Understanding WAL and WAL Writer Process in PostgreSQL: How Write-Ahead Logging Ensures Data Integrity and Performance

Understanding WAL and WAL Writer Process in PostgreSQL

The WebScale Database Infrastructure Operations Experts in PostgreSQL, MySQL, MariaDB, MongoDB and ClickHouse

Copy and paste this URL into your WordPress site to embed

<blockquote class="wp-embedded-content" data-secret="taT9yuFDSl"><a href="https://minervadb.xyz/understanding-wal-and-wal-writer-process-in-postgresql/">Understanding WAL and WAL Writer Process in PostgreSQL</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://minervadb.xyz/understanding-wal-and-wal-writer-process-in-postgresql/embed/#?secret=taT9yuFDSl" width="600" height="400" title="&#8220;Understanding WAL and WAL Writer Process in PostgreSQL&#8221; &#8212; The WebScale Database Infrastructure Operations Experts in PostgreSQL, MySQL, MariaDB, MongoDB and ClickHouse" data-secret="taT9yuFDSl" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/*! This file is auto-generated */
!function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document);
</script>

Copy and paste this code into your site to embed