{"id":35536,"date":"2025-03-19T10:05:56","date_gmt":"2025-03-19T02:05:56","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=35536"},"modified":"2025-03-19T10:05:56","modified_gmt":"2025-03-19T02:05:56","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8%e5%ae%b9%e5%99%a8%e7%bc%96%e6%8e%92%e5%b7%a5%e5%85%b7%e5%ae%9a%e4%bd%8d%e5%ba%94%e7%94%a8%e6%95%85%e9%9a%9c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/35536.html","title":{"rendered":"\u5982\u4f55\u5229\u7528\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u5b9a\u4f4d\u5e94\u7528\u6545\u969c\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/2lhqa703.jpg\" alt=\"\u5982\u4f55\u5229\u7528\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u5b9a\u4f4d\u5e94\u7528\u6545\u969c\uff1f\" ><\/p>\n<\/p>\n<p><strong>\u524d\u8a00<\/strong><br \/>\n\u5728\u4e91\u539f\u751f\u65f6\u4ee3\uff0c\u5fae\u670d\u52a1\u67b6\u6784\u5df2\u6210\u4e3a\u4f01\u4e1a\u5e94\u7528\u5f00\u53d1\u7684\u4e3b\u6d41\u6a21\u5f0f\u3002\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u666e\u53ca\uff0cKubernetes\u3001Docker Swarm\u7b49<strong>\u5bb9\u5668\u7f16\u6392\u5de5\u5177<\/strong>\u7684\u590d\u6742\u6027\u4e5f\u7ed9\u8fd0\u7ef4\u5e26\u6765\u4e86\u65b0\u7684\u6311\u6218\u2014\u2014\u5982\u4f55\u5728\u6d77\u91cf\u5bb9\u5668\u96c6\u7fa4\u4e2d\u5feb\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u5e94\u7528\u6545\u969c\uff1f\u65e0\u8bba\u662f\u65e5\u5fd7\u4e22\u5931\u3001\u6027\u80fd\u74f6\u9888\uff0c\u8fd8\u662f\u670d\u52a1\u95f4\u901a\u4fe1\u5f02\u5e38\uff0c\u95ee\u9898\u7684\u6839\u6e90\u5f80\u5f80\u9690\u85cf\u5728\u5bb9\u5668\u7f16\u6392\u7cfb\u7edf\u7684\u5c42\u5c42\u62bd\u8c61\u4e4b\u4e0b\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u68b3\u7406\u5982\u4f55\u501f\u52a9\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684<strong>\u539f\u751f\u80fd\u529b<\/strong>\u4e0e<strong>\u751f\u6001\u7ec4\u4ef6<\/strong>\uff0c\u6784\u5efa\u9ad8\u6548\u7684\u6545\u969c\u5b9a\u4f4d\u94fe\u8def\uff0c\u5e2e\u52a9\u8fd0\u7ef4\u56e2\u961f\u5316\u88ab\u52a8\u4e3a\u4e3b\u52a8\uff0c\u5b9e\u73b0\u201c\u7cbe\u51c6\u6392\u96f7\u201d\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u4ece\u65e5\u5fd7\u5165\u624b-\u7a7f\u900f\u5bb9\u5668\u9694\u79bb\u6027\">\u4e00\u3001<strong>\u4ece\u65e5\u5fd7\u5165\u624b\uff1a\u7a7f\u900f\u5bb9\u5668\u9694\u79bb\u6027<\/strong><\/h3>\n<p>\u5bb9\u5668\u7684\u9694\u79bb\u6027\u662f\u5176\u6838\u5fc3\u4f18\u52bf\uff0c\u4f46\u4e5f\u8ba9\u4f20\u7edf\u65e5\u5fd7\u6392\u67e5\u65b9\u5f0f\u5931\u6548\u3002\u4f8b\u5982\uff0c\u5355\u4e2aPod\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