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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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September 2, 2026

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Michał Jankowski

OpenID Connect Authentication for MySQL, Now Fully Open Source

Percona Server for MySQL now ships with a fully open source OpenID Connect (OIDC) authentication plugin, available starting with Percona Server for My...

Rotating Expiring X.509 Certificates in Percona Server for MongoDB with Minimal Service Interruption

Benchmarking vector indexes

August 27, 2026

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Bogdan Degtyariov

Performance Progression of Percona Server for MySQL 8.4

August 26, 2026

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Robert Bernier

Navigating the Walled Gardens of PostgreSQL: Hidden Risks of Postgres Vendor Lock-in

Replication Lag on AWS FSx: The Hidden EC2 Single-Flow Bandwidth Limit

Software Bill of Materials in Percona Server for MongoDB

Security Advisory: Privileged ClickHouse access through the Grafana data source in PMM

Stop guessing at gcache: inspect Galera/PXC write sets with gcache-inspector

August 17, 2026

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Agustín Gallego

Percona University Comes to Uruguay

Far
Enough.

Said no pioneer ever.

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