Severalnines Blog

Safe database change at fleet scale: canaries, maintenance waves, and recovery gates

November 6, 2026 Sebastian Insausti
A PostgreSQL minor update is about as boring as database maintenance gets. You stop the node, install the new binaries, and start it again. On one cluster, with someone watching, it rarely surprises anyone. Now do it on forty clusters at once. One of them pulls packages from a mirror...

MySQL vs MongoDB: Deployment & Provisioning

May 3, 2016 Art van Scheppingen

New Whitepaper: MySQL Replication Blueprint

April 29, 2016 Jean-Jérôme Schmidt

Webinar Replay: The MySQL Replication Blueprint

April 6, 2016 Jean-Jérôme Schmidt

Webinar Replay: How to Upgrade to MySQL 5.7

March 16, 2016 Jean-Jérôme Schmidt