u5bb9\u5668\uff0c\u800c\u65e5\u5fd7\u9ed8\u8ba4\u4ec5\u5b58\u50a8\u5728\u5bb9\u5668\u672c\u5730\u3002<strong>Kubernetes<\/strong>\u63d0\u4f9b\u4e86\u4e24\u79cd\u5173\u952e\u673a\u5236\u7a81\u7834\u8fd9\u4e00\u9650\u5236\uff1a<\/p>\n<ol>\n<li><strong>\u96c6\u4e2d\u5f0f\u65e5\u5fd7\u6536\u96c6<\/strong>\uff1a\u901a\u8fc7Fluentd\u3001Filebeat\u7b49\u5de5\u5177\uff0c\u5c06\u5bb9\u5668\u6807\u51c6\u8f93\u51fa\uff08stdout\/stderr\uff09\u7684\u65e5\u5fd7\u5b9e\u65f6\u63a8\u9001\u81f3Elasticsearch\u6216Loki\u7b49\u5b58\u50a8\u7cfb\u7edf\u3002\n<\/li>\n<li><strong>\u6807\u7b7e\u7b5b\u9009\u4e0e\u805a\u5408<\/strong>\uff1a\u5229\u7528<code>kubectl logs<\/code>\u547d\u4ee4\u7684<code>--selector<\/code>\u53c2\u6570\uff0c\u7ed3\u5408Pod\u6807\u7b7e\u5feb\u901f\u8fc7\u6ee4\u76ee\u6807\u65e5\u5fd7\u3002\u4f8b\u5982\uff1a\n<\/li>\n<\/ol>\n<pre><code class=\"language-bash\">kubectl logs -l app=nginx --tail=100  \r\n<\/code><\/pre>\n<p><em>\u63d0\u793a<\/em>\uff1a\u4e3a\u5173\u952e\u670d\u52a1\u6dfb\u52a0<strong>\u552f\u4e00\u6027\u6807\u7b7e<\/strong>\uff08\u5982<code>version: v2.1<\/code>\uff09\uff0c\u53ef\u907f\u514d\u56e0\u6eda\u52a8\u66f4\u65b0\u5bfc\u81f4\u7684\u65e5\u5fd7\u6df7\u6dc6\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u76d1\u63a7\u6307\u6807-\u4ece\u8868\u8c61\u5230\u6839\u6e90\u7684-x\u5149\">\u4e8c\u3001<strong>\u76d1\u63a7\u6307\u6807\uff1a\u4ece\u8868\u8c61\u5230\u6839\u6e90\u7684\u201cX\u5149\u201d<\/strong><\/h3>\n<p>\u5f53\u5e94\u7528\u51fa\u73b0\u54cd\u5e94\u5ef6\u8fdf\u6216CPU\u98d9\u5347\u65f6\uff0c\u4ec5\u51ed\u65e5\u5fd7\u5f80\u5f80\u96be\u4ee5\u5b9a\u4f4d\u6df1\u5c42\u539f\u56e0\u3002<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>+Grafana<\/strong>\u7684\u9ec4\u91d1\u7ec4\u5408\u80fd\u63d0\u4f9b\u591a\u7ef4\u5ea6\u7684\u76d1\u63a7\u89c6\u89d2\uff1a<\/p>\n<ul>\n<li><strong>\u8d44\u6e90\u5c42\u6307\u6807<\/strong>\uff1a\u901a\u8fc7cAdvisor\u91c7\u96c6\u5bb9\u5668\u7ea7\u522b\u7684CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8I\/O\u6570\u636e\uff0c\u8bc6\u522b\u8d44\u6e90\u4e89\u62a2\u5bfc\u81f4\u7684\u201c\u566a\u58f0\u90bb\u5c45\u201d\u95ee\u9898\u3002\n<\/li>\n<li><strong>\u5e94\u7528\u5c42\u6307\u6807<\/strong>\uff1a\u5728\u4ee3\u7801\u4e2d\u96c6\u6210<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>\u5ba2\u6237\u7aef\u5e93\uff08\u5982Java\u7684Micrometer\uff09\uff0c\u66b4\u9732\u81ea\u5b9a\u4e49\u6307\u6807\uff08\u5982\u8bf7\u6c42\u541e\u5410\u91cf\u3001\u9519\u8bef\u7387\uff09\u3002\n<\/li>\n<li><strong>\u7f16\u6392\u5c42\u72b6\u6001<\/strong>\uff1a\u5229\u7528Kubernetes\u7684kube-state-metrics\u7ec4\u4ef