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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">Prometheus Is Out Of Memory. Again. | foomo project docs</title><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/prometheus-cardinality-issues"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="default"><meta data-react-helmet="true" property="og:title" content="Prometheus Is Out Of Memory. Again. | foomo project docs"><meta data-react-helmet="true" name="description" content="The Annoyance"><meta data-react-helmet="true" property="og:description" content="The Annoyance"><meta data-react-helmet="true" property="og:type" content="article"><meta data-react-helmet="true" property="article:published_time" content="2022-01-25T00:00:00.000Z"><meta data-react-helmet="true" property="article:author" content="https://github.com/smartinov"><meta data-react-helmet="true" property="article:tag" content="prometheus,cardinality,devops,ops,k8s,oom,memory"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/prometheus-cardinality-issues"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/prometheus-cardinality-issues" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/prometheus-cardinality-issues" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
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||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
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We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg blogPostDetailsFull_xD8n"><div class="col"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col margin-top--sm"><a href="https://github.com/foomo/foomo-docs/tree/main/foomo/blog/2022-01-25-prometheus-cardinality-issues/index.mdx" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Blog post page navigation"><div class="pagination-nav__item"></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/blog/searching-for-search-engines"><div class="pagination-nav__sublabel">Older Post</div><div class="pagination-nav__label">The never ending search a search engine 2022-01 edition<!-- --> »</div></a></div></nav></main><div class="col col--2"><div class="tableOfContents_vrFS thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#the-annoyance" class="table-of-contents__link toc-highlight">The Annoyance</a></li><li><a href="#the-problem" class="table-of-contents__link toc-highlight">The Problem</a></li><li><a href="#the-source" class="table-of-contents__link toc-highlight">The Source</a></li><li><a href="#the-solution" class="table-of-contents__link toc-highlight">The Solution</a></li><li><a href="#the-further-reading" class="table-of-contents__link toc-highlight">The Further Reading</a></li></ul></div></div></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One post tagged with "devops" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One post tagged with "devops" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/tags/devops"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="blog_tags_posts"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/tags/devops"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/devops" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/devops" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One post tagged with "k8s" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One post tagged with "k8s" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/tags/k-8-s"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="blog_tags_posts"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/tags/k-8-s"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/k-8-s" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/k-8-s" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One post tagged with "memory" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One post tagged with "memory" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/tags/memory"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="blog_tags_posts"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/tags/memory"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/memory" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/memory" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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@ -7,8 +7,8 @@
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One post tagged with "oom" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One post tagged with "oom" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/tags/oom"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="blog_tags_posts"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/tags/oom"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/oom" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/oom" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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||||
@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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@ -7,8 +7,8 @@
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One post tagged with "ops" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One post tagged with "ops" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/blog/tags/ops"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="blog_tags_posts"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/blog/tags/ops"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/ops" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/blog/tags/ops" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
|
||||
Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
|
||||
We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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@ -32,7 +32,7 @@ Or to quote user <a href="https://www.reddit.com/user/naveen17797/" target="_bla
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Since we can't get prometheus up and running to utilize PromQL to detect the potential issues, we have to find another way to detect high cardinality.
|
||||
Therefore, we might want to get our hands dirty with some <code>kubectl exec -it -n monitoring pods/prometheus-prometheus-kube-prometheus-prometheus-0 -- sh</code>, and run the prometheus <code>tsdb</code> analysis too.</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">/prometheus $ promtool tsdb analyze </span><span class="token builtin class-name" style="color:rgb(255, 203, 107)">.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Which produced the result.</p><div class="codeBlockContainer_J+bg language-text theme-code-block"><div class="codeBlockContent_csEI text"><pre tabindex="0" class="prism-code language-text codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Block ID: 01FT8E8YY4THHZ2S7C3G04GJMG</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Duration: 1h59m59.997s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Series: 564171</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Label names: 285</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings (unique label pairs): 21139</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Postings entries (total label pairs): 6423664</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> Highest cardinality metric names:</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> 11340 haproxy_server_http_responses_total</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">> ...</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We see the potential issue here, where the <code>haproxy_server_http_responses_total</code> metric is having a super-high cardinality which is growing.
