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...

Our Most Popular Database Blog Posts in 2017

December 28, 2017 Forrest Lymburner

Open Source Databases in 2017 and Trends for 2018

December 21, 2017 Forrest Lymburner

Point-in-Time PostgreSQL Database Restoration

December 8, 2017 Krzysztof Ksiazek