6\uff0c\u76d1\u63a7Pod\u91cd\u542f\u6b21\u6570\u3001\u526f\u672c\u96c6\u72b6\u6001\u7b49\u7f16\u6392\u4fe1\u606f\u3002\n<\/li>\n<\/ul>\n<p><em>\u6848\u4f8b<\/em>\uff1a\u67d0\u7535\u5546\u5e73\u53f0\u53d1\u73b0\u8ba2\u5355\u670d\u52a1\u5ef6\u8fdf\u7a81\u589e\uff0c\u901a\u8fc7\u5bf9\u6bd4\u5bb9\u5668CPU\u4f7f\u7528\u7387\u4e0eJVM\u7ebf\u7a0b\u6c60\u6307\u6807\uff0c\u6700\u7ec8\u5b9a\u4f4d\u5230\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u6cc4\u6f0f\u95ee\u9898\u3002<\/p>\n<hr>\n<h3 id=\"\u4e09-\u670d\u52a1\u4f9d\u8d56\u62d3\u6251-\u7834\u89e3-\u96ea\u5d29\u6548\u5e94-\u7684\u94a5\u5319\">\u4e09\u3001<strong>\u670d\u52a1\u4f9d\u8d56\u62d3\u6251\uff1a\u7834\u89e3\u201c\u96ea\u5d29\u6548\u5e94\u201d\u7684\u94a5\u5319<\/strong><\/h3>\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u5355\u4e2a\u670d\u52a1\u6545\u969c\u53ef\u80fd\u5f15\u53d1\u7ea7\u8054\u5d29\u6e83\u3002<strong>\u670d\u52a1\u7f51\u683c\uff08Service Mesh\uff09<\/strong>\u5de5\u5177\u5982Istio\uff0c\u53ef\u81ea\u52a8\u7ed8\u5236\u670d\u52a1\u8c03\u7528\u5173\u7cfb\u56fe\uff0c\u5e76\u63d0\u4f9b\uff1a<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a><\/strong>\uff1a\u96c6\u6210Jaeger\u6216Zipkin\uff0c\u8ffd\u8e2a\u8bf7\u6c42\u5728\u591a\u4e2a\u670d\u52a1\u95f4\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u8bc6\u522b\u74f6\u9888\u8282\u70b9\u3002\n<\/li>\n<li><strong>\u7194\u65ad\u4e0e\u91cd\u8bd5\u7b56\u7565\u53ef\u89c6\u5316<\/strong>\uff1a\u901a\u8fc7Kiali\u754c\u9762\uff0c\u5b9e\u65f6\u67e5\u770b\u7194\u65ad\u5668\u89e6\u53d1\u72b6\u6001\u548c\u91cd\u8bd5\u6b21\u6570\uff0c\u907f\u514d\u56e0\u4e0b\u6e38\u670d\u52a1\u6545\u969c\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\u3002\n<\/li>\n<\/ul>\n<p><em>\u5b9e\u6218\u6280\u5de7<\/em>\uff1a\u7ed3\u5408<code>kubectl describe pod<\/code>\u547d\u4ee4\u67e5\u770b<strong>\u4e8b\u4ef6\u8bb0\u5f55<\/strong>\uff08Events\uff09\uff0c\u5feb\u901f\u8bc6\u522b\u56e0\u4f9d\u8d56\u670d\u52a1\u4e0d\u53ef\u7528\u5bfc\u81f4\u7684Pod\u542f\u52a8\u5931\u8d25\u3002<\/p>\n<hr>\n<h3 id=\"\u56db-\u8d44\u6e90\u9694\u79bb\u4e0e\u8c03\u5ea6-\u9690\u85cf\u7684-\u6027\u80fd\u6740\u624b\">\u56db\u3001<strong>\u8d44\u6e90\u9694\u79bb\u4e0e\u8c03\u5ea6\uff1a\u9690\u85cf\u7684\u201c\u6027\u80fd\u6740\u624b\u201d<\/strong><\/h3>\n<p>\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u8c03\u5ea6\u7b56\u7565\u4e0d\u5f53\u53ef\u80fd\u5f15\u53d1\u9690\u6027\u6545\u969c\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u8282\u70b9\u4eb2\u548c\u6027\u914d\u7f6e\u9519\u8bef<\/strong>\uff1a\u5bfc\u81f4\u9ad8\u8d1f\u8f7d\u670d\u52a1\u96c6\u4e2d\u5728\u540c\u4e00\u7269\u7406\u8282\u70b9\uff0c\u5f15\u53d1\u8d44\u6e90\u4e89\u62a2\u3002\n<\/li>\n<li><strong>LimitRange\u7f3a\u5931<\/strong>\uff1a\u672a\u8bbe\u7f6e\u5bb9\u5668\u8d44\u6e90\u914d\u989d\uff08CPU\/Memory