{"id":43359,"date":"2023-11-13T03:28:40","date_gmt":"2023-05-14T02:46:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%e6%9f%a5%e8%af%a2%e8%ae%ad%e7%bb%83%e8%90%a5\/"},"modified":"2024-05-04T08:47:13","modified_gmt":"2024-05-04T00:47:13","slug":"%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%e6%9f%a5%e8%af%a2%e8%ae%ad%e7%bb%83%e8%90%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%99%ae%e7%bd%97%e7%b1%b3%e4%bf%ae%e6%96%af%e6%9f%a5%e8%af%a2%e8%ae%ad%e7%bb%83%e8%90%a5\/","title":{"rendered":"\u666e\u7f57\u7c73\u4fee\u65af\u67e5\u8be2\u8bad\u7ec3\u8425"},"content":{"rendered":"<h1>\u9996\u5148\/\u7b2c\u4e00\uff0c<\/h1>\n<p>\u8fd9\u662f\u666e\u7f57\u7c73\u4fee\u65af\u4e07\u5723\u8282\u65e5\u53862017\u5e74\u7b2c16\u5929\u7684\u6587\u7ae0\u3002<\/p>\n<p>\u8bf7\u95ee\u5927\u5bb6\u6709\u7528\u8fc7 Prometheus \u5417\uff1f\u5f88\u597d\u7528\u7684\uff0cPrometheus\u3002<br \/>\n\u6536\u96c6\u6570\u636e\u5e76\u968f\u610f\u67e5\u8be2\uff0c\u5f53\u53d1\u73b0\u53ef\u7591\u884c\u4e3a\u65f6\uff0c\u559c\u60a6\u96be\u4ee5\u8a00\u8868\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/3-0.png\" alt=\"WS000154.png\" \/><\/div>\n<p>\u8fd9\u79cd&#8221;\u4e0d\u77e5\u9053\u662f\u4ec0\u4e48\uff0c\u4f46\u611f\u89c9\u5f88\u5389\u5bb3&#8221;\u7684\u611f\u89c9\uff0c\u53ef\u8bf4\u662f\u9c9c\u8273\u593a\u76ee\uff0c\u72b9\u5982\u73b0\u4ee3\u7684IT\u66fc\u9640\u7f57\u3002<\/p>\n<p>\u7528\u4e8e\u5f15\u7528 Prometheus \u4e2d\u79ef\u7d2f\u7684\u5404\u79cd\u5ea6\u91cf\u6807\u51c6\u7684\u53c2\u8003\u662f\u4f7f\u7528\u4e00\u79cd\u540d\u4e3a PromQL \u7684\u4e13\u6709\u67e5\u8be2\u8bed\u8a00\u8fdb\u884c\u7684\u3002\u867d\u7136\u4e00\u65e6\u719f\u6089\u5c31\u4e0d\u4f1a\u6709\u592a\u591a\u56f0\u6270\uff0c\u4f46\u7531\u4e8e\u9700\u8981\u5728\u65f6\u95f4\u5e8f\u5217\u5ea6\u91cf\u6807\u51c6\u4e2d\u8fdb\u884c\u5168\u65b9\u4f4d\u7684\u63a2\u7d22\uff0c\u6240\u4ee5\u6211\u60f3\u5728\u67e5\u8be2\u9053\u573a\u4ece\u57fa\u7840\u5f00\u59cb\u5b66\u4e60\u3002<\/p>\n<p>\u5982\u679c\u4f60\u4e0d\u77e5\u9053\u300cPrometheus\u300d\u5230\u5e95\u662f\u4ec0\u4e48\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u8fd9\u6837\u95ee\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Prometheus\u5165\u9580\u304b\u3089\u904b\u7528\u307e\u3067\u5fb9\u5e95\u89e3\u8aac<\/ul>\n<\/li>\n<\/ul>\n<p>\u6b21\u4e16\u4ee3\u76e3\u8996\u306e\u5927\u672c\u547d\uff01 Prometheus \u3092\u5b9f\u904b\u7528\u3057\u3066\u307f\u305f ( @sugitak )<\/p>\n<p>\u8bf7\u5148\u9605\u8bfb\u8fd9\u4efd\u51fa\u8272\u7684\u8d44\u6599\u3002<\/p>\n<h2>\u5173\u4e8e\u73af\u5883<\/h2>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u4f7f\u7528\u7684Prometheus\u7248\u672c\u662f2.0\u3002<br \/>\n\u60a8\u53ef\u4ee5\u901a\u8fc7\u67e5\u770bPrometheus\u7684[\u72b6\u6001] -&gt; [\u8fd0\u884c\u65f6\u548c\u6784\u5efa\u4fe1\u606f] -&gt; [\u6784\u5efa\u4fe1\u606f]\u6765\u786e\u8ba4\u5f53\u524d\u8fd0\u884c\u7684\u7248\u672c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/11-0.png\" alt=\"WS000156.png\" \/><\/div>\n<p>\u6587\u7ae0\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u81ea\u5206\u306e\u30de\u30b7\u30f3\u3067prometheus\u3092\u52d5\u304b\u3057\u3066\u307f\u3088\u3046 ( @tjinjin )<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u5c1d\u8bd5\u73af\u5883\u642d\u5efa\uff0c\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\u3002\u53ea\u8981\u80fd\u6210\u529f\u5b89\u88c5Docker\uff0c\u5c31\u4f1a\u611f\u5230\u975e\u5e38\u8f7b\u677e\u3002<br \/>\n\u6211\u81ea\u5df1\u4ee5Rancher\u793e\u533a\u76ee\u5f55\u4e3a\u57fa\u7840\uff0c\u5728\u591a\u53f0\u8bbe\u5907\u4e0a\u642d\u5efa\u4e86Prometheus 2.0\u73af\u5883\u3002<\/p>\n<p>\u7531\u4e8ePrometheus\u4ecd\u5728\u4e0d\u65ad\u53d1\u5c55\u4e2d\uff0c\u56e0\u6b64\u5173\u4e8e\u5b83\u53ef\u4ee5\u5728\u8c37\u6b4c\u4e0a\u627e\u5230\u7684\u6587\u7ae0\u7248\u672c\u76f8\u5f53\u591a\u6837\u5316\u3002<br \/>\n\u6211\u8ba4\u4e3a\u4ecd\u7136\u6709\u5f88\u591a\u4eba\u53ea\u662f\u968f\u610f\u5730\u590d\u5236\u7c98\u8d34\u8fd0\u884c\uff0c\u7136\u540e\u53d1\u73b0\u662f1\u7cfb\u5217\u7684\u7248\u672c\uff0c\u6240\u4ee5\u8bf7\u6ce8\u610f\u7248\u672c\u3002<\/p>\n<p>\u5982\u679c\u60f3\u8981\u4f7f\u7528\u6700\u65b0\u7684Web\u6587\u7ae0\uff0c\u65e0\u8bba\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\u6587\u7ae0\uff0c\u53ef\u4ee5\u53c2\u8003prometheus\/prometheus &#8211; GitHub\u6216prom\/prometheus &#8211; DockerHub\u3002\u622a\u81f3\u52302017\u5e7412\u670816\u65e5\uff0c\u6700\u65b0\u7248\u672c\u662f2.0.0\u3002<\/p>\n<h1>\u4e86\u89e3\u6570\u636e<\/h1>\n<p>\u5728Prometheus\u4e2d\u67e5\u8be2\u610f\u5473\u7740\u6709\u8981\u641c\u7d22\u7684\u6570\u636e\u3002\u5728\u5b66\u4e60\u5177\u4f53\u67e5\u8be2\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u9996\u5148\u5927\u81f4\u4e86\u89e3\u4e00\u4e0bPrometheus\u53ef\u4ee5\u6536\u96c6\u5230\u54ea\u4e9b\u6570\u636e\u3002<\/p>\n<h2>1-1. \u786e\u8ba4\u6570\u636e\u6536\u96c6\u8bbe\u7f6e<\/h2>\n<p>Prometheus\u4f7f\u7528\u4e86Pull\u578b\u67b6\u6784\uff0c\u6240\u4ee5\u5728\u670d\u52a1\u5668\u7aef\u4fdd\u5b58\u4e86\u8981\u6536\u96c6\u7684\u6570\u636e\u7684\u4fe1\u606f\u3002<br \/>\n\u53ef\u4ee5\u901a\u8fc7 [Status] -&gt; [Targets] \u67e5\u770b\u8981\u6536\u96c6\u7684\u6570\u636e\u5217\u8868\uff0c\u8ba9\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/21-0.png\" alt=\"WS000157.png\" \/><\/div>\n<p>\u7531\u4e8eRancher\u793e\u533a\u76ee\u5f55\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u51e0\u4e2a\u51fa\u53e3\u5668\uff0c\u6240\u4ee5\u53ef\u4ee5\u770b\u5230\u76f8\u5f53\u591a\u7684\u76ee\u6807\u3002<br \/>\n\u8fd9\u53d6\u51b3\u4e8e\u5728prometheus.yml\u4e2d\u5b9a\u4e49\u7684scrape_configs\u7684\u914d\u7f6e\u3002<br \/>\n\u8be5\u914d\u7f6e\u53ef\u4ee5\u5728[\u72b6\u6001] -&gt; [\u914d\u7f6e]\u4e2d\u67e5\u770b\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679c\u662f\u5728\u7b2c\u4e8c\u4e2aHostMetrics\u4e2d\u53ef\u89c1\uff0c\u5219<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">scrape_configs<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">job_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">HostsMetrics<\/span>\r\n  <span class=\"na\">scrape_interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">15s<\/span>\r\n  <span class=\"na\">scrape_timeout<\/span><span class=\"pi\">:<\/span> <span class=\"s\">10s<\/span>\r\n  <span class=\"na\">metrics_path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/metrics<\/span>\r\n  <span class=\"na\">scheme<\/span><span class=\"pi\">:<\/span> <span class=\"s\">http<\/span>\r\n  <span class=\"na\">dns_sd_configs<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">names<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">node-exporter<\/span>\r\n    <span class=\"na\">refresh_interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">15s<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">A<\/span>\r\n    <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">9100<\/span>\r\n<\/code><\/pre>\n<p>\u662f\u8fd9\u6837\u5b9a\u4e49\u7684\u3002\u6211\u5e0c\u671b\u4f60\u5728\u8fd9\u91cc\u6ce8\u610f\u7684\u662f dns_sd_configs \u7684\u90e8\u5206\u3002\u901a\u8fc7\u67e5\u770b\u4e0a\u9762\u7684\u56fe\u50cf\uff0c\u53ef\u4ee5\u770b\u51fa HostMetrics \u7684\u76ee\u6807\u5177\u4f53\u67093\u4e2a\uff0c\u4f46\u5728\u8bbe\u7f6e\u4e2d\u4f3c\u4e4e\u5e76\u6ca1\u6709\u770b\u5230\u67093\u4e2a\u3002\u5728\u8fd9\u91cc\u5b9e\u9645\u53d1\u6325\u4f5c\u7528\u7684\u6b63\u662f dns_sd_configs\uff0c\u5c06\u5176\u4f5c\u4e3a node-exporter \u7684\u540d\u79f0\u7528\u4e8e\u6536\u96c6\u76ee\u6807\u3002<\/p>\n<blockquote><p>\u60a8\u53ef\u4ee5\u901a\u8fc7 static_configs \u53c2\u6570\u6765\u9759\u6001\u914d\u7f6e\u76ee\u6807\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u652f\u6301\u7684\u670d\u52a1\u53d1\u73b0\u673a\u5236\u4e4b\u4e00\u6765\u52a8\u6001\u53d1\u73b0\u76ee\u6807\u3002<\/p><\/blockquote>\n<p>\u5982\u679c\u7406\u89e3\u4e86&#8221;sd&#8221;\u4ee3\u8868&#8221;service discovery&#8221;\u7684\u7f29\u7565\u610f\u5473\uff0c\u90a3\u4e48\u5bf9\u4e8e\u5176\u5de5\u4f5c\u8fc7\u7a0b\u7684\u60f3\u8c61\u4f1a\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u9664\u4e86&#8221;dns_sd_config&#8221;\uff0c\u8fd8\u53ef\u4ee5\u67e5\u770b&#8221;CONFIGURATION&#8221;\u9875\u9762\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ec2_sd_config<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">azure_sd_config<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">gce_sd_config<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">openstack_sd_config<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">kubernetes_sd_config<\/ul>\n<p>\u4f3c\u4e4e\u53ef\u4ee5\u53d1\u73b0\u8bb8\u591a\u4e0d\u540c\u7684\u4e8b\u7269\u3002<\/p>\n<h2>1-2. \u6570\u636e\u6837\u672c\u7684\u786e\u8ba4<\/h2>\n<p>\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e9b\u5b9e\u9645\u6536\u96c6\u5230\u7684\u6570\u636e\u5427\u3002<br \/>\n\u4e00\u4e2a\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4ecePrometheus\u7684\u754c\u9762\u968f\u4fbf\u6267\u884c\u4e00\u4e2a\u67e5\u8be2\u8bd5\u8bd5\u770b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/31-0.png\" alt=\"WS000160.png\" \/><\/div>\n<p>\u5f53\u60a8\u5728\u67e5\u8be2\u7a97\u53e3\u4e2d\u8f93\u5165\u6307\u6807\u540d\u79f0\uff08\u90e8\u5206\u540d\u79f0\uff09\u65f6\uff0c\u4f1a\u63d0\u4f9b\u4e0e\u5176\u5339\u914d\u7684\u6307\u6807\u5efa\u8bae\u3002<br \/>\n\u8fd9\u4e9b\u6307\u6807\u5efa\u8bae\u975e\u5e38\u7075\u6d3b\uff0c\u4ece\u56fe\u4f8b\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u63d0\u4f9b\u7684\u5efa\u8bae\u4e0d\u4ec5\u5305\u542b\u4e86\u5305\u542b&#8221;node_memory_free&#8221;\u7684\u6307\u6807\uff0c\u8fd8\u5305\u62ec\u4e86\u5305\u542b\u5b57\u7b26 &#8220;n\/o\/d\/e\/_\/m\/r\/y\/f&#8221;\u7684\u6307\u6807\u3002<\/p>\n<p>\u9009\u62e9\u5019\u9009\u9879\u5e76\u70b9\u51fb\u201c\u6267\u884c\u201d\u6309\u94ae\u540e\uff0c\u60a8\u53ef\u4ee5\u5728\u201c\u63a7\u5236\u53f0\u201d\u9009\u9879\u5361\u4e2d\u786e\u8ba4\u5b9e\u9645\u6570\u636e\uff0c\u5e76\u5728\u201c\u56fe\u8868\u201d\u9009\u9879\u5361\u4e2d\u67e5\u770b\u56fe\u8868\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/34-0.png\" alt=\"WS000162.png\" \/><\/div>\n<p>\u5728Element\u4e2d\uff0cMetrix\u7684\u540d\u79f0\u540e\u9762\u4f1a\u51fa\u73b0\u5404\u79cd\u6807\u7b7e\uff0c\u8fd9\u662f\u67e5\u8be2\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u8981\u70b9\uff0c\u7a0d\u540e\u4f1a\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/36-0.png\" alt=\"WS000163.png\" \/><\/div>\n<p>\u9ed8\u8ba4\u663e\u793a\u662f\u6700\u8fd11\u5c0f\u65f6\u7684\u56fe\u8868\uff0c\u4f46\u60a8\u53ef\u4ee5\u901a\u8fc7[ &#8211; ] [ + ]\u66f4\u6539\u663e\u793a\u65f6\u95f4\u6bb5\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7[\u25c0\u25c0] [\u25b6\u25b6]\u66f4\u6539\u663e\u793a\u8d77\u59cb\u65f6\u95f4\u3002<\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u76f4\u63a5\u8fdb\u5165Prometheus\u5bb9\u5668\uff0c\u53c2\u8003\u6293\u53d6\u76ee\u6807\u7684Endpoint\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5b9e\u65f6\u4e86\u89e3\u6bcf\u4e2aEndpoint\u7684\u5ea6\u91cf\u6570\u636e\u3002\u5f53\u6293\u53d6\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u6211\u4eec\u4e5f\u4f1a\u91c7\u53d6\u8fd9\u79cd\u65b9\u6cd5\u8fdb\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># Prometheus\u30b3\u30f3\u30c6\u30ca\u306eID\u3092\u8abf\u3079\u308b<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>docker ps <span class=\"nt\">-f<\/span> <span class=\"nv\">name<\/span><span class=\"o\">=<\/span>prometheus\r\nCONTAINER ID        IMAGE                        COMMAND                  CREATED             STATUS              PORTS               NAMES\r\nf4965fc87373        prom\/prometheus:v2.0.0       <span class=\"s2\">\"\/.r\/r \/bin\/promet...\"<\/span>   4 hours ago         Up 4 hours                              r-Prometheus-prometheus-1-736c0be3\r\n29e30fcc5a55        infinityworks\/prom-conf:19   <span class=\"s2\">\"\/bin\/sh\"<\/span>                4 hours ago         Up 4 hours                              r-Prometheus-prometheus-prom-conf-1-1e026d96\r\n\r\n<span class=\"c\"># Prometheus\u30b3\u30f3\u30c6\u30ca\u306b\u63a5\u7d9a(bash\u304c\u306a\u3044\u306e\u3067sh\u306b\u3064\u306a\u3050)<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>docker <span class=\"nb\">exec<\/span> <span class=\"nt\">-it<\/span> f4965fc87373 \/bin\/sh\r\n\r\n<span class=\"c\"># Prometheus\u30e1\u30c8\u30ea\u30af\u30b9\u306eEndpoint\u3092\u53c2\u7167(curl\u304c\u306a\u3044\u306e\u3067wget\u3092\u4f7f\u3063\u3066\u6a19\u6e96\u51fa\u529b\u306b\u51fa\u3057\u3066\u3044\u308b)<\/span>\r\n<span class=\"nv\">$ <\/span>wget http:\/\/127.0.0.1:9090\/metrics <span class=\"nt\">-qO<\/span> -\r\nConnecting to 127.0.0.1:9090 <span class=\"o\">(<\/span>127.0.0.1:9090<span class=\"o\">)<\/span>\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0\"<\/span><span class=\"o\">}<\/span> 2.046e-05\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.25\"<\/span><span class=\"o\">}<\/span> 8.5385e-05\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.5\"<\/span><span class=\"o\">}<\/span> 