{"id":43455,"date":"2023-11-19T03:58:21","date_gmt":"2023-03-24T23:44:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/promcon-2017%e7%9a%84%e4%bc%9a%e8%ae%ae%e4%bb%8b%e7%bb%8d-prometheus-2-0%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e9%99%88%e6%97%a7%e9%97%ae%e9%a2%98\/"},"modified":"2024-05-04T09:47:19","modified_gmt":"2024-05-04T01:47:19","slug":"promcon-2017%e7%9a%84%e4%bc%9a%e8%ae%ae%e4%bb%8b%e7%bb%8d-prometheus-2-0%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e9%99%88%e6%97%a7%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/promcon-2017%e7%9a%84%e4%bc%9a%e8%ae%ae%e4%bb%8b%e7%bb%8d-prometheus-2-0%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e9%99%88%e6%97%a7%e9%97%ae%e9%a2%98\/","title":{"rendered":"PromCon 2017\u7684\u4f1a\u8bae\u4ecb\u7ecd &#8211; Prometheus 2.0\u4e2d\u7684\u6570\u636e\u9648\u65e7\u95ee\u9898"},"content":{"rendered":"<p>\u867d\u7136\u65f6\u95f4\u5df2\u7ecf\u8fc7\u53bb\u4e86\u4e00\u70b9\uff0c\u4f46\u5728\u516b\u6708\u4efd\uff0c\u4e13\u6ce8\u4e8e Prometheus \u7684\u4f1a\u8bae PromCon 2017 \u5728\u6155\u5c3c\u9ed1\u4e3e\u884c\uff0cZ Lab \u7684\u6211\u548c @tkusumi \u53c2\u52a0\u4e86\u8fd9\u6b21\u4f1a\u8bae\u3002<\/p>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u6253\u7b97\u4ecb\u7ecd\u4e00\u4e0b\u6211\u4ece\u90a3\u91cc\u542c\u5230\u7684\u4f1a\u8bdd\u4e2d\u5173\u4e8e\u6700\u8fd1\u53d1\u5e03\u7684 Prometheus 2.0 \u6539\u8fdb\u7684 Staleness \u5904\u7406\u7684\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n<h2>\u7b80\u800c\u8a00\u4e4b<\/h2>\n<p>\u53d1\u8a00\u4eba\uff1aBrian Brazil\uff08Robust Perception\uff09<br \/>\n\u89c6\u9891\uff1ahttps:\/\/youtu.be\/GcTzd2CLH7I<br \/>\n\u5e7b\u706f\u7247\uff1ahttps:\/\/www.slideshare.net\/brianbrazil\/staleness-and-isolation-in-prometheus-20-promcon-2017<\/p>\n<p>\u7531 Prometheus \u7684\u6838\u5fc3\u5f00\u53d1\u4eba\u5458\u517c Prometheus \u54a8\u8be2\u516c\u53f8 Robust Perception \u7684\u521b\u59cb\u4eba\u5c31 Prometheus 2.0 \u4e2d\u6709\u5173 Staleness \u884c\u4e3a\u7684\u53d8\u5316\u4e3e\u884c\u7684\u4f1a\u8bae\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff1a\u672c\u6587\u4e2d\u6240\u4f7f\u7528\u7684\u6240\u6709\u56fe\u50cf\u90fd\u662f\u5728\u83b7\u5f97\u6f14\u8bb2\u8005\u8bb8\u53ef\u7684\u60c5\u51b5\u4e0b\u4ece\u4e0a\u8ff0\u5e7b\u706f\u7247\u4e2d\u5f15\u7528\u7684\u3002<\/p>\n<h2>Here&#8217;s one possible paraphrase in Chinese:<\/h2>\n<p>\u5177\u4f53\u8868\u8ff0<\/p>\n<p>\u5728Prometheus\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c&#8221;staleness&#8221;\u662f\u6307\u5ffd\u7565\u4e86\u5df2\u7ecf\u5931\u6548\u7684\u65f6\u95f4\u5e8f\u5217\u7684\u673a\u5236\uff0c\u867d\u7136\u5b83\u5728\u76f4\u8bd1\u6210\u65e5\u8bed\u662f&#8221;\u8150\u8d25&#8221;\u7684\u610f\u601d\u3002<\/p>\n<h3>\u5728 Prometheus v1 \u4e2d\u5904\u7406\u201c\u6570\u636e\u9648\u65e7\u6027\u201d<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/9-0.png\" alt=\"2.0.staleness_before_v2.png\" \/><\/div>\n<p>\u5728 Prometheus v1 \u4e2d\uff0c\u8303\u56f4\u5411\u91cf\uff08range vector\uff09\u548c\u5373\u65f6\u5411\u91cf\uff08instant vector\uff09\u7684\u67e5\u8be2\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>\u8303\u56f4\u5411\u91cf: \u5bf9\u4e8e\u7c7b\u4f3c\u4e8emy_counter_total[10m]\u7684\u67e5\u8be2\uff0c\u5c06\u8fd4\u56de\u4ece\u67e5\u8be2\u6267\u884c\u65f6\u95f4\u5f80\u524d10\u5206\u949f\u7684\u6240\u6709\u6570\u636e\u70b9\u3002<\/p>\n<p>\u5373\u65f6\u5411\u91cf\uff1a\u5bf9\u4e8e\u50cf my_counter_total \u8fd9\u6837\u7684\u67e5\u8be2\uff0c\u5c06\u8fd4\u56de\u79bb\u67e5\u8be2\u6267\u884c\u65f6\u95f4\u6700\u8fd1\u7684\u6570\u636e\u70b9\u3002\u4f46\u662f\uff0c\u5982\u679c\u8ddd\u79bb\u5927\u4e8e5m\uff0c\u5219\u4e0d\u8fd4\u56de\u4efb\u4f55\u6570\u636e\u70b9\u3002<\/p>\n<h3>\u5904\u7406\u7406\u60f3\u7684\u9648\u65e7\u7a0b\u5ea6<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/14-0.png\" alt=\"2.1.what_do_we_want.png\" \/><\/div>\n<p>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0cStaleness \u5e94\u8be5\u88ab\u5904\u7406\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u76e3\u8996\u5bfe\u8c61\u304c\u3044\u306a\u304f\u306a\u3063\u305f\u3089, \u305d\u3053\u304b\u3089\u53d6\u5f97\u3057\u3066\u3044\u305f time series \u3092 stale \u3068\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>v1 \u3067\u306f\u4e0a\u8ff0\u3057\u305f\u7406\u7531\u304b\u3089 5m \u304c\u7d4c\u904e\u3059\u308b\u307e\u3067 stale \u3068\u306a\u3089\u306a\u3044<\/p>\n<p>\u76e3\u8996\u5bfe\u8c61\u304c\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u8fd4\u3055\u306a\u304f\u306a\u3063\u305f\u3089, \u305d\u306e time series \u3092 stale \u3068\u3059\u308b<\/p>\n<p>v1 \u3067\u306f\u4e0a\u8ff0\u3057\u305f\u7406\u7531\u304b\u3089 5m \u304c\u7d4c\u904e\u3059\u308b\u307e\u3067 stale \u3068\u306a\u3089\u306a\u3044<\/p>\n<p>\u904e\u53bb\u306e timestamp \u3092\u6301\u3064\u30e1\u30c8\u30ea\u30af\u30b9\u3092 expose \u3057\u305f\u3044<\/p>\n<p>Pushgateway \u306a\u3069\u3067\u5229\u7528\u3059\u308b\u305f\u3081<\/p>\n<p>\u3088\u308a\u9577\u3044 eval\/scrape \u9593\u9694\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u305f\u3044<\/p>\n<p>\u4eca\u56de\u306e\u6539\u5584\u306e\u5bfe\u8c61\u5916<\/p>\n<h3>\u5982\u4f55\u5b9e\u73b0<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/18-0.png\" alt=\"2.2.staleness_implementation.png\" \/><\/div>\n<p>\u6211\u4eec\u8bd5\u56fe\u901a\u8fc7\u5c06\u663e\u793a\u5176\u8fc7\u65f6\u72b6\u6001\u7684\u6807\u8bb0\u6dfb\u52a0\u5230\u6bcf\u4e2a\u6570\u636e\u70b9\u4e2d\u6765\u6539\u5584\u5bf9staleness\u7684\u5904\u7406\u3002<\/p>\n<p>\u5982\u679c\u662f\u5373\u65f6\u5411\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6700\u65b0\u7684\u6570\u636e\u70b9\u6709\u6807\u8bb0\uff0c\u90a3\u4e48\u4f1a\u5ffd\u7565\u8be5\u65f6\u95f4\u5e8f\u5217\u3002<\/p>\n<p>\u5bf9\u4e8erange vector\uff0c\u5c06\u6392\u9664\u5e26\u6709\u6807\u8bb0\u7684\u5bf9\u8c61\u6570\u636e\u70b9\u96c6\u5408\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/22-0.png\" alt=\"2.3.word_bits_expression.png\" \/><\/div>\n<p>\u572864\u4f4d\u6d6e\u70b9\u6570\u4e2d\uff0cNaN\uff08\u975e\u6570\u5b57\uff09\u7684\u5c0f\u6570\u90e8\u5206\u88ab\u89c4\u5b9a\u4e3a\u975e\u96f6\u503c\u3002\u901a\u8fc7\u5c06\u8be5\u5c0f\u6570\u90e8\u5206\u6307\u5b9a\u4e3a\u7279\u5b9a\u503c\uff0c\u53ef\u4ee5\u8868\u793a\u4e3a\u5e26\u6709stale\uff08\u8fc7\u65f6\uff09\u6807\u8bb0\u7684\u503c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/24-0.png\" alt=\"2.4.how_it_worked_out.png\" \/><\/div>\n<p>\u901a\u8fc7\u5f15\u5165\u8fd9\u4e2a\u8bb0\u53f7\u7b14\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u4ee5\u4e0b\u7684\u7ed3\u679c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u76e3\u8996\u5bfe\u8c61\u304c\u3044\u306a\u304f\u306a\u3063\u305f\u3089, \u305d\u3053\u304b\u3089\u53d6\u5f97\u3057\u3066\u3044\u305f