Mark Callaghan has graciously accepted to be the closing keynote speaker for Percona Live: San Francisco!

Mark is best known for his work behind MySQL @ Facebook, where he and his team maintain one of the largest MySQL installations around.  They also contribute back to the community with a publicly available branch of enhancements, improved diagnostic tools, and bug reports which help make MySQL better.

Mark’s keynote will be on “High-value Transaction Processing”.  I assure you, this is a presentation not to be missed.

Percona Server version 5.1.54-12.5 is now available for download. It is now the current stable release version.

Functionality Added or Changed

• Percona Server 5.1.54-12.5 is based on MySQL 5.1.54.
• New Features Added: None
• Other Changes:
  • Added system variable innodb_log_block_size and new value “keep_average” to system variable adaptive_checkpoint in Improved InnoDB I/O Scalability. (Yasufumi Kinoshita)
  • Added new value “ALL_O_DIRECT” to system variable …

Today we're announcing Percona Live - a one day event to be held at the Bently Reserve on February 16th in San Francisco.  Live is our way of showcasing some of the awesome work that has been going into MySQL recently - and the theme of this event is Beyond MySQL 5.1.

Our first guest speaker is none other than Jeremy Zawodny.  Jeremy is well known in the MySQL community having been the original author of High Performance MySQL 1st Ed.  He will be presenting on how Craigslist has already upgraded to MySQL 5.5 - and are running on Fusion-io SSDs in production.

Tickets are available for early bird registration at $50.  To signup, or for more information please visit the percona website.

Entry posted by Morgan Tocker | …

I'm speaking at MySQL/PHP Meetup at Charlotte,NC next week with topic being Scaling MySQL Applications. We will have a presentation probably for about an hour and the good amount of time for questions. So come prepared.

Great thanks to Red Ventures, LLC for help organizing and sponsoring this event. I'm hearing there are going to be a door prizes, some snacks and drinks available on this event.

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Percona is pleased to officially (and belatedly) welcome Sasha Pachev to our team of consultants.

Before joining Percona, Sasha worked as an independent MySQL consultant. Sasha was the original implementer and maintainer of MySQL replication from 3.23 to 4.02. He is also the author of MySQL Enterprise Solutions and Understanding MySQL Internals.

Sasha, a big welcome – we are fortunate indeed you’re working with us!

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Percona Server version 5.1.53-12.4 is now available for download. It is now the current stable release version.

Functionality Added or Changed

•  Percona Server 5.1.53-12.4 is based on MySQL 5.1.53.
•  New Features Added:
  • Precompiled UDFs for Maatkit (FNV and MurmurHash hash functions to provide faster checksums) are now included in distributions. Fixes feature request #689992. (Aleksandr Kuzminsky)
•  Other Changes:
  • innodb_doublewrite_file - It's no longer necessary to recreate your database and InnoDB …

Percona Server version 5.1.53-11.7 is now available for download.

The main purpose of this release is to update the current Percona stable release to the latest version of MySQL 5.1.

Functionality Added or Changed

•  Percona Server 5.1.53-11.7 is now based on MySQL 5.1.53.
•  New Features Added: None
•  Other Changes: None

Bugs Fixed

• Bug #643149 - Slow query log entries were not being done in the usual parsing format. (Alexey Kopytov)
• Bug #677407 - The innodb.innodb_information_schema test could fail sporadically due to flawed logic in the INFORMATION_SCHEMA.INNODB_LOCKS caching mechanism. (Alexey Kopytov)

Release Notes for this and previous releases can be found …

For those that missed it - last week we added training in Frankfurt and London to our website.  This includes our new Operations Training announced in September.

(While in Europe, we'd love to speak at your meetup group on Percona Server and/or MySQL Optimization.  If you're a meetup organizer in London or Paris, please feel free to get in touch.)

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Percona Server version 5.1.52-12.3 is now available for download.

The main purpose of this release is to update the current Percona release candidate to the latest version of MySQL 5.1. The release also includes the HandlerSocket plugin, which provides NoSQL features in Percona Server.

Functionality Added or Changed

• Percona Server 5.1.52-12.3 is now based on MySQL 5.1.52.
• New Features Added:
  • HandlerSocket plugin support has been added to all RPM and Debian packages. This is an experimental feature. (Inada Naoki, DeNA Co., Ltd.)
  • …

Percona XtraBackup 1.5-Beta is now available for download.

This release adds additional functionality to Percona XtraBackup 1.4, the current general availability version of XtraBackup.

This is a beta release.

Functionality Added or Changed

• Support for MySQL 5.5 databases has been implemented. (Yasufumi Kinoshita)
• XtraBackup can now be built from the MySQL 5.1.52, MySQL 5.5.7, or Percona Server 5.1.53-12 code bases (fixes bug #683507). (Alexey Kopytov)
• The program is now distributed as three separate binaries: 
  • xtrabackup - for use with Percona Server with the built-in InnoDB plugin
  • xtrabackup_51 - for use with MySQL 5.0 & 5.1 with built-in InnoDB
  • xtrabackup_55 - for use with MySQL 5.5 (this binary is not provided for the …