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The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

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November 12, 2026

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Arunjith Aravindan

Deploying OpenEverest on a 3-Node K3s Cluster

Part 1 of 2: From bare Ubuntu servers to a running MySQL cluster OpenEverest is an open source platform for running databases such as MySQL, PostgreSQ...

Inside an OpenEverest MySQL Cluster: Galera Health and a Live Failover Test

Ten ways a glibc change can break your PostgreSQL cluster

Heavy MySQL Reports in Seconds: Open Source HTAP with DBTrail and Percona Server for MySQL

Beyond the Version Bump: Running PostgreSQL Major Upgrades in Percona Operator for PostgreSQL

An alternative to sharding a MongoDB replica set that outgrew its memory: a proof of concept

Multi-Node Unused Index Verification

Far
Enough.

Said no pioneer ever.

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The Percona Database Performance Blog

Inside an OpenEverest MySQL Cluster: Galera Health and a Live Failover Test

Ten ways a glibc change can break your PostgreSQL cluster

Heavy MySQL Reports in Seconds: Open Source HTAP with DBTrail and Percona Server for MySQL

Beyond the Version Bump: Running PostgreSQL Major Upgrades in Percona Operator for PostgreSQL

MongoDB 9.0 vs. 8.0 vs. 8.3: A Quick First Look at Performance

WooCommerce Analytics with DuckDB

General Availability of Percona Search for MongoDB

An alternative to sharding a MongoDB replica set that outgrew its memory: a proof of concept

Multi-Node Unused Index Verification

Far Enough.

Far
Enough.