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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 13, 2026

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Marco Tusa

Just Because You Can, Doesn’t Mean You Should: Re-evaluating Galera Node Weights

We all know that when using a cluster based on Galera (Codership) such as Percona XtraDB Cluster (PXC), it is recommended to deploy an odd number of n...

So, now you need to upgrade your MongoDB cluster…

Introducing Percona Database Service (PDS): An Experiment in Simplifying Database Management

November 12, 2026

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Arunjith Aravindan

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

Far
Enough.

Said no pioneer ever.

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MySQL, PostgreSQL, InnoDB, MariaDB, MongoDB and Kubernetes are trademarks for their respective owners.

The Percona Database Performance Blog

So, now you need to upgrade your MongoDB cluster…

Introducing Percona Database Service (PDS): An Experiment in Simplifying Database Management

Deploying OpenEverest on a 3-Node K3s Cluster

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

Far Enough.

Far
Enough.