u5173\u6307\u6807\uff0c\u91cd\u70b9\u5173\u6ce8\u4e22\u5305\u6570\u3001\u9519\u8bef\u7387\u7684\u7a81\u589e\u60c5\u51b5\u3002\u53ef\u89c2\u6d4b\u6027\u5de5\u5177\u80fd\u5e2e\u52a9\u53d1\u73b0\u6545\u969c\u89c4\u5f8b\u4e0e\u8d77\u59cb\u65f6\u95f4\uff0c\u501f\u52a9\u6392\u67e5\u5de5\u5177\u91c7\u96c6\u96c6\u7fa4\u5404\u7ef4\u5ea6\u6570\u636e\u3002<\/p>\n<h3>\u5b9a\u4f4d\u6839\u56e0<\/h3>\n<p>\u9700\u7ed3\u5408\u6307\u6807\u4e0e\u65e5\u5fd7\u6570\u636e\u5173\u8054\u5206\u6790\uff0c\u627e\u5230\u4e22\u5305\u7684\u6839\u672c\u539f\u56e0\u3002\u7f51\u7edc\u62e5\u5835\u3001\u76ee\u6807\u8282\u70b9\u8fc7\u8f7d\u662f\u5e38\u89c1\u8bf1\u56e0\uff0c\u4e0b\u8868\u4e3a\u5177\u4f53\u8bf4\u660e\uff1a<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8bf1\u56e0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8bf4\u660e<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u62e5\u5835<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u6d41\u91cf\u8fc7\u9ad8\u65f6\uff0c\u8def\u7531\u8bbe\u5907\u56e0\u8d1f\u8f7d\u8fc7\u9ad8\u4f1a\u4e3b\u52a8\u4e22\u5f03\u6570\u636e\u5305<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u76ee\u6807\u8282\u70b9\u8fc7\u8f7d<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u76ee\u6807\u670d\u52a1\u8d1f\u8f7d\u8fc7\u9ad8\u65f6\uff0c\u4f1a\u4e22\u5f03\u6216\u5ffd\u7565\u6570\u636e\u5305\uff0c\u5f15\u53d1\u4e22\u5305<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u96c6\u7fa4\u8d1f\u8f7d\u5347\u9ad8\u65f6\uff0c\u8fd8\u53ef\u80fd\u4f34\u968f\u5ef6\u8fdf\u589e\u52a0\u3001\u8bf7\u6c42\u8d85\u65f6\u7b49\u95ee\u9898\uff0c\u5c06 Pod \u8c03\u5ea6\u81f3\u4f4e\u8d1f\u8f7d\u8282\u70b9\u901a\u5e38\u53ef\u7f13\u89e3\u6545\u969c\u3002CNI \u63d2\u4ef6\u521b\u5efa\u7684\u865a\u62df\u7f51\u5361\u4e5f\u53ef\u80fd\u5f15\u53d1\u4e22\u5305\u95ee\u9898\u3002<\/p>\n<h3>\u5b9e\u65bd\u4fee\u590d\u5e76\u907f\u514d\u95ee\u9898\u590d\u53d1<\/h3>\n<p>\u5b9a\u4f4d\u6839\u56e0\u540e\uff0c\u91c7\u53d6\u9488\u5bf9\u6027\u4fee\u590d\u65b9\u6848\uff1a\u7f51\u7edc\u62e5\u5835\u53ef\u964d\u4f4e\u6d41\u91cf\u6216\u6269\u5bb9\u5e26\u5bbd\uff1b\u8282\u70b9\u8fc7\u8f7d\u53ef\u5c06 Pod \u8c03\u5ea6\u81f3\u4f4e\u8d1f\u8f7d\u8282\u70b9\uff1b\u6570\u636e\u5305\u5904\u7406\u5f02\u5e38\u53ef\u4f18\u5316\u5185\u6838\u53c2\u6570\u3002\u6301\u7eed\u5f00\u542f\u76d1\u63a7\uff0c\u63d0\u524d\u53d1\u73b0\u65b0\u95ee\u9898\uff0c\u4e3a\u6838\u5fc3\u6307\u6807\u914d\u7f6e\u544a\u8b66\uff0c\u901a\u8fc7\u53ef\u89c2\u6d4b\u9762\u677f\u76d1\u63a7\u6027\u80fd\u3002\u5b9a\u671f\u5de1\u68c0\u4e0e\u6301\u7eed\u76d1\u63a7\uff0c\u53ef\u907f\u514d\u4e22\u5305\u95ee\u9898\u53cd\u590d\u51fa\u73b0\uff0c\u5e38\u6001\u5316\u6392\u67e5\u4fdd\u969c\u96c6\u7fa4\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<div