May 21, 2013

Open Source, the MySQL market (and TokuDB in particular)

I was reviewing the Percona Live sponsors list the other day and pondering the potential success stories associated with this product or that one…. and as I was preparing to put more thought on the topic, a PlanetMySQL post caught my eye. It was penned by Mike Hogan and titled, “Thoughts on Xeround and Free!” [...]

Thank You Percona Live London 2012 Attendees!

Percona Live London wrapped up last week to very positive reviews from attendees and sponsors like those from Johan De Meersman. Percona was pleased to provide an engaging event for MySQL community members that featured engaging tutorials, highly rated breakout sessions, a very well-attended Tuesday community networking reception sponsored by Clustrix, and keynotes from a [...]

Percona is Speaking At Open Source Data Center Conference in Nuremberg, Germany

Percona has 2 talks lined up at OSDC in Nuremberg, Germany: – Taking hot backups with XtraBackup by Alexey Kopytov – Expert Troubleshooting: Resolving MySQL Problems Quickly  by Kenny Gryp Feel free to come and say Hi! On April 25 & 26, 2012 the Open Source Data Center Conference will invite experienced administrators and architects [...]

Win Free MySQL Conference Tickets!

We’re giving away three full conference passes (worth $995 each) to the Percona Live MySQL Conference and Expo, and you can win one simply by sharing the conference with your friends and colleagues! Second prize is one of ten copies of the new High Performance MySQL, 3rd Edition (worth $55 each), the recently released update [...]

Performance Schema overhead

As continuation of my CPU benchmarks it is interesting to see what is scalability limitation in MySQL 5.6.2, and I am going to check that using PERFORMANCE SCHEMA, but before that let’s estimate what is potential overhead of using PERFORMANCE SCHEMA. So I am going to run the same benchmarks (sysbench read-only and read-write) as [...]

Drop table performance

There have been recent discussions about DROP TABLE performance in InnoDB. (You can refer to Peter’s post http://www.mysqlperformanceblog.com/2011/02/03/performance-problem-with-innodb-and-drop-table/ and these bug reports: http://bugs.mysql.com/bug.php?id=51325 and http://bugs.mysql.com/bug.php?id=56332.) It may not sound that serious, but if your workload often uses DROP TABLE and you have a big buffer pool, it may be a significant issue. This can get [...]

Percona Server 5.1.49-rel12.0

Dear Community, Starting with this release, we introduce a new release model for Percona Server. From now on, we will have both Stable and Release Candidate releases. Release Candidates will introduce new features not yet available in Stable releases. Along with new features, our new 5.1.49-12.0 RC contains a couple of patches from the Facebook-MySQL [...]

Percona Server 5.1.47-rel11.0

Dear Community, Percona Server version 5.1.47-rel11.0 is available for download now. The changes in this release include: New features Percona Server is now based on MySQL 5.1.47, and XtraDB is now based on InnoDB plugin 1.0.8. XtraDB now uses the fast recovery code released in InnoDB Plugin version 1.0.8, instead of Percona’s earlier fast-recovery code. [...]

xtrabackup-0.9.5rc

Dear Community, As of today release 0.9.5rc is available. In this release there are following changes: Changelog: Option –no-lock is added to innobackupex-1.5.1. Use it only while ALL your tables are InnoDB and you DO NOT CARE about binary log position of backup XtraBackup is ported for InnoDB Plugin 1.0.4. Barracuda file format as well [...]

Statistics of InnoDB tables and indexes available in xtrabackup

If you ever wondered how big is that or another index in InnoDB … you had to calculate it yourself by multiplying size of row (which I should add is harder in the case of a VARCHAR – since you need to estimate average length) on count of records. And it still would be quite [...]