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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 9, 2026

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Juan Arruti

Enabling TLS in PXC without Downtime

Starting with Percona XtraDB Cluster (PXC) 8.0, replication traffic encryption is enabled by default. That said, it’s common to find clusters ru...

Percona Operator for PostgreSQL 3.1.0: Transparent Data Encryption, Logical Replicas, and Persistent Logging

Meet pgstef: Why Stefan Fercot Joined Percona, and Why You Should Find Him at Percona Live Amsterdam

September 2, 2026

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Zelmar Michelini

Mongorewind: Rewind Your MongoDB Test Data Without Restoring a Backup

OpenID Connect Authentication for MySQL, Now Fully Open Source

August 31, 2026

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Ivan Groenewold

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

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