Community Blog

Over the years working on various MongoDB troubleshooting cases, I’ve been wondering how to handle the longish JSON outputs from the most common diagnostic comm...

What’s the impact of TDE on performance? People usually quickly throw together a few graphs with basic measurements and treat that as a complete answer, but the...

On July 9–10, the two of us - Sandra (Engineering, Percona for MongoDB) and Radek (Product, Percona for MongoDB) - packed our backpacks and headed to Berlin for...

You filed a bug report at 11pm because you’d already done the work to isolate it. You answered a forum question that had been sitting unanswered for three days....

Recently we noticed a LinkedIn post promoting open_pg_tde, a fork of our pg_tde, claiming to be more open. I looked at the repository, and have to disagree with...

A MySQL InnoDB Cluster provides high availability for a single database cluster using Group Replication. This works well for node failures inside the cluster, b...

Vacuum, or more precisely autovacuum, is the most important automatic maintenance task in PostgreSQL. It is key for performance, but also for long-term database...

Here I write about what I changed after the first launch: hybrid search, filters and counts on the search page, the widget layout, indexer hardening, and the Pe...

We often hear that open source is about people....

Multi-Cluster MongoDB on GKE with MCS Guide Ivan Groenewold, Technical Lead, Percona MongoDB, and I put together a detailed step-by-step guide on deploying the ...

The Percona Community Slack is open — come hang out There’s a new place for the people behind the databases to actually talk to each other....

I’ll explain how I built the Postgres layer for semantic vector search on the Percona Community website: pgvector, chunks, two table modifications, the database...

Type “zero downtime database migration” into the site’s search bar and you’ll get articles and talks about database migration with minimal downtime, even if tho...

You’ve fixed something gnarly in production this year. You’ve migrated a database that nobody wanted to touch. You’ve built something on top of Percona Operator...

Events unfolded quickly over the course of a couple of weeks starting on 27 April 2026, when a message appeared on the pgBackRest project announcing: that the r...