How Percona Develops Open-Source Software

Percona has been building and contributing to open-source software since the company was founded, and individually we’ve been doing the same thing for many years.  We think it’s a huge value for our customers and the community.
We’re involved in a dozen or so open-source projects, but our three core efforts at the moment are […]

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iiBench Contest Updates

We re-ran iiBench based on Mark Callaghan’s excellent work. We used standard InnoDB engine in MySQL 5.1 without the Google or Percona patches. Our hardware is similar to Mark’s except we used a 6-disk hardware RAID 0, whereas Mark employed a 10-disk software RAID 0. We ran on the same hardware […]

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XtraDB storage engine release 1.0.2-2 (New Year edition)

Today we announce release 1.0.2-2 of our XtraDB storage engine.
Here is a list of enhancements:

split-buffer_pool_mutex

The patch splits global InnoDB buffer_pool mutex into several and eliminates waitings on flush IO and mutex when there is no enough free buffers. It helps if you have performance drops when data does not fit in memory.

innodb_extra_undoslots

InnoDB has a […]

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5.0.75-build11 percona binaries

As you may know Sun / MySQL made release of community 5.0.75 only as source code release. We made binaries with our patchset.
Patches are mostly equal to build 10
https://www.percona.com/blog/2008/12/11/mysql-binaries-percona-build10/, only change:
it includes bugfix for https://bugs.launchpad.net/percona-patches/+bug/308849
You can download binaries (RPMS x86_64) and sources with patches here
https://www.percona.com/mysql/5.0.75-b11/

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High-Performance Click Analysis with MySQL

We have a lot of customers who do click analysis, site analytics, search engine marketing, online advertising, user behavior analysis, and many similar types of work.  The first thing these have in common is that they’re generally some kind of loggable event.
The next characteristic of a lot of these systems (real or planned) is […]

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