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The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

Blog

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June 4, 2026

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Adnan Supic

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

Percona ClusterSync for MongoDB (PCSM) replicates data between MongoDB clusters to keep migrations with near-zero downtime. Prior to version 0.9.0 it ...

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 25, 2026

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Evgeniy Patlan

Running TidesDB as a MySQL 9.7 storage engine

Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Standby Cluster Method

May 23, 2026

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Scott LaFortune

Not All Open Source Is Equal: Choosing a PostgreSQL Operator for Kubernetes in 2026

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

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

Running TidesDB as a MySQL 9.7 storage engine

Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: Standby Cluster Method

Why Modern Finance Runs on Open Source

MySQL 9.7.0 PGO Benchmark Analysis

CVE-2026-8053: “We don’t use time-series” is not a mitigation

Manually Migrate Hash Slots in a Valkey/Redis Cluster

Not All Open Source Is Equal: Choosing a PostgreSQL Operator for Kubernetes in 2026

Far Enough.

Far
Enough.