Limits\uff09\uff0c\u5f15\u53d1OOM\uff08\u5185\u5b58\u6ea2\u51fa\uff09\u6216CPU\u8282\u6d41\u3002\n<\/li>\n<\/ul>\n<p>\u901a\u8fc7<strong>kube-scheduler<\/strong>\u7684\u8c03\u8bd5\u65e5\u5fd7\u6216<code>kubectl top node\/pod<\/code>\u547d\u4ee4\uff0c\u53ef\u9a8c\u8bc1\u8d44\u6e90\u5206\u914d\u662f\u5426\u5408\u7406\u3002<em>\u5efa\u8bae<\/em>\uff1a\u4f7f\u7528Vertical Pod Autoscaler\uff08VPA\uff09\u52a8\u6001\u8c03\u6574\u8d44\u6e90\u914d\u989d\uff0c\u907f\u514d\u9759\u6001\u914d\u7f6e\u7684\u201c\u8fc7\u5206\u914d\u201d\u6216\u201c\u6b20\u5206\u914d\u201d\u3002<\/p>\n<hr>\n<h3 id=\"\u4e94-\u7f51\u7edc\u7b56\u7565-\u5bb9\u5668\u901a\u4fe1\u7684-\u9632\u706b\u5899\">\u4e94\u3001<strong>\u7f51\u7edc\u7b56\u7565\uff1a\u5bb9\u5668\u901a\u4fe1\u7684\u201c\u9632\u706b\u5899\u201d<\/strong><\/h3>\n<p>\u5bb9\u5668\u95f4\u7684\u7f51\u7edc\u9694\u79bb\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u53d1\u73b0\u5f02\u5e38\u3002\u6392\u67e5\u65f6\u53ef\u5206\u4e09\u6b65\u8d70\uff1a<\/p>\n<ol>\n<li><strong>\u9a8c\u8bc1\u57fa\u7840\u8fde\u901a\u6027<\/strong>\uff1a\n<\/li>\n<\/ol>\n<pre><code class=\"language-bash\">kubectl exec -it &lt;pod-name&gt; -- curl http:\/\/&lt;service-name&gt;:&lt;port&gt;  \r\n<\/code><\/pre>\n<ol>\n<li><strong>\u68c0\u67e5NetworkPolicy<\/strong>\uff1a\u786e\u8ba4\u662f\u5426\u56e0\u7f51\u7edc\u7b56\u7565\uff08NetworkPolicy\uff09\u9650\u5236\u4e86IP\u6216\u7aef\u53e3\u8bbf\u95ee\u3002\n<\/li>\n<li><strong>DNS\u89e3\u6790\u8bca\u65ad<\/strong>\uff1a\u8fdb\u5165\u5bb9\u5668\u6267\u884c<code>nslookup<\/code>\u547d\u4ee4\uff0c\u9a8c\u8bc1CoreDNS\u662f\u5426\u6b63\u5e38\u89e3\u6790\u670d\u52a1\u57df\u540d\u3002\n<\/li>\n<\/ol>\n<p><em>\u6ce8\u610f<\/em>\uff1a\u8de8\u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u8bbf\u95ee\u9700\u4f7f\u7528\u5168\u9650\u5b9a\u57df\u540d\uff08\u5982<code>backend-service.default.svc.cluster.local<\/code>\uff09\u3002<\/p>\n<hr>\n<h3 id=\"\u516d-\u81ea\u52a8\u5316\u5229\u5668-\u8ba9\u6545\u969c\u81ea\u6108\u6210\u4e3a\u53ef\u80fd\">\u516d\u3001<strong>\u81ea\u52a8\u5316\u5229\u5668\uff1a\u8ba9\u6545\u969c\u81ea\u6108\u6210\u4e3a\u53ef\u80fd<\/strong><\/h3>\n<p>\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u6838\u5fc3\u4ef7\u503c\u4e0d\u4ec5\u5728\u4e8e\u6545\u969c\u5b9a\u4f4d\uff0c\u66f4\u5728\u4e8e<strong>\u4e3b\u52a8\u9884\u9632<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u5065\u5eb7\u68c0\u67e5\uff08Probes\uff09<\/strong>\uff1a\u914d\u7f6eLiveness