class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid;width: 100%\"><\/div>\n<\/div>\n<p>\u901a\u8fc7\u6807\u51c6\u5316\u6b65\u9aa4\u5373\u53ef\u5b9a\u4f4d\u5e76\u4fee\u590d Kubernetes \u96c6\u7fa4\u4e22\u5305\u95ee\u9898\uff0c\u4f7f\u7528 traceroute\u3001tcpdump\u3001Grafana \u7b49\u5de5\u5177\u68c0\u6d4b\u7f51\u7edc\u72b6\u6001\uff0c\u6301\u7eed\u76d1\u63a7\u80fd\u63d0\u524d\u53d1\u73b0\u5e76\u5feb\u901f\u89e3\u51b3\u95ee\u9898\uff0c\u8fd9\u4e5f\u662f\u884c\u4e1a\u901a\u7528\u7684\u8fd0\u7ef4\u65b9\u6848\uff1a<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u80fd\u529b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8bf4\u660e<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u63a7\u5236\u9762\u6545\u969c\u8bc6\u522b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5b9a\u4f4d kube-apiserver\u3001kube-controller-manager\u3001etcd \u7b49\u7ec4\u4ef6\u5f02\u5e38<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8282\u70b9\u6545\u969c\u68c0\u6d4b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d1\u73b0\u5185\u5b58\u3001CPU\u3001\u78c1\u76d8\u3001\u5185\u6838\u7b49\u5c42\u9762\u7684\u8282\u70b9\u95ee\u9898<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>YAML \u6821\u9a8c<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6821\u9a8c\u5de5\u4f5c\u8d1f\u8f7d\u914d\u7f6e\u662f\u5426\u7b26\u5408\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u63d0\u524d\u53d1\u73b0\u6545\u969c\u3001\u6301\u7eed\u76d1\u63a7\u72b6\u6001\u53d8\u5316\uff0c\u53ef\u63d0\u5347\u7f51\u7edc\u7a33\u5b9a\u6027\u4e0e\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u54cd\u5e94\u7f13\u6162\u3001\u8fde\u63a5\u65ad\u5f00\u7b49\u5f02\u5e38\u8ff9\u8c61\uff0c\u5b9a\u4f4d Kubernetes\u96c6\u7fa4\u4e2d\u7684\u7f51\u7edc\u4e22\u5305\u95ee\u9898\u3002\u4e22\u5305\u4f1a\u5bfc\u81f4\u5e94\u7528\u884c\u4e3a\u5f02\u5e38\u751a\u81f3\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\uff0c\u7528\u6237\u53ef\u80fd\u53cd\u9988\u8bf7\u6c42\u8d85\u65f6\u3001\u670d\u52a1\u65e0\u6cd5\u8fde\u63a5\u7b49\u95ee\u9898\u3002\u5c3d\u65e9\u5b9a\u4f4d\u8fd9\u7c7b\u95ee\u9898\uff0c\u80fd\u4fdd\u969c\u5e94\u7528\u7a33\u5b9a\u8fd0\u884c\u3002\u6301\u7eed\u5173\u6ce8\u7f51\u7edc\u72b6\u6001\uff0c\u6309\u7167\u6392\u67e5\u6b65\u9aa4\u627e\u5230\u4e22\u5305\u4f4d\u7f6e\u3002 \u6392\u67e5 Kubernetes \u96c6\u7fa4\u4e2d\u7684\u7f51\u7edc\u4e22\u5305 \u7f51\u7edc\u4e22\u5305\u7684\u8868\u73b0\u75c7\u72b6 \u7f51\u7edc\u4e22\u5305\u4f1a\u5bfc\u81f4\u5e94\u7528\u8fd0\u884c\u7f13\u6162\u6216\u76f4\u63a5\u5931\u6548\uff0c\u7528\u6237\u53ef\u80fd\u9047\u5230\u8fde\u63a5\u4e2d\u65ad\u3001\u8bf7\u6c42\u8d85\u65f6\u7b49\u60c5\u51b5\u3002\u90e8\u5206\u670d\u52a1\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\uff0c\u6570\u636e\u4f20\u8f93\u4e0d\u5b8c\u6574\uff0c\u65e5\u5fd7\u4e2d\u51fa\u73b0\u968f\u673a\u9519\u8bef\uff0c\u751a\u81f3\u90e8\u5206\u8bf7\u6c42\u65e0\u6cd5\u9001\u8fbe\u3002\u53d1\u73b0\u8fd9\u7c7b\u95ee\u9898\u540e\u9700\u53ca\u65f6\u5904\u7406\uff0c\u7f51\u7edc\u4e22\u5305\u4f1a\u63a9\u76d6\u771f\u5b9e\u6545\u969c\u6839\u6e90\uff0c\u589e\u52a0\u6392\u67e5\u96be\u5ea6\u3002 \u9700\u76d1\u63a7\u7684\u6838\u5fc3\u6307\u6807 \u5b9a\u4f4d\u96c6\u7fa4\u4e22\u5305\u9700\u5173\u6ce8\u591a\u9879\u6307\u6807\uff0c\u6301\u7eed\u76d1\u63a7\u8fd9\u4e9b\u6570\u636e\u80fd\u5728\u4e22\u5305\u5f71\u54cd\u5e94\u7528\u524d\u63d0\u524d\u53d1\u73b0\u95ee\u9898\u3002\u5efa\u8bae\u957f\u671f\u76d1\u63a7\u96c6\u7fa4\u6027\u80fd\uff0c\u5e76\u5c06\u4e22\u5305\u6570\u636e\u4e0e\u8d44\u6e90\u5360\u7528\u7b49\u6027\u80fd\u6307\u6807\u5bf9\u6bd4\uff0c\u5168\u9762\u638c\u63e1\u7f51\u7edc\u5065\u5eb7\u72b6\u6001\u3002 \u4e22\u5305\u7387 \u7f51\u7edc\u5ef6\u8fdf \u91cd\u4f20\u6b21\u6570 \u4e22\u5305\u6570\u91cf \u7f51\u5361\u9519\u8bef\u7387 CPU \u4f7f\u7528\u7387 \u5185\u5b58\u4f7f\u7528\u7387 \u8fde\u63a5\u91cd\u7f6e\u6b21\u6570 \u670d\u52a1\u54cd\u5e94\u65f6\u95f4 \u53ef\u901a\u8fc7\u76d1\u63a7\u5de5\u5177\u5b9e\u65f6\u67e5\u770b\u4e0a\u8ff0\u6307\u6807\uff0c\u4e0b\u8868\u5217\u51fa\u4e24\u6b3e\u53ef\u7528\u4e8e\u76d1\u63a7 Kubernetes \u96c6\u7fa4\u4e22\u5305\u7684\u5de5\u5177\uff1a \u5de5\u5177\u540d\u79f0 \u8bf4\u660e \u94fe\u63a5 gala-gopher \u652f\u6301\u81ea\u5b9a\u4e49\u914d\u7f6e\u7684\u7f51\u7edc\u4e22\u5305\u76d1\u63a7\u5de5\u5177 gala-gopher \u6587\u6863 perftest \u652f\u6301\u5b9e\u65f6\u6027\u80fd\u76d1\u63a7\u7684\u6d4b\u8bd5\u5de5\u5177 perftest \u6587\u6863 \u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u5b9a\u4f4d\u7f51\u7edc\u4e22\u5305 \u53ef\u901a\u8fc7\u4e13\u4e1a\u8bca\u65ad\u5de5\u5177\u5b9a\u4f4d\u7f51\u7edc\u4e22\u5305\uff0c\u8fd9\u7c7b\u5de5\u5177\u80fd\u8ffd\u8e2a\u6570\u636e\u5305\u5728\u7f51\u7edc\u94fe\u8def\u4e2d\u7684\u4f20\u8f93\u8def\u5f84\uff0c\u7cbe\u51c6\u5b9a\u4f4d\u8fde\u63a5\u4e2d\u65ad\u7684\u8282\u70b9\u3002\u5e38\u7528\u5de5\u5177\u5305\u62ec traceroute\u3001MTR\u3001tcpdump\u3001KubeSkoop\u3001FlowCollector\uff0c\u4e0d\u540c\u5de5\u5177\u53ef\u63d0\u4f9b\u591a\u7ef4\u6570\u636e\uff0c\u5e2e\u52a9\u5b9a\u4f4d\u7f51\u7edc\u74f6\u9888\u3002 \u4f7f\u7528 Traceroute \u548c MTR Traceroute \u53ef\u5c55\u793a\u4ece Pod 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