By this definition, when someone who doesn't work at the MySQL project distributes a package that is based on MySQL code but differs …

We had some technical difficulties with Webex today which prevented from all registered attendees to be able to join webinar. I personally would be very upset having booked my time to attend event, pre-registered to ensure there is a space available and when unable to join at the time of event (which is frankly exactly what happened to me).

As result we have scheduled Migrating MyISAM to Innodb webinar to run again on Tuesday, December 7 at 9AM Pacific (Same Time). Here is direct link if you would like to register.

Note we also Webinar on Percona Server, Xtrabackup and XtraDB next week which is great if …

We've had such a large number of signups to our Migrating MyISAM to InnoDB webinar, that we decided to hold one more before the year is out:

December, 8th 9AM PST: Introduction to Percona Server, XtraDB and Xtrabackup.

As the title suggests: this presentation is an introduction.  We will be running through the main aspects that change, and where you can expect to get the most benefit.

This will be a technical talk, but perhaps less technical than some of …

Percona Server version 5.1.52-rel11.6 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 5.1.52-rel11.6 is now based on MySQL 5.1.52.
•  New Features Added: None
•  Other Changes: None

Bugs Fixed

• Bug #671764 - innochecksum wasn't distributed with RPM and .DEB packages. (Aleksandr Kuzminsky)
• Bug #673426 - Use of some system variables as command-line options caused a crash or undefined behavior. (Oleg Tsarev)
• Bug #673929 - Query cache misses were being …

Percona XtraBackup 1.4 is now available for download.

Version 1.4 fixes problems related to incremental backups. If you do incremental backups, it's strongly recommended that you upgrade to this release.

Functionality Added or Changed

• Incremental backups have changed and now allow the restoration of full backups containing certain rollback transactions that previously caused problems. Please see Preparing the Backups and the --apply-log-only option. (From innobackupex, the --redo-only option should be used). (Yasufumi …

The open-source xtrabackup tool from Percona brings much needed hot backup functionality to MySQL deployments.  In this database journal article we discuss logical, cold, and hot backups, then explain how to use xtrabackup on your MyISAM, InnoDB, and XtraDB tables to create at-the-ready backups.  We then take you through the step-by-step process to restore them, and even the process of point-in-time recovery too.

Database Journal – Hotbackups with Percona’s Xtrabackup

The ASF threatens to withdraw from the JCP. The demise of the Symbian Foundation. And more.

Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca, and daily at Paper.li/caostheory
“Tracking the open source news wires, so you don’t have to.”

# The Apache Software Foundation said it will terminate its relationship with the JCP if its rights are not upheld.

# The Symbian Foundation is no more. It will transition to become a licensing operation for the Symbian OS.

# Gluster raised $8.5m series B funding from Index Ventures and Nexus Venture Partners.

…

You probably saw the Twitter storm over Oracle's pricing changes and InnoDB in the last few days. The fear about Oracle removing InnoDB from the free version of MySQL was baseless -- it was just a misunderstanding. Still, in the years since MySQL has been acquired by Sun, and then by Oracle, many MySQL users have been uncertain about the future. We think it's important for us to make our own position and plans clear and public, so that there is no fear or doubt about what Percona will do.

We want to begin by saying "thank you" to those who built and maintained MySQL over the years. Many of us at Percona came from the original MySQL team. We know that it took a decade-long group effort from Monty, David, Marten and many others to develop it into the world's leading open-source database. Much of their work is never publicly recognized, but it is the foundation of our own work, and we're indebted to it. MySQL development suffered some detours …

Percona Community,

Percona Server version 5.1.51-rel11.5 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 5.1.51-rel11.5 is now based on MySQL 5.1.51.
•  New Features Added: None
•  Other Changes: None

Bugs Fixed

•  Bug #661354 - Fixed a problem compiling query_cache_with comments for 5.1.51-rel11.5. (Oleg Tsarev)
•  Bug #661844 - Fixed a problem with server variables failing test for 5.1.51-rel11.5. (Oleg Tsarev)

The Release Notes for this and previous releases can be found in our …

Dear Community,

Percona Server version 5.1.50-rel12.1 RC is now available for download.

Functionality Added or Changed

• Percona Server 5.1.50-rel12.1 is now based on MySQL 5.1.50.
• New Features Added:
  • innodb_lru_dump_restore - Implemented automatic dumping of the buffer pool at specified intervals.
  • innodb_buffer_pool_shm - Implemented option ''innodb_buffer_pool_shm_checksum''; when enabled, shared memory buffer pool is checksum validated. This change also fixed these bugs: #643724, #649408, and #649393. (Yasufumi Kinoshita)
  • …