Welcome to MySQL QA Episode 8: Reducing Testcases for Engineers: tuning reducer.sh
Full-screen viewing @ 720p resolution recommended.
I recently worked with a customer who had a weird issue: when their MySQL server was started (Percona Server 5.5), if they try to run
service mysql start a second time, the init script was not able to detect that an instance was already running. As a result, it tried to start a second instance with the same settings as the first one. Of course this fails and this creates a mess. What was the issue? A missing rule in SELinux. At least it looks like
Today Percona announced the immediate availability of 24/7, enterprise-class support for MongoDB and TokuMX. The new support service helps organizations achieve maximum application performance without database bloat. Customers have round-the-clock access (365 days a year) to the most trusted team of database experts in the open source community.
Welcome to MySQL QA Episode #7 – Reducing Testcases for Beginners: single-threaded reducer.sh!In this episode we’ll learn how to use reducer.sh. Topics discussed;
The Percona Live Data Performance Conference in Amsterdam is just two months away and it’s going to be an incredible event.
As you may know, Tokutek is now part of Percona and I would like to explain some internals of TokuDB and TokuMX – what performance benefits they bring, along with further optimizations we are working on.However, before going into deep details, I feel it is needed to explain the fundamentals of Key-Value store, and how Fractal Tree handles it.
Both MySQL and MariaDB have been busy, each introducing new features, sometimes creating the same feature, often with different syntax.
Beware the SSTIn Percona XtraDB Cluster (PXC) I often run across users who are fearful of SSTs on their clusters. I’ve always maintained that if you can’t cope with a SST, PXC may not be right for you, but that doesn’t change the fact that SSTs with multiple Terabytes of data can be quite costly.