#Community articles

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...

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

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...

Every planning cycle starts the same way. We sit together, agree on a handful of goals and everyone leaves the meeting motivated. A few weeks later, Jira holds ...

This post collects the main things Marco Tusa covered in his keynote at Percona Live 2026 in Amsterdam: where Percona stands on MySQL, which features landed in ...

Every document-processing system I have worked on arrives at the same shape. Something uploads a file, something else has to read it, run it through an extracti...

A backup is only useful if it can be restored. This lab seeds a source database, takes a logical archive, deliberately deletes the source database, restores int...

When I started learning tennis as an adult, I realized that what made tennis difficult was not learning the tennis strokes, instead it was learning to realize t...

A database migration can be syntactically correct and still be a poor release candidate. A regular index build can block writes, an ALTER TABLE may wait behind ...

When setting up a new database for an application, high availability (HA) is one of the main priorities. Let’s assume for this example that you chose to use a P...

When activity spreads across GitHub, the forum, and content, real contribution is easy to lose in the noise. A community program only works when people trust th...

Every great journey needs a guide....

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....