In a perfect world, we expect all software to run flawlessly and never have problems such as bugs and crashes. We also know that this perfect world doesn’t exist and we better be as prepared as possible to troubleshoot those types of situations. Historically, generating core dumps has been a task delegated to the […]Read more
For most people (including me until recently) database XA transactions are a fuzzy concept. In over eight years with Percona, I have never had to deal with XA transactions. Then a few weeks ago I got two customers having issues with XA transactions. That deserves a post.
This blog discusses MongoDB 3.4 GA facet aggregation features and the SERVER-27395 mongod crash bug.
As you may have heard, in late November MongoDB 3.4 GA was released. One feature that stuck out for me, a Lucene enthusiast, was the addition of powerful grouping and faceted search features in MongoDB 3.4.
For those unfamiliar with […]
Have you ever wondered what could happen if your MySQL database goes down?
Although it’s evident such a crash will cause downtime – and surely some business impact in terms of revenue – can you do something to reduce this impact?
The simple answer is “yes” by doing regular backups (of course) but are you 100% […]