The Percona Database Performance Blog

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

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April 21, 2026

PostgreSQL Performance: Is Your Query Slow or Just Long-Running?

Introduction: Recently I was having a conversation with a DB Enthusiast, and he mentioned that when he was a fresher, he tuned an ETL/reporting query ...

Percona Operator for PostgreSQL 2.9.0: PostgreSQL 18 Default, PVC Snapshot Backups, LDAP Support, and More!

Benchmarking MyRocks vs. InnoDB in Memory-Constrained Environments

Far
Enough.

Said no pioneer ever.

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The Percona Database Performance Blog

Deploying Cross-Site Replication in Percona Operator for MySQL (PXC)

MariaDB’s Snapshot Isolation: A Fix That Breaks More Than It Fixes

Why A Goat?

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MongoDB Query Plan Cache Explained: Performance, Pitfalls, and Re-Planning

Auditing Login Attempts in MySQL and MariaDB

Percona ClusterSync for MongoDB 0.8.0: Up to 18x Faster Change Replication

Percona Operator for PostgreSQL 2.9.0: PostgreSQL 18 Default, PVC Snapshot Backups, LDAP Support, and More!

Benchmarking MyRocks vs. InnoDB in Memory-Constrained Environments

Far Enough.

Far
Enough.