Probe\u4e0eReadiness Probe\uff0c\u81ea\u52a8\u91cd\u542f\u5f02\u5e38\u5bb9\u5668\u6216\u5c06\u5176\u4ece\u8d1f\u8f7d\u5747\u8861\u6c60\u5254\u9664\u3002\n<\/li>\n<\/ul>\n<pre><code class=\"language-yaml\">livenessProbe:  \r\nhttpGet:  \r\npath: \/health  \r\nport: 8080  \r\ninitialDelaySeconds: 15  \r\nperiodSeconds: 10  \r\n<\/code><\/pre>\n<ul>\n<li><strong>Operator\u6a21\u5f0f<\/strong>\uff1a\u9488\u5bf9MySQL\u3001Redis\u7b49\u6709\u72b6\u6001\u670d\u52a1\uff0c\u4f7f\u7528Operator\u81ea\u52a8\u5904\u7406\u4e3b\u4ece\u5207\u6362\u3001\u5907\u4efd\u6062\u590d\u7b49\u590d\u6742\u573a\u666f\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e03-\u5de5\u5177\u94fe\u6574\u5408-\u6784\u5efa\u95ed\u73af\u6392\u67e5\u4f53\u7cfb\">\u4e03\u3001<strong>\u5de5\u5177\u94fe\u6574\u5408\uff1a\u6784\u5efa\u95ed\u73af\u6392\u67e5\u4f53\u7cfb<\/strong><\/h3>\n<p>\u5c06\u4e0a\u8ff0\u65b9\u6cd5\u7cfb\u7edf\u5316\u6574\u5408\uff0c\u53ef\u5f62\u6210\u6807\u51c6\u5316\u7684\u6545\u969c\u5b9a\u4f4d\u6d41\u7a0b\uff08\u89c1\u56fe\uff09\u3002\u63a8\u8350\u5de5\u5177\u94fe\u7ec4\u5408\uff1a<\/p>\n<ul>\n<li><strong>\u65e5\u5fd7\u5c42<\/strong>\uff1aFluentd + Loki + Grafana\uff08\u8f7b\u91cf\u7ea7\u66ff\u4ee3ELK\uff09\n<\/li>\n<li><strong>\u76d1\u63a7\u5c42<\/strong>\uff1aPrometheus + Alertmanager + Grafana\n<\/li>\n<li><strong>\u8ffd\u8e2a\u5c42<\/strong>\uff1aIstio + Jaeger\n<\/li>\n<li><strong>\u81ea\u52a8\u5316<\/strong>\uff1aArgo Rollouts\uff08\u6e10\u8fdb\u5f0f\u53d1\u5e03\uff09\u3001Cluster API\uff08\u96c6\u7fa4\u81ea\u6108\uff09\n<\/li>\n<\/ul>\n<p><em>\u7ecf\u9a8c\u5206\u4eab<\/em>\uff1a\u5728CI\/CD\u6d41\u6c34\u7ebf\u4e2d\u96c6\u6210<strong>\u6df7\u6c8c\u5de5\u7a0b<\/strong>\u5de5\u5177\uff08\u5982Chaos Mesh\uff09\uff0c\u4e3b\u52a8\u6ce8\u5165\u6545\u969c\u573a\u666f\uff0c\u63d0\u524d\u9a8c\u8bc1\u7cfb\u7edf\u7684\u5bb9\u9519\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5728\u4e91\u539f\u751f\u65f6\u4ee3\uff0c\u5fae\u670d\u52a1\u67b6\u6784\u5df2\u6210\u4e3a\u4f01\u4e1a\u5e94\u7528\u5f00\u53d1\u7684\u4e3b\u6d41\u6a21\u5f0f\u3002\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u666e\u53ca\uff0cKubernetes\u3001Docker