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February 2, 2009
Pretending to fix broken group commit
The problem with broken group commit was discusses many times, bug report was reported 3.5Â years ago and still not fixed [...]
January 23, 2009
Another scalability fix in XtraDB
Recent scalability fixes in InnoDB and also Google’s and your SMP fixes almost made InnoDB results acceptable in primary key [...]
January 23, 2009
5.0.75-build12 Percona binaries
After several important fixes to our patches we made binaries for build12. Fixes include: Control of InnoDB insert buffer to [...]
January 18, 2009
Fix of InnoDB/XtraDB scalability of rollback segment
Recently I wrote about InnoDB scalability on 24-core box, and we made research of scalability problems in sysbench write workload [...]
January 9, 2009
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 [...]
December 29, 2008
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 [...]
December 23, 2008
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 [...]
December 16, 2008
Announcing Percona XtraDB Storage Engine: a Drop-in Replacement for Standard InnoDB
Today we officially announce our new storage engine, “Percona XtraDB“, which is based on the InnoDB storage engine. It’s 100% [...]
December 11, 2008
MySQL Binaries Percona build10
We made new binaries for MySQL 5.0.67 build 10 which include next fixes: We addressed concerns about potential logging and [...]
November 28, 2008
MySQL for Hosting Providers – how do they manage ?
Working with number of hosting providers I always wonder how do they manage to keep things up given MySQL gives [...]
November 19, 2008
The patches are going to Launchpad
After some discussions on the OpenSQLCamp 2008 conference we decided to move our development to Launchpad, to be in stream [...]
November 14, 2008
Percona build7 with latest patches
We made new binaries for MySQL 5.0.67 build 7 which include patches we recently announced. The -percona release includes: [crayon-69dac383be741740475118/] [...]
November 13, 2008
Adaptive checkpointing
Do you know that there are two limits about dirty (modified but not flushed to disk) blocks of InnoDB buffer [...]
November 11, 2008
More patches
After some pause we are going to announce bunch of patches we made and ported for last period. Ported patches [...]
October 25, 2008
Mirrored Binlogs patch
Google patches V1 contain interesting patch to mirror binary log on slave. Although Google is preparing GlobalTransactionId patch, which going [...]
October 20, 2008
Improved InnoDB rw_lock patch
There is patch from Google to improve SMP performance , but for some workloads it showed for us reverse scalability. [...]
October 13, 2008
Percona’s patches spread to a wider audience
Percona’s patches are now available to a wider audience via OurDelta, a community effort to provide builds with features (Percona [...]
September 22, 2008
Finding what Created_tmp_disk_tables with log_slow_filter
Whilst working with a client recently I noticed a large number of temporary tables being created on disk. [crayon-69dac383c048d345777128/]
September 12, 2008
Unused indexes by single query
Usually unused indexes are devil, they waste diskspace, cache, they make INSERT / DELETE / UPDATE operations slower and what [...]
September 12, 2008
Google’s user_statistics V2 port and changes
Recently Google published V2 release of patches, one of them user_statistics we use in our releases. New features are quite [...]