time series \u3092 stale \u3068\u3057\u305f\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>\u89e3\u6c7a\u3057\u3066\u3044\u308b<\/p>\n<p>\u76e3\u8996\u5bfe\u8c61\u304c\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u8fd4\u3055\u306a\u304f\u306a\u3063\u305f\u3089, \u305d\u306e time series \u3092 stale \u3068\u3057\u305f\u3044<\/p>\n<p>\u89e3\u6c7a\u3057\u3066\u3044\u308b<\/p>\n<p>\u904e\u53bb\u306e timestamp \u3092\u6301\u3064\u30e1\u30c8\u30ea\u30af\u30b9\u3092 expose \u3057\u305f\u3044 (Pushgateway \u306a\u3069\u3067\u5229\u7528\u3059\u308b\u305f\u3081)<\/p>\n<p>\u89e3\u6c7a\u3057\u306a\u304b\u3063\u305f (\u660e\u793a\u7684\u306a timestamp \u3092\u6301\u3064\u30c7\u30fc\u30bf\u306f staleness \u306e\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u5916)<\/p>\n<p>\u3088\u308a\u9577\u3044 eval\/scrape \u9593\u9694\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u305f\u3044<\/p>\n<p>\u5909\u5316\u306a\u3057<\/p>\n<h3>\u6574\u7406<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d52a637434c4406ccd67b\/28-0.png\" alt=\"2.5.staleness_summary.png\" \/><\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7279\u5225\u306a NaN \u306b\u3088\u308b stale \u30de\u30fc\u30ab\u30fc\u306e\u5c0e\u5165\u306b\u3088\u308a, stale \u306e\u53d6\u308a\u6271\u3044\u304c\u6539\u5584\u3055\u308c\u3066\u3044\u307e\u3059<\/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\">\u30de\u30fc\u30ab\u30fc\u306f\u76e3\u8996\u5bfe\u8c61\u304b\u305d\u306e time series \u304c\u306a\u304f\u306a\u3063\u305f\u3068\u304d\u306b\u633f\u5165\u3055\u308c\u307e\u3059<\/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\">\u660e\u793a\u7684\u306a timestamp \u3068\u3068\u3082\u306b expose \u3055\u308c\u305f\u30e1\u30c8\u30ea\u30af\u30b9\u3067\u306f staleness \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u305b\u3093<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u3057\u3066, 5m \u9593\u306e lookback (v1 \u306e staleness \u306e\u53d6\u308a\u6271\u3044\u65b9) \u306f\u9069\u7528\u3055\u308c\u307e\u3059<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u867d\u7136\u65f6\u95f4\u5df2\u7ecf\u8fc7\u53bb\u4e86\u4e00\u70b9\uff0c\u4f46\u5728\u516b\u6708\u4efd\uff0c\u4e13\u6ce8\u4e8e Prometheus \u7684\u4f1a\u8bae PromCon 2017 \u5728\u6155\u5c3c\u9ed1\u4e3e [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43455","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\/ -->\n<title>PromCon 2017\u7684\u4f1a\u8bae\u4ecb\u7ecd - Prometheus 2.0\u4e2d\u7684\u6570\u636e\u9648\u65e7\u95ee\u9898 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/promcon-2017\u7684\u4f1a\u8bae\u4ecb\u7ecd-prometheus-2-0\u4e2d\u7684\u6570\u636e\u9648\u65e7\u95ee\u9898\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PromCon 2017\u7684\u4f1a\u8bae\u4ecb\u7ecd - Prometheus 2.0\u4e2d\u7684\u6570\u636e\u9648\u65e7\u95ee\u9898\" \/>\n<meta property=\"og:description\" content=\"\u867d\u7136\u65f6\u95f4\u5df2\u7ecf\u8fc7\u53bb\u4e86\u4e00\u70b9\uff0c\u4f46\u5728\u516b\u6708\u4efd\uff0c\u4e13\u6ce8\u4e8e Prometheus \u7684\u4f1a\u8bae PromCon 2017 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