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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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June 29, 2026

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Dennis Kittrell

Skipping Percona Server for MySQL 8.4.9 and 9.7.0

Upstream MySQL published an out-of-schedule release this week with two high-severity CVE fixes. We’ve pulled those fixes into our next builds an...

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

Migrating from MongoDB 6.0 to 8.0: How Percona ClusterSync Handles Cross-Version Replication

May 28, 2026

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Slava Sarzhan

Percona Operator for PostgreSQL 3.0.0: Hard Fork, OLM Scoping, Major Upgrades

May 27, 2026

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Slava Sarzhan

Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Backup-Restore and PV Reuse

May 26, 2026

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Scott LaFortune

How Procurement Leaders Realize ROI from Open Source Databases

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

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

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

The Failover Brownout: Rethinking High Availability in MySQL Group Replication

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

Migrating from MongoDB 6.0 to 8.0: How Percona ClusterSync Handles Cross-Version Replication

Percona Operator for PostgreSQL 3.0.0: Hard Fork, OLM Scoping, Major Upgrades

Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Backup-Restore and PV Reuse

How Procurement Leaders Realize ROI from Open Source Databases

Far Enough.

Far
Enough.