Community Blog

Let’s say you’re processing events from an API into your CRM. An event comes in and tells you that a particular contact is a Director at a company. So you updat...

Percona has open sourced kmipclient, a new KMIP library in C++ for applications that need to talk to a key management system over a standard protocol instead of...

I’ll be the first to admit it. I’m not a technical guy. I am, however, observant and curious—two traits that play a major role in my efforts to learn and collab...

I’m a long term user of MySQL with both asynchronous replication and synchronous with PXC. For a while now this has been on Kubernetes with either Helm deployme...

Two successful reservations of three units should reduce stock from ten to four. A read-calculate-write operation can instead leave seven: both clients overwrit...

A migration plan can name every component and still leave the useful question unanswered: if the move fails, can the application work again? A dump file is not ...

Our MongoDB team at Percona works remotely, spread across many countries and time zones. Most days that works well, but once in a while it helps to be in the sa...

pg_stat_monitor started as a fork of pg_stat_statements, built to be a more advanced replacement for it. It provides more detailed information about query execu...

This is a synthetic laboratory example, not a customer production incident. AI assisted with drafting and checking the material....

Everyone who follows database news has already heard about the delays of PostgreSQL 19: the major release that was supposed to go GA in September, now scheduled...

I take over apps that were made with Lovable, Bolt or v0....

On October 1-2, Chernihiv Polytechnic National University held the II International scientific and practical conference “Free/Open Source Software in Education,...

Building a Database DBA Lab with Docker, PostgreSQL, MySQL, and Percona Monitoring and Management How I built a local database playground, learned a few lessons...

PGConf.EU is right around the corner! This year, we’re heading to Valencia for three days of talks on October 20-22, followed by the Community Events Day on Fri...

In our previous blog post ProxySQL HA with BGP ECMP Anycast, we established why we would want to use BGP ECMP as a strategy for making our ProxySQL cluster high...