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We need to deal with it, so that our prometheus instance can breathe again. In this particular case, the solution was updating the haproxy.</p><p>... or burn it, up to you.</p><p><img alt="Flame Thrower" src="/assets/images/flame-thrower-56bcf89132356ff53c03ca029d9d0746.webp"></p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="the-further-reading">The Further Reading<a class="hash-link" href="#the-further-reading" title="Direct link to heading"></a></h2><ol><li><a href="https://github.com/prometheus/prometheus/blob/main/tsdb/docs/format/wal.md" target="_blank" rel="noopener noreferrer">WAL Definition</a></li><li><a href="https://ganeshvernekar.com/blog/prometheus-tsdb-wal-and-checkpoint/" target="_blank" rel="noopener noreferrer">WAL & Checkpoints</a></li><li><a href="https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality" target="_blank" rel="noopener noreferrer">Using TSDB</a></li><li><a href="https://www.robustperception.io/which-are-my-biggest-metrics" target="_blank" rel="noopener noreferrer">Biggest Metrics</a></li><li><a href="https://www.robustperception.io/cardinality-is-key" target="_blank" rel="noopener noreferrer">Cardinality</a></li></ol></div><footer class="row docusaurus-mt-lg"><div class="col col--9"><b>Tags:</b><ul class="tags_NBRY padding--none margin-left--sm"><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/prometheus">prometheus</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/cardinality">cardinality</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/devops">devops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/ops">ops</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/k-8-s">k8s</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/oom">oom</a></li><li class="tag_F03v"><a class="tag_WK-t tagRegular_LXbV" href="/blog/tags/memory">memory</a></li></ul></div><div class="col text--right col--3"><a aria-label="Read more about Prometheus Is Out Of Memory. Again." href="/blog/prometheus-cardinality-issues"><b>Read More</b></a></div></footer></article></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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</span></div></pre><a href="https://www.typescriptlang.org/play?#code/FAGwpgLgBAZg9nAXAbwNoEsB2ATMAPRAZwgCcsBzAXUUwFcBbAIzBIF8oBeKZYKP2BIigBGYKwDcwIA" class="button button--primary">open in playground on www.typescriptlang.org</a></div><div class="codeBlockContainer_J+bg language-tsx theme-code-block"><div class="codeBlockContent_csEI tsx"><pre tabindex="0" class="prism-code language-tsx codeBlock_rtdJ thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">let</span><span class="token plain"> foo</span><span class="token operator" style="color:rgb(137, 221, 255)">:</span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">index</span><span class="token operator" style="color:rgb(137, 221, 255)">:</span><span class="token builtin" style="color:rgb(130, 170, 255)">string</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token operator" style="color:rgb(137, 221, 255)">:</span><span class="token builtin" style="color:rgb(130, 170, 255)">number</span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> foo</span><span class="token operator" style="color:rgb(137, 221, 255)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/foomo/foomo-docs/tree/main/foomo/docs/frontend/typescript/objects.mdx" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/docs/frontend/performance"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Performance</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/docs/frontend/typescript/spreading"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Spreading</div></a></div></nav></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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<link rel="search" type="application/opensearchdescription+xml" title="foomo project docs" href="/opensearch.xml"><title data-react-helmet="true">One doc tagged with "frontend" | foomo project docs</title><meta data-react-helmet="true" property="og:title" content="One doc tagged with "frontend" | foomo project docs"><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://www.foomo.org/docs/tags/frontend"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="doc_tag_doc_list"><link data-react-helmet="true" rel="icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://www.foomo.org/docs/tags/frontend"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/docs/tags/frontend" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://www.foomo.org/docs/tags/frontend" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://SUATUVZDDM-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/assets/css/styles.47738ace.css">
