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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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July 2, 2026

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Dennis Kittrell

Still on MySQL 5.7 or 8.0? Those high-severity CVE fixes are covered

Upstream MySQL published an out-of-schedule release this week with two high-severity CVE fixes. If you’re running Percona Server for MySQL 5.7 o...

Community Docker Images: keeping the operator open without a vendor registry lock-in

June 30, 2026

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Chetan Shivashankar

Security advisory: CVE-2026-9740 and CVE-2026-11933 in Percona Server for MongoDB

Extending pt-archiver with a Partition-Aware Plug-in for Fast Retention Policy Enforcement

June 15, 2026

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Marco Tusa

Group Replication VS Percona XtraDB Cluster: The True Cost of Consistency

The Failover Brownout: Rethinking High Availability in MySQL Group Replication

June 9, 2026

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Slava Sarzhan

Percona Operator for MySQL (PXC) 1.20.0: Automatic Storage Resizing, TLS Certificate Rotation, and ARM64 Support

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

The Percona Database Performance Blog

Community Docker Images: keeping the operator open without a vendor registry lock-in

Debugging with Ephemeral Containers

Why I haven’t run my databases on Kubernetes

Skipping Percona Server for MySQL 8.4.9 and 9.7.0