Swarm\u7b49\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u590d\u6742\u6027\u4e5f\u7ed9\u8fd0\u7ef4\u5e26\u6765\u4e86\u65b0\u7684\u6311\u6218\u2014\u2014\u5982\u4f55\u5728\u6d77\u91cf\u5bb9\u5668\u96c6\u7fa4\u4e2d\u5feb\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u5e94\u7528\u6545\u969c\uff1f\u65e0\u8bba\u662f\u65e5\u5fd7\u4e22\u5931\u3001\u6027\u80fd\u74f6\u9888\uff0c\u8fd8\u662f\u670d\u52a1\u95f4\u901a\u4fe1\u5f02\u5e38\uff0c\u95ee\u9898\u7684\u6839\u6e90\u5f80\u5f80\u9690\u85cf\u5728\u5bb9\u5668\u7f16\u6392\u7cfb\u7edf\u7684\u5c42\u5c42\u62bd\u8c61\u4e4b\u4e0b\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u68b3\u7406\u5982\u4f55\u501f\u52a9\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u539f\u751f\u80fd\u529b\u4e0e\u751f\u6001\u7ec4\u4ef6\uff0c\u6784\u5efa\u9ad8\u6548\u7684\u6545\u969c\u5b9a\u4f4d\u94fe\u8def\uff0c\u5e2e\u52a9\u8fd0\u7ef4\u56e2\u961f\u5316\u88ab\u52a8\u4e3a\u4e3b\u52a8\uff0c\u5b9e\u73b0\u201c\u7cbe\u51c6\u6392\u96f7\u201d\u3002 \u4e00\u3001\u4ece\u65e5\u5fd7\u5165\u624b\uff1a\u7a7f\u900f\u5bb9\u5668\u9694\u79bb\u6027 \u5bb9\u5668\u7684\u9694\u79bb\u6027\u662f\u5176\u6838\u5fc3\u4f18\u52bf\uff0c\u4f46\u4e5f\u8ba9\u4f20\u7edf\u65e5\u5fd7\u6392\u67e5\u65b9\u5f0f\u5931\u6548\u3002\u4f8b\u5982\uff0c\u5355\u4e2aPod\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u5bb9\u5668\uff0c\u800c\u65e5\u5fd7\u9ed8\u8ba4\u4ec5\u5b58\u50a8\u5728\u5bb9\u5668\u672c\u5730\u3002Kubernetes\u63d0\u4f9b\u4e86\u4e24\u79cd\u5173\u952e\u673a\u5236\u7a81\u7834\u8fd9\u4e00\u9650\u5236\uff1a \u96c6\u4e2d\u5f0f\u65e5\u5fd7\u6536\u96c6\uff1a\u901a\u8fc7Fluentd\u3001Filebeat\u7b49\u5de5\u5177\uff0c\u5c06\u5bb9\u5668\u6807\u51c6\u8f93\u51fa\uff08stdout\/stderr\uff09\u7684\u65e5\u5fd7\u5b9e\u65f6\u63a8\u9001\u81f3Elasticsearch\u6216Loki\u7b49\u5b58\u50a8\u7cfb\u7edf\u3002 \u6807\u7b7e\u7b5b\u9009\u4e0e\u805a\u5408\uff1a\u5229\u7528kubectl logs\u547d\u4ee4\u7684&#8211;selector\u53c2\u6570\uff0c\u7ed3\u5408Pod\u6807\u7b7e\u5feb\u901f\u8fc7\u6ee4\u76ee\u6807\u65e5\u5fd7\u3002\u4f8b\u5982\uff1a kubectl logs -l app=nginx &#8211;tail=100 \u63d0\u793a\uff1a\u4e3a\u5173\u952e\u670d\u52a1\u6dfb\u52a0\u552f\u4e00\u6027\u6807\u7b7e\uff08\u5982version: v2.1\uff09\uff0c\u53ef\u907f\u514d\u56e0\u6eda\u52a8\u66f4\u65b0\u5bfc\u81f4\u7684\u65e5\u5fd7\u6df7\u6dc6\u3002 \u4e8c\u3001\u76d1\u63a7\u6307\u6807\uff1a\u4ece\u8868\u8c61\u5230\u6839\u6e90\u7684\u201cX\u5149\u201d \u5f53\u5e94\u7528\u51fa\u73b0\u54cd\u5e94\u5ef6\u8fdf\u6216CPU\u98d9\u5347\u65f6\uff0c\u4ec5\u51ed\u65e5\u5fd7\u5f80\u5f80\u96be\u4ee5\u5b9a\u4f4d\u6df1\u5c42\u539f\u56e0\u3002Prometheus+Grafana\u7684\u9ec4\u91d1\u7ec4\u5408\u80fd\u63d0\u4f9b\u591a\u7ef4\u5ea6\u7684\u76d1\u63a7\u89c6\u89d2\uff1a \u8d44\u6e90\u5c42\u6307\u6807\uff1a\u901a\u8fc7cAdvisor\u91c7\u96c6\u5bb9\u5668\u7ea7\u522b\u7684CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8I\/O\u6570\u636e\uff0c\u8bc6\u522b\u8d44\u6e90\u4e89\u62a2\u5bfc\u81f4\u7684\u201c\u566a\u58f0\u90bb\u5c45\u201d\u95ee\u9898\u3002 \u5e94\u7528\u5c42\u6307\u6807\uff1a\u5728\u4ee3\u7801\u4e2d\u96c6\u6210Prometheus\u5ba2\u6237\u7aef\u5e93\uff08\u5982Java\u7684Micrometer\uff09\uff0c\u66b4\u9732\u81ea\u5b9a\u4e49\u6307\u6807\uff08\u5982\u8bf7\u6c42\u541e\u5410\u91cf\u3001\u9519\u8bef\u7387\uff09\u3002 \u7f16\u6392\u5c42\u72b6\u6001\uff1a\u5229\u7528Kubernetes\u7684kube-state-metrics\u7ec4\u4ef6\uff0c\u76d1\u63a7Pod\u91cd\u542f\u6b21\u6570\u3001\u526f\u672c\u96c6\u72b6\u6001\u7b49\u7f16\u6392\u4fe1\u606f\u3002 \u6848\u4f8b\uff1a\u67d0\u7535\u5546\u5e73\u53f0\u53d1\u73b0\u8ba2\u5355\u670d\u52a1\u5ef6\u8fdf\u7a81\u589e\uff0c\u901a\u8fc7\u5bf9\u6bd4\u5bb9\u5668CPU\u4f7f\u7528\u7387\u4e0eJVM\u7ebf\u7a0b\u6c60\u6307\u6807\uff0c\u6700\u7ec8\u5b9a\u4f4d\u5230\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u6cc4\u6f0f\u95ee\u9898\u3002 \u4e09\u3001\u670d\u52a1\u4f9d\u8d56\u62d3\u6251\uff1a\u7834\u89e3\u201c\u96ea\u5d29\u6548\u5e94\u201d\u7684\u94a5\u5319 \u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u5355\u4e2a\u670d\u52a1\u6545\u969c\u53ef\u80fd\u5f15\u53d1\u7ea7\u8054\u5d29\u6e83\u3002\u670d\u52a1\u7f51\u683c\uff08Service Mesh\uff09\u5de5\u5177\u5982Istio\uff0c\u53ef\u81ea\u52a8\u7ed8\u5236\u670d\u52a1\u8c03\u7528\u5173\u7cfb\u56fe\uff0c\u5e76\u63d0\u4f9b\uff1a \u5206\u5e03\u5f0f\u8ffd\u8e2a\uff1a\u96c6\u6210Jaeger\u6216Zipkin\uff0c\u8ffd\u8e2a\u8bf7\u6c42\u5728\u591a\u4e2a\u670d\u52a1\u95f4\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u8bc6\u522b\u74f6\u9888\u8282\u70b9\u3002 \u7194\u65ad\u4e0e\u91cd\u8bd5\u7b56\u7565\u53ef\u89c6\u5316\uff1a\u901a\u8fc7Kiali\u754c\u9762\uff0c\u5b9e\u65f6\u67e5\u770b\u7194\u65ad\u5668\u89e6\u53d1\u72b6\u6001\u548c\u91cd\u8bd5\u6b21\u6570\uff0c\u907f\u514d\u56e0\u4e0b\u6e38\u670d\u52a1\u6545\u969c\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\u3002 \u5b9e\u6218\u6280\u5de7\uff1a\u7ed3\u5408kubectl describe pod\u547d\u4ee4\u67e5\u770b\u4e8b\u4ef6\u8bb0\u5f55\uff08Events\uff09\uff0c\u5feb\u901f\u8bc6\u522b\u56e0\u4f9d\u8d56\u670d\u52a1\u4e0d\u53ef\u7528\u5bfc\u81f4\u7684Pod\u542f\u52a8\u5931\u8d25\u3002 \u56db\u3001\u8d44\u6e90\u9694\u79bb\u4e0e\u8c03\u5ea6\uff1a\u9690\u85cf\u7684\u201c\u6027\u80fd\u6740\u624b\u201d \u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u8c03\u5ea6\u7b56\u7565\u4e0d\u5f53\u53ef\u80fd\u5f15\u53d1\u9690\u6027\u6545\u969c\u3002\u4f8b\u5982\uff1a \u8282\u70b9\u4eb2\u548c\u6027\u914d\u7f6e\u9519\u8bef\uff1a\u5bfc\u81f4\u9ad8\u8d1f\u8f7d\u670d\u52a1\u96c6\u4e2d\u5728\u540c\u4e00\u7269\u7406\u8282\u70b9\uff0c\u5f15\u53d1\u8d44\u6e90\u4e89\u62a2\u3002 