{"id":43446,"date":"2024-01-15T23:39:26","date_gmt":"2023-05-02T05:37:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%a4%84%e7%90%86promql%e4%b9%8b%e5%89%8d%ef%bc%8c%e6%9c%80%e5%a5%bd%e4%ba%86%e8%a7%a3%e4%b8%80%e4%ba%9b%e6%9c%80%e5%9f%ba%e6%9c%ac%e7%9a%84%e7%9f%a5%e8%af%86%e3%80%82\/"},"modified":"2024-05-04T18:34:36","modified_gmt":"2024-05-04T10:34:36","slug":"%e5%9c%a8%e5%a4%84%e7%90%86promql%e4%b9%8b%e5%89%8d%ef%bc%8c%e6%9c%80%e5%a5%bd%e4%ba%86%e8%a7%a3%e4%b8%80%e4%ba%9b%e6%9c%80%e5%9f%ba%e6%9c%ac%e7%9a%84%e7%9f%a5%e8%af%86%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%a4%84%e7%90%86promql%e4%b9%8b%e5%89%8d%ef%bc%8c%e6%9c%80%e5%a5%bd%e4%ba%86%e8%a7%a3%e4%b8%80%e4%ba%9b%e6%9c%80%e5%9f%ba%e6%9c%ac%e7%9a%84%e7%9f%a5%e8%af%86%e3%80%82\/","title":{"rendered":"\u5728\u5904\u7406PromQL\u4e4b\u524d\uff0c\u6700\u597d\u4e86\u89e3\u4e00\u4e9b\u6700\u57fa\u672c\u7684\u77e5\u8bc6"},"content":{"rendered":"<h2>\u76ee\u5f55<\/h2>\n<ul class=\"post-ul\">[\u76ee\u6b21] Prometheus\u3067\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u308b with Docker<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5728\u4f7f\u7528Prometheus\u7f16\u5199PromQL\u4e4b\u524d\uff0c\u5efa\u8bae\u5148\u5bf9\u4ee5\u4e0b\u672f\u8bed\u548c\u77e5\u8bc6\u6709\u6700\u57fa\u672c\u7684\u7406\u89e3\u3002<\/p>\n<h2>\u76f8\u5173\u6587\u7ae0 (Guanlian Wenzhang)<\/h2>\n<p>\u4f7f\u7528Prometheus\u548cNode Exporter\u6765\u76d1\u63a7CPU\u3001\u5185\u5b58\u548c\u78c1\u76d8<\/p>\n<h2>\u5373\u65f6\u5411\u91cf<\/h2>\n<p>\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u3002<\/p>\n<h2>\u8303\u56f4\u5411\u91cf<\/h2>\n<p>\u76ee\u524d\u6536\u96c6\u7684\u6570\u636e\u662f\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684Instant vector\u503c\u3002\u6570\u636e\u53ef\u4ee5\u7528[1m]\u7b49\u8868\u793a\uff0c\u5982\u679c\u4f7f\u7528[5m]\uff0c\u5219\u8868\u793a\u8fc7\u53bb5\u5206\u949f\u7684\u6570\u636e\u3002\u8fd8\u53ef\u4ee5\u6307\u5b9a\u5176\u4ed6\u4ee5\u4e0b\u5355\u4f4d\u7684\u6570\u636e\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ms &#8211; milliseconds<\/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\">s &#8211; seconds<\/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\">m &#8211; minutes<\/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\">h &#8211; hours<\/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\">d &#8211; days &#8211; assuming a day has always 24h<\/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\">w &#8211; weeks &#8211; assuming a week has always 7d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">y &#8211; years &#8211; assuming a year has always 365d<\/ul>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\uff1ahttps:\/\/prometheus.io\/docs\/prometheus\/latest\/querying\/basics\/#range-vector-selectors<\/p>\n<p>\u4ee5\u4e0b\u7684\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528PromQL\u83b7\u53d6\u4ece\u73b0\u5728\u52301\u5206\u949f\u524d\u7684CPU\u4f7f\u7528\u65f6\u95f4\u7684\u7d2f\u8ba1\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">node_cpu_seconds_total<\/span><span class=\"p\">[<\/span><span class=\"mi\">1m<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d524337434c4406ccc54a\/14-0.png\" alt=\"Screen Shot 2021-06-09 at 21.14.33.png\" \/><\/div>\n<p>\u6709\u56db\u4e2a\u6570\u5b57\u663e\u793a\uff0c\u6bcf15\u79d2\u53d6\u4e00\u6b21\u6570\u636e\uff0c\u6240\u4ee5\u4e00\u5206\u949f\u5c31\u6709\u56db\u4e2a\u3002<br \/>\n\u8fd9\u56db\u4e2a\u6570\u636e\u5206\u522b\u8868\u793aCPU\u7684\u7d2f\u8ba1\u4f7f\u7528\u65f6\u95f4@\u6d4b\u91cf\u65f6\u95f4\u3002<\/p>\n<p>\u770b\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>node_cpu_seconds_total{cpu=\"0\", env=\"development\", instance=\"example.com:9100\", job=\"node\", mode=\"idle\"}\r\n\r\n18039154.58 @1623240806.473 =&gt; 