0.000147534\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"0.75\"<\/span><span class=\"o\">}<\/span> 0.000350681\r\ngo_gc_duration_seconds<span class=\"o\">{<\/span><span class=\"nv\">quantile<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"1\"<\/span><span class=\"o\">}<\/span> 0.010048808\r\ngo_gc_duration_seconds_sum 0.087973045\r\ngo_gc_duration_seconds_count 173\r\n\r\n<span class=\"o\">(<\/span>\u7565<span class=\"o\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u6211\u8ba4\u4e3a\u53ef\u4ee5\u5927\u81f4\u4e86\u89e3\u5230\u6b63\u5728\u6536\u96c6\u4ec0\u4e48\u6837\u7684\u6570\u636e\u3002<\/p>\n<h2>1-3. \u5bf9\u6570\u636e\u7ed3\u6784\u7684\u7406\u89e3<\/h2>\n<p>\u6211\u60f3\u4f60\u525b\u624d\u5df2\u7d93\u7c21\u55ae\u6aa2\u67e5\u4e86\u6578\u64da\uff0c\u4f46\u73fe\u5728\u8b93\u6211\u5011\u518d\u6b21\u770b\u770b\u6578\u64da\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/43-0.png\" alt=\"WS000162.png\" \/><\/div>\n<p>\u5728\u8fd9\u91cc\u6709\u4e09\u4e2a\u6570\u636e\uff08\u5143\u7d20\uff09\u51fa\u73b0\uff0c\u5b83\u4eec\u7684\u533a\u522b\u4f53\u73b0\u5728 node_memory_MemFree \u540e\u9762\u7684 { } \u4e2d\u3002<br \/>\n\u8fd9\u4e9b\u88ab\u5305\u542b\u5728\u5176\u4e2d\u7684\u9879\u76ee\u79f0\u4e3a\u6807\u7b7e\uff0c\u5e76\u4e14\u53ef\u4ee5\u770b\u51fa\u8fd9\u4e9b\u6570\u636e\u6709 instance \u6807\u7b7e\u548c job \u6807\u7b7e\u3002<\/p>\n<p>\u6309\u7167\u65f6\u95f4\u987a\u5e8f\u6392\u5217\uff0cPrometheus\u5904\u7406\u6240\u8c13\u65f6\u5e8f\u6570\u636e\u3002\u6839\u636e\u6570\u636e\u6a21\u578b\u7684\u63d0\u53ca\uff0c\u6bcf\u4e2a\u6570\u636e\u90fd\u5177\u6709\u516c\u5171\u7684\u6807\u8bb0\uff08labels\uff09\uff0c\u53ef\u4ee5\u7528\u4e8e\u67e5\u8be2\u548c\u8fc7\u6ee4\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">timestamp<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">metric name<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">label<\/ul>\n<p>\u5c06\u8fdb\u884c\u8bc6\u522b\u3002<\/p>\n<p>\u5728\u56fe\u8868\u4e2d\u53ea\u663e\u793a\u4e86\u4e09\u4e2a\u6570\u636e\u70b9\uff0c\u4f46\u8fd9\u53ea\u662f\u663e\u793a\u4e86\u6700\u8fd1\u7684\u6570\u636e\uff0c\u5b9e\u9645\u4e0a\uff0c\u5373\u4f7f\u662f\u76f8\u540c\u7684\u6307\u6807\u548c\u6807\u7b7e\uff0c\u6570\u636e\u4e5f\u662f\u5982\u4e0b\u6240\u793a\u7684\u53e0\u52a0\u3002<\/p>\n<div>\n<div class=\"post-table\">timestampmetric namelabelvalue2017-12-16 11:23:09.456811+09node_memory_MemFreeinstance=&#8221;10.42.216.232:9100&#8243;,job=&#8221;HostsMetrics&#8221;10076078082017-12-16 11:23:24.396112+09node_memory_MemFreeinstance=&#8221;10.42.216.232:9100&#8243;,job=&#8221;HostsMetrics&#8221;10072473602017-12-16 11:23:39.833171+09node_memory_MemFreeinstance=&#8221;10.42.216.232:9100&#8243;,job=&#8221;HostsMetrics&#8221;1007255552&#8230;node_memory_MemFreeinstance=&#8221;10.42.216.232:9100&#8243;,job=&#8221;HostsMetrics&#8221;&#8230;<\/div>\n<\/div>\n<p>\u56e0\u6b64\uff0c\u786e\u5b9a\u5ea6\u91cf\u6807\u51c6\u5e76\u5f62\u8c61\u5316\u6570\u636e\u65f6<\/p>\n<p>\u7e26 \u306e\u5e83\u304c\u308a: \u540c\u3058\u30e1\u30c8\u30ea\u30af\u30b9\/\u540c\u3058\u6642\u9593\u3060\u304c \u30e9\u30d9\u30eb\u306e\u9055\u3046\u3082\u306e<\/p>\n<p>\u6a2a \u306e\u5e83\u304c\u308a: \u540c\u3058\u30e1\u30c8\u30ea\u30af\u30b9\/\u540c\u3058\u30e9\u30d9\u30eb\u3060\u304c \u6642\u9593\u306e\u9055\u3046\u3082\u306e<\/p>\n<p>&#8220;\u5bf9\u4e8e\u8fd9\u79cd\u611f\u89c9\u7684\u91cd\u8981\u6027\u65e5\u76ca\u51f8\u663e\u3002&#8221;<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/53-0.png\" alt=\"WS000164.png\" \/><\/div>\n<h1>\u4e86\u89e3\u67e5\u8be2<\/h1>\n<p>\u90a3\u4e48\u73b0\u5728\u8ba9\u6211\u4eec\u5b9e\u9645\u4e0a\u6765\u5199\u4e00\u4e2a\u67e5\u8be2\u5427\u3002<\/p>\n<h2>\u67e5\u8be2\u6570\u636e<\/h2>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\uff0c\u8fd9\u662f\u5f88\u81ea\u7136\u7684\u3002\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4ee5\u4e0b\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code># \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u3069\u308c\u304b1\u3064\u6307\u5b9a\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"}\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u6570\u636e\u88ab\u7b5b\u9009\u51fa\u6765\uff0c\u53ea\u663e\u793a\u5177\u6709\u6307\u5b9a\u6807\u7b7e\u7684\u6570\u636e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/60-0.png\" alt=\"WS000165.png\" \/><\/div>\n<p>\u5982\u679c\u5728\u67e5\u8be2\u4e2d\u5c06\u6807\u7b7e\u6761\u4ef6\u653e\u5728{ }\u4e2d\uff0c\u53ea\u6709\u5177\u6709\u8be5\u6807\u7b7e\u7684\u6570\u636e\u4f1a\u88ab\u8fd4\u56de\u3002\u6807\u7b7e\u6761\u4ef6\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5e76\u5c06=~\u4f5c\u4e3a\u6bd4\u8f83\u8fd0\u7b97\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code># =~ \u3067\u6bd4\u8f03\u3059\u308b\u3068\u6b63\u898f\u8868\u73fe\u306e\u6307\u5b9a\u306b\u306a\u308b\r\nnode_memory_MemFree{instance=~\"^10.42.