https://www.pachadata.com/en/tags/architecture/Recent content in Architecture on Rudi BruchezHugoenFri, 28 Aug 2026 16:40:55 +0200https://www.pachadata.com/en/docs/howtos/administration/instances/Tue, 27 Jan 2026 00:00:00 +0000https://www.pachadata.com/en/docs/howtos/administration/instances/<div class="alert alert-success" role="alert"><div class="h4 alert-heading" role="heading">TL;DR</div> <p>Installing several instances on the same production server is almost never necessary. Consolidate all your databases onto one instance.</p> <p>A single instance gives you better performance, better visibility and simpler operations.</p> <p>Having to support different SQL Server versions per database is not an argument for several instances. The database compatibility level handles that.</p> </div> <h2 id="why-do-people-install-several-instances-on-one-server">Why do people install several instances on one server?</h2> <p>In a world of virtualisation and containers, a system administrator&rsquo;s natural reflex is to isolate: one application, one service, one instance.</p>