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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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November 6, 2026

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Ivan Groenewold

MongoDB 9.0 vs. 8.0 vs. 8.3: A Quick First Look at Performance

In my previous post I said that MongoDB published some impressive numbers for 9.0, but I couldn’t find any details about how the tests were done...

WooCommerce Analytics with DuckDB

General Availability of Percona Search for MongoDB

November 2, 2026

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Zelmar Michelini

An alternative to sharding a MongoDB replica set that outgrew its memory: a proof of concept

Percona Operator for MySQL 1.3.0: autopilot tuning, zero-data-loss async failover, encrypted PITR

Why you should stop using ARBITERS in MongoDB

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

WooCommerce Analytics with DuckDB

General Availability of Percona Search for MongoDB

An alternative to sharding a MongoDB replica set that outgrew its memory: a proof of concept

Multi-Node Unused Index Verification

What’s New in PSMDB Sandbox: Six Months of Updates

Benchmarking Vector search in six database engines

PLGM Has Grown Up: A New UI and Many More Features

Percona Operator for MySQL 1.3.0: autopilot tuning, zero-data-loss async failover, encrypted PITR

Why you should stop using ARBITERS in MongoDB

Far Enough.

Far
Enough.