*:9100\"}\r\n<\/code><\/pre>\n<p>\u5728SQL\u4e2d\uff0c\u53ef\u4ee5\u628aWHERE\u5b50\u53e5\u5199\u5728{}\u4e4b\u4e2d\uff0c\u5c31\u50cf\u8fd9\u6837\u3002<\/p>\n<p>\u6b64\u5916\uff0cPrometheus\u7684\u5b9e\u73b0\u662f\u4f7f\u7528Go\u8bed\u8a00\uff0c\u56e0\u6b64\u5728PromQL\u4e2d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u8f6c\u4e49\u5904\u7406\u9075\u5faaGo\u8bed\u8a00\u7684\u89c4\u8303\uff08\u6b63\u5219\u8868\u8fbe\u5f0f\/\u5b57\u7b26\u4e32\uff09\u3002<br \/>\n\u5982\u679c\u5bf9\u8f6c\u4e49\u611f\u5230\u56f0\u60d1\uff0c\u8bf7\u9605\u8bfbGo\u8bed\u8a00\u76f8\u5173\u7684\u6587\u6863\u3002<\/p>\n<h2>2-2. \u8fdb\u884c\u6570\u636e\u8ba1\u7b97<\/h2>\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u8fdb\u884c\u6570\u636e\u8ba1\u7b97\u8bd5\u8bd5\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code># \u52a0\u6e1b\u4e57\u9664(+-*\/)\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} + 1000\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} - 1000\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} * 1000\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} \/ 1000\r\n\r\n# \u5270\u4f59\u8a08\u7b97(%)\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} % 1000\r\n\r\n# \u3079\u304d\u4e57\u8a08\u7b97\r\nnode_memory_MemFree{instance=\"10.42.216.232:9100\"} ^ 2\r\n<\/code><\/pre>\n<p>\u6839\u636e\u6570\u636e\u6765\u770b\uff0c\u6709\u65f6\u53ef\u80fd\u5f88\u96be\u76f4\u89c2\u5730\u7406\u89e3\u5176\u89c4\u6a21\u611f\uff0c\u6240\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7ecf\u5e38\u4f1a\u901a\u8fc7\u5c06\u5176\u4e58\u4ee51000\u500d\u6216\u9664\u4ee51\/1000\u6765\u5bf9\u9f50\u4f4d\u6570\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u4e4b\u95f4\u7684\u8ba1\u7b97\u3002<\/p>\n<pre class=\"post-pre\"><code># Total\u304b\u3089Free\u3092\u5f15\u304f\u3068\u4f7f\u7528\u4e2d\u304c\u51fa\u308b\r\nnode_memory_MemTotal - node_memory_MemFree\r\n\r\n# \u3055\u3089\u306bTotal\u3067\u5272\u308b\u3068\u4f7f\u7528\u7387\u304c\u51fa\u308b\r\n( node_memory_MemTotal - node_memory_MemFree ) \/ node_memory_MemTotal\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6709\u7c7b\u4f3c&#8221;node_memory_MemUsed&#8221;\u8fd9\u6837\u7684\u4e1c\u897f\uff0c\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u8fd9\u6837\u505a\u4e86\u3002\u5373\u4f7f\u6ca1\u6709\u8fd9\u6837\u7684\u4e1c\u897f\uff0cPrometheus\u4e5f\u5f88\u597d\u7684\u4e00\u70b9\u662f\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u4e4b\u95f4\u7684\u8ba1\u7b97\u6765\u8f7b\u677e\u8865\u5145\u3002<\/p>\n<h2>2-3. \u8fdb\u884c\u6570\u636e\u6c47\u603b<\/h2>\n<p>\u4f7f\u7528\u51fd\u6570\u53ef\u4ee5\u5bf9\u5217\u51fa\u7684\u6570\u636e\u8fdb\u884c\u6c47\u603b\u3002<\/p>\n<pre class=\"post-pre\"><code># \u6700\u5927\/\u6700\u5c0f\r\nmax(node_memory_MemFree)\r\nmin(node_memory_MemFree)\r\n\r\n# \u5408\u8a08\/\u5e73\u5747\r\nsum(node_memory_MemFree)\r\navg(node_memory_MemFree)\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6ca1\u6709\u7279\u5b9a\u7684\u6807\u7b7e\u9650\u5236\u67e5\u8be2\u65f6\uff0c\u4f1a\u51fa\u73b0\u4e09\u6761\u6570\u636e\uff0c\u4e0a\u8ff0\u67e5\u8be2\u5bf9\u5b83\u4eec\u5206\u522b\u63d0\u4f9b\u4e86&#8221;\u6700\u5927\u503c&#8221;\u3001&#8221;\u6700\u5c0f\u503c&#8221;\u3001&#8221;\u603b\u548c&#8221;\u548c&#8221;\u5e73\u5747\u503c&#8221;\u3002<\/p>\n<p>\u7531\u4e8e\u5148\u524d\u7684 node_memory_MemFree \u6570\u636e\u6ca1\u6709\u4ef7\u503c\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528 node_filesystem_files_free \u6570\u636e\u4ece\u8fd9\u91cc\u5f00\u59cb\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/77-0.png\" alt=\"WS000166.png\" \/><\/div>\n<p>\u6700\u8fd1\u51fa\u73b0\u4e86\u4e00\u4e9b\u53d8\u5316\u3002\u6839\u636e\u6587\u4ef6\u7cfb\u7edf\u7684\u4e0d\u540c\u4f7f\u7528\u4e86fstype\uff0c\u5728\u6302\u8f7d\u70b9mountpoint\u4e0a\u663e\u793a\u4e86\u6570\u636e\u3002\u8ba9\u6211\u4eec\u5c1d\u8bd5\u6309\u6302\u8f7d\u70b9\u6765\u6c47\u603b\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code># mountpoint\u30e9\u30d9\u30eb\u3054\u3068\u306bmax\u306e\u5024\u3092\u96c6\u8a08\r\nmax(node_filesystem_files) by (mountpoint)\r\n<\/code><\/pre>\n<p>\u770b\u8d77\u6765\u7ed3\u679c\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/81-0.png\" alt=\"WS000168.png\" \/><\/div>\n<p>\u7531\u4e8e\u539f\u59cb\u6570\u636e\u4e2d\u6df7\u5408\u4e86 fstype=&#8221;ext4&#8243; \u548c fstype=&#8221;overlay&#8221;\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5c06\u5b83\u4eec\u5206\u5f00\u663e\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code># mountpoint\u3068fstype\u30e9\u30d9\u30eb\u3054\u3068\u306bmax\u306e\u5024\u3092\u96c6\u8a08\r\nmax(node_filesystem_files) by (mountpoint, fstype)\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\u662f\u8fd9\u6837\u7684\u3002\u8003\u8651\u5230 fstype \u7684\u7edf\u8ba1\u7ed3\u679c\u589e\u52a0\u4e86\u4e00\u4e2a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/85-0.png\" alt=\"WS000169.png\" \/><\/div>\n<p>\u5728\u4e2d\u56fd\uff0c\u53ef\u4ee5\u81ea\u7531\u5730\u901a\u8fc7\uff08\u6807\u7b7e\u540d\u79f0\uff09\u6765\u66f4\u6539\u6c47\u603b\u7684\u8303\u56f4\u3002<\/p>\n<h1>\u8bd5\u7528\u65b9\u4fbf\u7684\u51fd\u6570<\/h1>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5728\u8fd9\u91cc<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e1\u30c8\u30ea\u30af\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e9\u30d9\u30eb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u53c2\u7167<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8a08\u7b97<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u96c6\u8a08<\/ul>\n<p>\u6211\u8ba4\u4e3a\u4f60\u5df2\u7ecf\u7406\u89e3\u4e86\u8fd9\u79cd\u601d\u7ef4\u65b9\u5f0f\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u6765\u8fdb\u884c\u67e5\u8be2\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u8ba4\u4e3a\u4f60\u5df2\u7ecf\u80fd\u591f\u8fdb\u884c\u5927\u90e8\u5206\u6570\u636e\u63a2\u7d22\u5e76\u57fa\u4e8e\u6b64\u8fdb\u884c\u56fe\u5f62\u521b\u5efa\u3002\u4f46\u662f\u56e0\u4e3aPrometheus\u4e2d\u6709\u8bb8\u591a\u6709\u7528\u7684\u51fd\u6570\uff0c\u6240\u4ee5\u6211\u60f3\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u4e9b\u3002<\/p>\n<h2>3-0. \u533a\u95f4\u5411\u91cf\u548c\u77ac\u65f6\u5411\u91cf<\/h2>\n<p>\u6211\u4ee5\u5f8c\u518d\u89e3\u91cb\u9019\u500b\u554f\u984c\uff0c\u4f46\u6839\u64da\u8868\u9054\u8a9e\u8a00\u8cc7\u6599\u985e\u578b\uff0cPrometheus\u7684\u6578\u64da\u6709\u4ee5\u4e0b4\u7a2e\u985e\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Instant vector<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Range vector<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Scalar<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">String (\u305f\u3060\u30572.0\u6642\u70b9\u3067\u306f\u672a\u4f7f\u7528)<\/ul>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\u7684\u67e5\u8be2\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Instant vector\u548cScalar\uff0cInstant vector\u7528\u4e8e\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u5e76\u7528\u4e8e\u4e2d\u95f4\u8ba1\u7b97\u3002<\/p>\n<pre class=\"post-pre\"><code># Instant vector\u306bScalar\u3092\u8db3\u3059\r\nnode_memory_MemFree + 100\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u7684\u67e5\u8be2\u662f\u9488\u5bf9\u79f0\u4e3a\u201cRange vector\u201d\u7684\u7c7b\u578b\uff0c\u56e0\u4e3a\u8fd9\u4e00\u70b9\u4e4b\u524d\u6ca1\u6709\u89e3\u91ca\u6e05\u695a\uff0c\u4f46\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4e00\u4e0b\u4ee5\u66f4\u5feb\u5730\u7406\u89e3\u3002<\/p>\n<pre class=\"post-pre\"><code># \u76f4\u8fd11\u5206\u9593\u306e\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\r\nnode_memory_MemFree[1m]\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d521137434c4406ccbbff\/98-0.png\" alt=\"WS000170.png\" \/><\/div>\n<p>\u6bcf\u4e2a\u5143\u7d20\u90fd\u67094\u4e2a\u6570\u636e\u3002<br \/>\n\u5c3d\u7ba1\u67e5\u8be2\u6307\u5b9a\u4e861\u5206\u949f\uff0c\u4f46\u662f\u83b7\u5f97\u7684\u6570\u636e\u4f3c\u4e4e\u67094\u4e2a\u3002<br \/>\n\u8fd9\u662f\u56e0\u4e3a node_memory_MemFree \u6307\u6807\u7684\u6293\u53d6\u95f4\u9694\u4e3a15\u79d2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">scrape_configs<\/span><span