#Open Source articles and events

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...

Chernihiv IT Cluster ran ProsvITa 2026 at Chernihiv Polytechnic National University, June 22–25. Engineers from local and international companies spent four day...

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....

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...

We’ve just landed on X and Mastodon, and before the first real post goes out, we wanted to do something we don’t do often enough: introduce ourselves....

Redis has been a key technology for many developers, companies, and open-source communities for years. With the emergence of Valkey, many people are now asking ...

Starting with version 1.1.0, the Percona Kubernetes Operator for MySQL now supports incremental backups. This feature lets you backup only the changed data sinc...

I spend a lot of time in Slack. Most people in tech do. It’s where a lot of “work” happens such as quick questions, async decisions, the “hey can you look at th...

Last year at pgconf.dev, there was a discussion about improving the user interface for the PostgreSQL hackers mailing list, which is the main communication chan...

Percona.Connect London 2025 brought the open-source database community together for a half-day of learning and collaboration. The event focused on providing pra...

We’re excited to share that our recent test run using the Postgres Compatibility Index (PCI) achieved 100% compatibility....

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If you read - Using the JSON data type with MySQL 8 - Part I, you will see that inserting data into MySQL of JSON type is a very common and effective practice. ...

MySQL 8.0.32 came out recently and had some important bugfixes contributed by Perconians. Here is a brief overview of the work done....