6.8642065491192(\u30f6\u6708)@2021\/06\/09 21:13:26\r\n18039169.54 @1623240821.473 =&gt; 6.8642122416548(\u30f6\u6708)@22021\/06\/09 21:13:41\r\n18039184.5 @1623240836.473  =&gt; 6.86421793419(\u30f6\u6708)@22021\/06\/09 21:13:56\r\n18039199.45 @1623240851.473 =&gt; 6.8642236229208(\u30f6\u6708)@22021\/06\/09 21:14:11\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u786e\u8ba4\u6d4b\u91cf\u65e5\u671f\u65f6\u95f4\u662f\u5426\u6b63\u786e\uff0c\u56e0\u4e3a\u57282021\/06\/09 21:15\u5de6\u53f3\u6267\u884c\u4e86\u8be5PromQL\u3002<\/p>\n<p>CPU\u4f7f\u7528\u65f6\u95f4\u7684\u7d2f\u8ba1\uff0c\u6839\u636ePromQL\u7684\u7ed3\u679c\u7ea6\u4e3a6.8\u4e2a\u6708\u3002<\/p>\n<p>\u67e5\u770b\u6b64CentOS\u670d\u52a1\u5668\u4e2d\u542f\u52a8Prometheus\u7684\u65e5\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bShell\u811a\u672c\uff0c\u7ed3\u679c\u4e3a2020\/11\/11\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> <span class=\"nb\">date<\/span> <span class=\"nt\">--date<\/span><span class=\"o\">=<\/span>@<span class=\"si\">$(<\/span><span class=\"nb\">expr<\/span> <span class=\"sb\">`<\/span><span class=\"nb\">date<\/span> +%s<span class=\"sb\">`<\/span> - <span class=\"sb\">`<\/span><span class=\"nb\">cut<\/span> <span class=\"nt\">-d<\/span> <span class=\"s2\">\".\"<\/span> <span class=\"nt\">-f<\/span> 1 \/proc\/uptime<span class=\"sb\">`<\/span><span class=\"si\">)<\/span>\r\n<span class=\"go\">Wed Nov 11 15:46:02 JST 2020\r\n<\/span><\/code><\/pre>\n<p>\u6839\u636e\u4eca\u5929\u662f2021\/06\/09\u8fd9\u4e2a\u65e5\u671f\uff0c\u53ef\u4ee5\u786e\u8ba42020\/11\/11\u5df2\u7ecf\u5927\u7ea6\u662f6.8\u4e2a\u6708\u4e4b\u524d\u4e86\uff0c\u540c\u65f6\u4e5f\u80fd\u9a8c\u8bc1CPU\u4f7f\u7528\u65f6\u95f4\u7684\u7d2f\u8ba1\u662f\u51c6\u786e\u7684\u3002<\/p>\n<h2>\u8bc4\u7ea7\u51fd\u6570<\/h2>\n<p>rate\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u67d0\u4e00\u65f6\u95f4\u6bb5\u5185\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7684\u6bcf\u79d2\u5e73\u5747\u589e\u957f\u7387\u3002<\/p>\n<p>\u53c2\u8003\uff1ahttps:\/\/prometheus.io\/docs\/prometheus\/latest\/querying\/functions\/#rate<\/p>\n<p>\u4ee5\u4e0b\u662f\u7528PromQL\u8ba1\u7b97\u4ece\u5f53\u524d\u65f6\u95f4\u52301\u5206\u949f\u524d\u7684CPU\u4f7f\u7528\u65f6\u95f4\u7684\u7d2f\u79ef\u503c\u6bcf\u79d2\u7684\u5e73\u5747\u589e\u957f\u7387\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">rate<\/span><span class=\"p\">(<\/span><span class=\"n\">node_cpu_seconds_total<\/span><span class=\"p\">[<\/span><span class=\"mi\">1m<\/span><span class=\"p\">])<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d524337434c4406ccc54a\/27-0.png\" alt=\"Screen Shot 2021-06-09 at 21.39.32.png\" \/><\/div>\n<p>\u5728\u5148\u524d\u7684Range vector\u793a\u4f8b\u4e2d\uff0c\u8f93\u51fa\u4e86\u56db\u4e2a\u6570\u636e\uff0c\u4f46\u8fd9\u6b21\u5c06\u5b83\u4eec\u6c47\u603b\u4e3a\u4e00\u4e2a\u5e73\u5747\u589e\u957f\u7387\u3002<\/p>\n<pre class=\"post-pre\"><code>{cpu=\"0\", env=\"development\", instance=\"example.com:9100\", job=\"node\", mode=\"idle\"}\r\n0.997555555568801\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u9664\u4e86rate\u51fd\u6570\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u53eb\u505airate\u7684\u51fd\u6570\u3002\u7136\u800c\uff0cirate\u51fd\u6570\u5e94\u8be5\u53ea\u7528\u4e8e\u89c2\u6d4b\u7a81\u53d1\u7684\u5c16\u5cf0\u7b49\uff0c\u800c\u5728\u8b66\u62a5\u7b49\u573a\u666f\u4e2d\u5e94\u8be5\u4f7f\u7528rate\u51fd\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 [\u76ee\u6b21] Prometheus\u3067\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u308b with Docker \u603b\u7ed3 \u5728\u4f7f\u7528Promethe [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43446","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized 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