… same as bunch of others due to statement level MySQL Replication which among other …MySQL 5.1+ it is also possible to fix this problem for cases when number of rows in auto-increment batch insert is… is still important. IO Scalability patches Mark Callaghan from Google released so many MySQL patches…
Post: MySQL 4 to MySQL 5 Upgrade performance regressions
June 6, 2007 By 8 Comments
…when upgrading from MySQL 4.0 and 4.1 to MySQL 5.0. By serious I mean several times performance difference not just 5…MySQL handled this problem. While working for MySQL we spotted this problem early in MySQL 5.0 release…
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
…release Red Hat Enterprise Linux Server release 5.2 (Tikanga) From this, I can see a couple of important things. One thing is…MySQL is probably a good place to look for performance problems. Everything I’ve done up till now is just due…
Post: MySQL Backup tools used by Percona Remote DBA for MySQL
March 13, 2013 By 8 Comments
…for MySQL for binary backups mydumper for logical backups mysqlbinlog 5.6 Amazon S3 monitoring for all the above Philosophy on backups It is…When do we typically use xtrbackup restores: Setting up new slaves When we lose an entire server due to hardware failure, corruption, etc When…
Post: Percona Server 5.5.17-22.1 released
November 18, 2011 By Leave a Comment
…MySQL 5.5.17, including all the bug fixes in it, Percona Server 5.5.17-22.1 is now the current stable release in the 5.5…when using SET user variables it was possible to have SHOW SLAVE STATUS give incorrect output due…
Post: Announcing Percona XtraDB Cluster 5.5.29-23.7.1
January 30, 2013 By 8 Comments
… for State Snapshot Transfer would fail due to…When installing from yum repository, Percona-XtraDB-Cluster-server and Percona-XtraDB-Cluster-client would conflict with mysql and mysql…5.5.29-29.4 including all the bug fixes in it, Percona XtraDB Cluster 5.5.29-23.7.1 is now the current stable release…
Post: Watch out for Marketing benchmarks
August 23, 2006 By 7 Comments
…MySQL 4.1 vs 5.0 benchmarks which were done only benchmarks which show MySQL 5.0 is…MySQL for other applications or checked MySQL when new version was released. In general I also have to admit it is…
Post: Announcing Percona XtraDB Cluster 5.5.28-23.7
November 15, 2012 By 9 Comments
…When server was started with no wsrep_provider and with regular MySQL replication slave configured, could cause intermittent failure to start MySQL…5.5.28-29.1 including all the bug fixes in it, Percona XtraDB Cluster 5.5.28-23.7 is now the current stable release…
Comment: Where to get recent MySQL version ?
January 2, 2007 By 86 Comments
… that MySQL Support won’t support the older versions because that wasn’t the practice when…is due to an old bug, we’ll ask people to upgrade to prove it. Peter, the last Community release of 5…1.19 and a bit longer between 4.1.21 and 4.1.22. What is really visible so far is the increase in service for…
Post: Aligning IO on a hard disk RAID – the Benchmarks
June 9, 2011 By 13 Comments
…for brevity I have removed some irrelevant information): # Aspersa System Summary Report ############################## Platform | Linux Release…1 87.0 0.5 0% 0.0 0.7 93% 0 While number of operations from the OS perspective is very similar, due…