class=\"pi\">:<\/span>\r\n<span class=\"pi\">-<\/span> <span class=\"na\">job_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">HostsMetrics<\/span>\r\n  <span class=\"na\">scrape_interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">15s \u2605\u3053\u3053<\/span>\r\n  <span class=\"na\">scrape_timeout<\/span><span class=\"pi\">:<\/span> <span class=\"s\">10s<\/span>\r\n  <span class=\"na\">metrics_path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/metrics<\/span>\r\n  <span class=\"na\">scheme<\/span><span class=\"pi\">:<\/span> <span class=\"s\">http<\/span>\r\n  <span class=\"na\">dns_sd_configs<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">names<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">node-exporter<\/span>\r\n    <span class=\"na\">refresh_interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">15s<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">A<\/span>\r\n    <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">9100<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\u83b7\u53d6\u4e00\u7cfb\u5217\u6570\u636e\u7684\u6570\u636e\u7c7b\u578b\u88ab\u79f0\u4e3aRange vector\u3002\u7531\u4e8e\u8bb8\u591a\u51fd\u6570\u7684\u53c2\u6570\u662fRange vector\uff0c\u56e0\u6b64\u6211\u4eec\u5148\u89e3\u91ca\u4e86\u8fd9\u4e2a\u6982\u5ff5\u3002<\/p>\n<h2>3-1. \u4e09\u89d2\u51fd\u6570<\/h2>\n<p>\u73b0\u5728\u6211\u6765\u89e3\u91ca\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528Range vector\u51fd\u6570\u3002<\/p>\n<ul class=\"post-ul\">delta(Range vector)<\/ul>\n<p>\u5728Delta\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u53d6\u7ed9\u5b9a\u7684Range\u5411\u91cf\u6570\u636e\u7684\u5dee\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code># \u76f4\u8fd11\u6642\u9593\u3067\u306e\u7a7a\u304d\u30e1\u30e2\u30ea\u91cf\u306e\u5dee\r\ndelta(node_memory_MemFree[1h])\r\n<\/code><\/pre>\n<p>\u5728Range vector\u4e2d\uff0c\u5b83\u5305\u542b\u4e86\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u5927\u91cf\u6570\u636e\uff0c\u800cdelta\u51fd\u6570\u8ba1\u7b97\u7684\u662f\u8be5\u65f6\u95f4\u6bb5\u5185\u7684\u7b2c\u4e00\u4e2a\u503c\u4e0e\u6700\u540e\u4e00\u4e2a\u503c\u4e4b\u95f4\u7684\u5dee\u503c\u3002<br \/>\n\u56e0\u6b64\uff0c\u5728\u4e0a\u8ff0\u67e5\u8be2\u4e2d\uff0c\u6211\u4eec\u662f\u901a\u8fc7\u5f53\u524d\u503c\u51cf\u53bb1\u5c0f\u65f6\u4e4b\u524d\u7684\u503c\u6765\u8ba1\u7b97\u5dee\u503c\u3002<br \/>\n\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u662f\u8d1f\u6570\u7684\u8bdd\uff0c\u53ef\u4ee5\u63a8\u65ad\u51fa&#8221;\u6700\u8fd11\u5c0f\u65f6\u5185\u53ef\u7528\u5185\u5b58\u51cf\u5c11\u4e86&#8221;\u3002<\/p>\n<h2>3-2. \u6bd4\u7387\u51fd\u6570<\/h2>\n<ul class=\"post-ul\">rate(Range vector)<\/ul>\n<p>rate\u51fd\u6570\u662f\u9488\u5bf9\u76f8\u540c\u7684Range\u503c\uff0c\u8fd4\u56de\u5f53\u524d\u503c\u76f8\u5bf9\u4e8e\u671f\u95f4\u5185\u5e73\u5747\u503c\u7684\u6bd4\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code># idle\u72b6\u614b\u306eCPU\u304c\u76f4\u8fd15\u5206\u5e73\u5747\u306b\u6bd4\u3079\u3066\u3069\u308c\u304f\u3089\u3044\u5897\u3048\u3066\u3044\u308b\u304b\r\nrate(node_cpu{mode=\"idle\"}[5m])\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3a\u5178\u578b\u793a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u5728\u5b98\u65b9\u793a\u4f8b\u67e5\u8be2\u4e2d\u627e\u5230\u4e00\u4e2a\u4f7f\u7528HTTP\u8bf7\u6c42\u8ba1\u6570\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code># 5\u5206\u5e73\u5747\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u304b\u3089\u3069\u308c\u304f\u3089\u3044\u5897\u3048\u3066\u3044\u308b\u304b\r\nrate(http_requests_total{job=\"api-server\"}[5m])\r\n<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u89c2\u5bdf\u8fd9\u4e2a\u6570\u503c\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u6bcf\u79d2\u8bf7\u6c42\u6570\u7684\u589e\u52a0\u6216\u51cf\u5c11\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u7c7b\u4f3c\u7684\u51fd\u6570\u4e2d\u8fd8\u6709\u4e00\u4e2a\u79f0\u4e3a irate \u7684\u51fd\u6570\uff0c\u4f46\u5b83\u662f\u5c06\u6700\u540e\u4e24\u4e2a\u65f6\u95f4\u70b9\u7684\u5e73\u5747\u503c\u4e0e\u5f53\u524d\u503c\u8fdb\u884c\u6bd4\u8f83\u3002<br \/>\n\u5728\u5e73\u7a33\u7684\u60c5\u51b5\u4e0b\uff0crate \u548c irate \u7684\u8fd0\u52a8\u65b9\u5f0f\u662f\u76f8\u540c\u7684\uff0c\u4f46\u662f\u5f53\u5b58\u5728\u975e\u5e38\u77ac\u95f4\u7684\u5c16\u5cf0\u65f6\uff0crate \u53ef\u80fd\u65e0\u6cd5\u505a\u51fa\u53cd\u5e94\uff0c\u56e0\u6b64 irate \u4f3c\u4e4e\u9009\u62e9\u6700\u540e\u4e24\u4e2a\u70b9\u4f5c\u4e3a\u6bd4\u8f83\u5bf9\u8c61\u3002<\/p>\n<blockquote><p>\u6124\u6012\u53ea\u5e94\u5728\u7ed8\u5236\u6ce2\u52a8\u5267\u70c8\u3001\u8fc5\u901f\u53d8\u52a8\u7684\u8ba1\u6570\u5668\u65f6\u4f7f\u7528\u3002\u5bf9\u4e8e\u8b66\u62a5\u548c\u7f13\u6162\u79fb\u52a8\u7684\u8ba1\u6570\u5668\uff0c\u8bf7\u4f7f\u7528\u901f\u7387\uff0c\u56e0\u4e3a\u901f\u7387\u7684\u5fae\u5c0f\u53d8\u5316\u53ef\u4ee5\u91cd\u65b0\u8bbe\u7f6eFOR\u5b50\u53e5\uff0c\u800c\u4ec5\u7531\u7f55\u89c1\u7684\u5c16\u5cf0\u7ec4\u6210\u7684\u56fe\u8868\u5f88\u96be\u9605\u8bfb\u3002<\/p><\/blockquote>\n<h2>3-3. \u53d8\u5316\u51fd\u6570<\/h2>\n<ul class=\"post-ul\">changes(Range vector)<\/ul>\n<p>changes\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u7ed9\u5b9a\u7684Range\u5411\u91cf\u4e2d\u53d1\u751f\u4e86\u591a\u5c11\u6b21\u503c\u7684\u53d8\u5316\u3002<br \/>\n\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5b83\u4f1a\u88ab\u7528\u4e8e\u8ba1\u7b97\u72b6\u6001\u66f4\u6539\u53d1\u751f\u4e86\u591a\u5c11\u6b21\u7684\u6848\u4f8b\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code># health\u30b9\u30c6\u30fc\u30bf\u30b9\u304c1\u6642\u9593\u3067\u4f55\u56de\u5909\u5316\u3057\u305f\u304b\r\nchanges(rancher_service_health_status{health_state=\"healthy\"}[1h])\r\n<\/code><\/pre>\n<h2>3-4. \u5176\u4ed6\u9009\u9879<\/h2>\n<p>\u4e0b\u9762\u63d0\u4f9b\u4e86\u4e2d\u56fd\u4eba\u7684\u7ffb\u8bd1\u7248\u672c\uff1a<br \/>\n\u8fd9\u53ea\u662f\u4e00\u4e2a\u50cf\u5c0f\u73a9\u7b11\u4e00\u6837\u7684\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u5fae\u8c03\u7ed3\u679c\u6216\u8005\u5728\u4ea4\u4e92\u5f0f\u7814\u7a76\u4e2d\u63d0\u4f9b\u5e2e\u52a9\u7684\u611f\u89c9\u3002<\/p>\n<p>ceil(Instant vector)<\/p>\n<p>\u4e0e\u3048\u3089\u308c\u305fInstant vector\u306e\u5207\u308a\u4e0a\u3052\u3092\u884c\u3046\u95a2\u6570\u3002 floor \u304c\u5207\u308a\u4e0b\u3052\u3002\u56db\u6368\u4e94\u5165\u306a\u3089 round \u3002<\/p>\n<p>abs(Instant vector)<\/p>\n<p>\u4e0e\u3048\u3089\u308c\u305fInstant vector\u306e\u7d76\u5bfe\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3002<\/p>\n<p>sort(Instant vector)<\/p>\n<p>\u7d50\u679c\u3092\u6607\u9806\u3067\u30bd\u30fc\u30c8\u3059\u308b\u3002\u964d\u9806\u30bd\u30fc\u30c8\u306f sort_desc \u3002<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u4f60\u5bf9\u6574\u4f53\u6570\u636e\u7684\u7406\u89e3\u548c\u57fa\u672c\u67e5\u8be2\u7684\u5199\u6cd5\u90fd\u660e\u767d\u4e86\u5417\uff1f<\/p>\n<p>\u666e\u7f57\u7c73\u4fee\u65af\u8fd8\u6709\u5176\u4ed6\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u8fdb\u884c\u5bf9\u6570\u8ba1\u7b97\u7684log2\u51fd\u6570\uff0c\u5229\u7528\u7ebf\u6027\u56de\u5f52\u8fdb\u884c\u7ebf\u6027\u9884\u6d4b\u7684predict_linear\u51fd\u6570\uff0c\u4ee5\u53ca\u8fdb\u884c\u5fae\u5206\u7684deriv\u51fd\u6570\u7b49\u7b49\u3002<br \/>\n\u8fd9\u4e2a\u67e5\u8be2\u672c\u8eab\u8fd8\u6709\u5f88\u591a\u6df1\u5965\u7684\u4e1c\u897f\uff0c\u5305\u62ec\u5982\u4f55\u5229\u7528\u5b83\u4eec\u6765\u76d1\u63a7\u7cfb\u7edf\uff0c\u4f3c\u4e4e\u8fd8\u6709\u5f88\u5927\u7684\u6df1\u5165\u7a7a\u95f4\u3002<\/p>\n<p>\u975e\u5e38\u6709\u610f\u4e49\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30a8\u30ea\u3092\u4f7f\u3063\u3066\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u53c2\u8003: prometheus\u3068grafana\u3092\u5165\u308c\u305f\u307f\u305f\u304c\u3001\u3069\u3046\u30b0\u30e9\u30d5\u3068\u304b\u51fa\u3059\u3068\u3044\u3044\u306e\u304b?<\/p>\n<p>\u53ce\u96c6\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b<\/p>\n<p>Prometheus &#8211; exporters<br \/>\n\u53c2\u8003: prometheus\u306eexporter\u7d39\u4ecb\u30b7\u30ea\u30fc\u30ba1\u301cblackbox_exporter<\/p>\n<p>\u6309\u6b64\u65b9\u5f0f\uff0c\u6211\u4eec\u5c06\u9700\u8981\u9762\u5bf9\u76d1\u89c6\u95ee\u9898\u3002<\/p>\n<p>\u7ed3\u675f\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\/\u7b2c\u4e00\uff0c \u8fd9\u662f\u666e\u7f57\u7c73\u4fee\u65af\u4e07\u5723\u8282\u65e5\u53862017\u5e74\u7b2c16\u5929\u7684\u6587\u7ae0\u3002 \u8bf7\u95ee\u5927\u5bb6\u6709\u7528\u8fc7 Prometheus \u5417\uff1f\u5f88 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43359","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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