May 25, 2012

Post: Zero-Downtime Schema Changes In MySQL

… like a potential MySQL bug. Are you sure this is really happening? I would be extremely surprised for such a bug to be… very dangerous thing to do and causes way too many bugs in the server and the tool, so there is no…

Post: Introducing Zend DBi as a MySQL Replacement on IBM i

… Server variant of the MySQL server. We have a history of improving the MySQL server and finding and solving bugs in it — we’ve even found and solved bugs on the IBM i platform. We think that Zend DBi will be a great service to IBM i MySQL users…

Post: Announcement of Percona XtraDB Cluster 5.5.23

….5.23, which comes with bug fixes and improvements. List of changes: Fixes merged from upstream (Codership-mysql) Support for MyISAM, now… an General Availability release. We did our best to eliminate bugs and problems during alpha and beta testing release, but this is a software, so bugs are expected. If you encounter them, please report to our…

Post: Percona Server 5.5.23-25.3 released!

… from the Percona Software Repositories). Based on MySQL 5.5.23, including all the bug fixes in it, Percona Server 5.5… in the 5.5.23-25.3 milestone at Launchpad. Bugs Fixed: Percona Server would crash on a DDL statement if… detecting the corruption and creating a new SYS_STATS table. Bug fixed #978036 (Laurynas Biveinis). Release notes for Percona Server 5…

Post: Percona Server 5.5.22-25.2 released!

… from the Percona Software Repositories). Based on MySQL 5.5.22, including all the bug fixes in it, Percona Server 5.5… in the 5.5.22-25.2 milestone at Launchpad. Bugs Fixed: While running the test case found that MEMORY engine may return rows in non-deterministic order for equal keys. Bug fixed #892951 (Laurynas Biveinis). Release notes for Percona Server 5…

Post: Percona Server 5.1.62-13.3 released!

… from the Percona Software Repositories). Based on MySQL 5.1.62, including all the bug fixes in it, Percona Server 5.1…

Comment: How to convert MySQL's SHOW PROFILES into a real profile

There is this bug report: http://bugs.mysql.com/bug.php?id=61328

Comment: Side load may massively impact your MySQL Performance

http://bugs.mysql.com/bug.php?id=45015 (InnoDB buffer pool can be severely affected by table scans)

Comment: How to convert MySQL's SHOW PROFILES into a real profile

I wasn’t aware of that problem. Maybe there is a bug filed on bugs.mysql.com that will shed more light on workarounds.

Post: Percona Server 5.5.21-25.1 released!

… based on MySQL 5.5.21 as we have a couple of important bug fixes that we wish to make available. Bugs Fixed….0. Bug fixed #915814 (Alexey Kopytov). Fixed InnoDB compilation warnings on CentOS 5. Bug fixed #962940 (Laurynas Biveinis). Fixed MySQL upstream bug #64160 that was causing issues on upgrade to 5.5.20 and 5.5.21. Bug fixed #966844…