LimitRange\u7f3a\u5931\uff1a\u672a\u8bbe\u7f6e\u5bb9\u5668\u8d44\u6e90\u914d\u989d\uff08CPU\/Memory Limits\uff09\uff0c\u5f15\u53d1OOM\uff08\u5185\u5b58\u6ea2\u51fa\uff09\u6216CPU\u8282\u6d41\u3002 \u901a\u8fc7kube-scheduler\u7684\u8c03\u8bd5\u65e5\u5fd7\u6216kubectl top node\/pod\u547d\u4ee4\uff0c\u53ef\u9a8c\u8bc1\u8d44\u6e90\u5206\u914d\u662f\u5426\u5408\u7406\u3002\u5efa\u8bae\uff1a\u4f7f\u7528Vertical Pod Autoscaler\uff08VPA\uff09\u52a8\u6001\u8c03\u6574\u8d44\u6e90\u914d\u989d\uff0c\u907f\u514d\u9759\u6001\u914d\u7f6e\u7684\u201c\u8fc7\u5206\u914d\u201d\u6216\u201c\u6b20\u5206\u914d\u201d\u3002 \u4e94\u3001\u7f51\u7edc\u7b56\u7565\uff1a\u5bb9\u5668\u901a\u4fe1\u7684\u201c\u9632\u706b\u5899\u201d \u5bb9\u5668\u95f4\u7684\u7f51\u7edc\u9694\u79bb\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u53d1\u73b0\u5f02\u5e38\u3002\u6392\u67e5\u65f6\u53ef\u5206\u4e09\u6b65\u8d70\uff1a \u9a8c\u8bc1\u57fa\u7840\u8fde\u901a\u6027\uff1a kubectl exec -it &lt;pod-name&gt; &#8212; curl http:\/\/&lt;service-name&gt;:&lt;port&gt; \u68c0\u67e5NetworkPolicy\uff1a\u786e\u8ba4\u662f\u5426\u56e0\u7f51\u7edc\u7b56\u7565\uff08NetworkPolicy\uff09\u9650\u5236\u4e86IP\u6216\u7aef\u53e3\u8bbf\u95ee\u3002 DNS\u89e3\u6790\u8bca\u65ad\uff1a\u8fdb\u5165\u5bb9\u5668\u6267\u884cnslookup\u547d\u4ee4\uff0c\u9a8c\u8bc1CoreDNS\u662f\u5426\u6b63\u5e38\u89e3\u6790\u670d\u52a1\u57df\u540d\u3002 \u6ce8\u610f\uff1a\u8de8\u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u8bbf\u95ee\u9700\u4f7f\u7528\u5168\u9650\u5b9a\u57df\u540d\uff08\u5982backend-service.default.svc.cluster.local\uff09\u3002 \u516d\u3001\u81ea\u52a8\u5316\u5229\u5668\uff1a\u8ba9\u6545\u969c\u81ea\u6108\u6210\u4e3a\u53ef\u80fd \u5bb9\u5668\u7f16\u6392\u5de5\u5177\u7684\u6838\u5fc3\u4ef7\u503c\u4e0d\u4ec5\u5728\u4e8e\u6545\u969c\u5b9a\u4f4d\uff0c\u66f4\u5728\u4e8e\u4e3b\u52a8\u9884\u9632\uff1a \u5065\u5eb7\u68c0\u67e5\uff08Probes\uff09\uff1a\u914d\u7f6eLiveness [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":35537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-35536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/35536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=35536"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/35536\/revisions"}],"predecessor-version":[{"id":35538,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/35536\/revisions\/35538"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/35537"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=35536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=35536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=35536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}