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@ -7,8 +7,8 @@
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Vertreten durch die Geschäftsführung<br></p><p>Sven Böttcher<br>
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Hans Halfar<br></p><h3 class="anchor anchorWithStickyNavbar_y2LR" id="haftung-für-inhalte">Haftung für Inhalte<a class="hash-link" href="#haftung-für-inhalte" title="Direct link to heading"></a></h3><p>Die Inhalte unserer Seiten wurden mit größter Sorgfalt erstellt. Als Diensteanbieter sind wir gemäß § 7 Abs.1 TMG für eigene Inhalte auf diesen Seiten nach den allgemeinen Gesetzen verantwortlich. Nach §§ 8 bis 10 TMG sind wir als Diensteanbieter jedoch nicht verpflichtet, übermittelte oder gespeicherte fremde Informationen zu überwachen oder nach Umständen zu forschen, die auf eine rechtswidrige Tätigkeit hinweisen. Verpflichtungen zur Entfernung oder Sperrung der Nutzung von Informationen nach den allgemeinen Gesetzen bleiben hiervon unberührt. Eine diesbezügliche Haftung ist jedoch erst ab dem Zeitpunkt der Kenntnis einer konkreten Rechtsverletzung möglich. Bei Bekanntwerden von entsprechenden Rechtsverletzungen werden wir diese Inhalte umgehend entfernen.</p><h3 class="anchor anchorWithStickyNavbar_y2LR" id="haftung-für-links">Haftung für Links<a class="hash-link" href="#haftung-für-links" title="Direct link to heading"></a></h3><p>Unser Angebot enthält Links zu externen Webseiten Dritter, auf deren Inhalte wir keinen Einfluss haben. Deshalb können wir für diese fremden Inhalte auch keine Gewähr übernehmen. Für die Inhalte der verlinkten Seiten ist stets der jeweilige Anbieter oder Betreiber der Seiten verantwortlich. Die verlinkten Seiten wurden zum Zeitpunkt der Verlinkung auf mögliche Rechtsverstöße überprüft. Rechtswidrige Inhalte waren zum Zeitpunkt der Verlinkung nicht erkennbar. Eine permanente inhaltliche Kontrolle der verlinkten Seiten ist jedoch ohne konkrete Anhaltspunkte einer Rechtsverletzung nicht zumutbar. Bei Bekanntwerden von Rechtsverletzungen werden wir derartige Links umgehend entfernen.</p><p>Quellenangaben: Disclaimer <a href="https://www.e-recht24.de/muster-disclaimer.html" target="_blank" rel="noopener noreferrer">eRecht24 - https://www.e-recht24.de/muster-disclaimer.html</a></p><h3 class="anchor anchorWithStickyNavbar_y2LR" id="copyright">Copyright<a class="hash-link" href="#copyright" title="Direct link to heading"></a></h3><p>Website-Design, Texte, Grafiken und Layout Copyright © 1998 - today bestbytes. ALLE RECHTE VORBEHALTEN. Das Kopieren oder die Reproduktion der gesamten Website bzw. von Teilen dieser Website ist untersagt, es sei denn, bestbytes hat dem vorher schriftlich oder elektronisch zugestimmt. Alle Markenzeichen und Logos, die auf dieser Internetseite verwendet werden, sind urheberrechtlich geschützt.</p></div><div class="col col--2"><div class="tableOfContents_vrFS thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#here-is-the-german-info-and-legalese" class="table-of-contents__link toc-highlight">Here is the german info and legalese:</a><ul><li><a href="#haftung-für-inhalte" class="table-of-contents__link toc-highlight">Haftung für Inhalte</a></li><li><a href="#haftung-für-links" class="table-of-contents__link toc-highlight">Haftung für Links</a></li><li><a href="#copyright" class="table-of-contents__link toc-highlight">Copyright</a></li></ul></li></ul></div></div></div></main></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">legal</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/etc/imprint">Imprint</a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2022 bestbytes</div></div></div></footer></div>
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