Percona toolkit 2.2.5

Posted by & filed under MySQL.

Percona toolkit 2.2.5 is now available on Dotdeb for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze”. It fixes 5 bugs as well as 4 new features. As usual, before upgrading, please read the list of changes for Percona toolkit 2.2.5 and the announcement by Hrvoje Matijakovic.

Nginx 1.4.0, for Wheezy and Squeeze

Posted by & filed under Nginx.

Nginx 1.4.0 stable version has been released on April 24th 2013, incorporating many new features developed in the 1.3.x branch : support for proxying of WebSocket connections, OCSP stapling, SPDY module, gunzip filter, and more… See the full Changelog for more details. As a consequence, Dotdeb’s packages of Nginx 1.4.0 are now available for both… Read more »

Percona toolkit 2.1.9

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Percona toolkit 2.1.9 is now available on Dotdeb for Debian 6.0 “Squeeze”. It includes many bug fixes and it is worth upgrading to, especially if you were affected by the backwards-incompatible changes to pt-heartbeat in 2.1.8. Take a look at this blog post by Daniel Nichter for more info. As usual, please read the list of changes… Read more »

Pinba engine 1.0.0

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I already talked about Pinba, this great Application Performance Monitoring (APM) tool that is made of : a MySQL storage engine (pinba-mysql-5.5), a PHP extension (php5-pinba), and even a python module, pynba, (thanks to my IsCool Entertainment friends) and an experimental Nginx module. But since MySQL 5.1 support has been discontinued on Dotdeb, it was impossible… Read more »

Using the Google Perftools to speed up your MySQL server

Posted by & filed under Documentation, MySQL.

The Google Perftools, especially tcmalloc (Thread Caching Malloc), can be very useful to speed up your applications, depending on your environment : TCMalloc is faster than the glibc 2.3 malloc (available as a separate library called ptmalloc2) and other mallocs that I have tested. ptmalloc2 takes approximately 300 nanoseconds to execute a malloc/free pair on… Read more »