Around month ago Facebook has announced the title="linkbench" href="https://www.facebook.com/notes/facebook-engineering/linkbench-a-database-benchmark-for-the-social-graph/10151391496443920">Linkbench benchmark that models the social graph OLTP workload. Sources, along with a very nice description of how to setup and run this benchmark, can be found href="https://github.com/facebook/linkbench">here.
href="http://www.mysqlperformanceblog.com/wp-content/uploads/2013/01/Percona_XtraBackup.jpg">
class="alignleft size-full wp-image-12668" alt="Percona XtraBackup for MySQL" src="http://www.mysqlperformanceblog.com/wp-content/uploads/2013/01/Percona_XtraBackup.jpg" width="229" height="87" />Percona is glad to announce the release of Percona XtraBackup 2.1.0-rc1 on May 7, 2013. Downloads are available from our download site
href="http://www.percona.com/downloads/XtraBackup/XtraBackup-2.1.0-rc1/">here.
I compared the performance of MySQL 5.6.11 versus 4.0.30 using a read-only workload with sysbench. Performance was much better for 5.6.11 in most cases. At low-concurrency MySQL 4.0 was a bit faster. MySQL 5.6.11 was faster at high-concurrency and when doing many page reads per second. The product has improved a lot since I started using MySQL.
After compiling
href="http://www.mysqlperformanceblog.com/2013/04/24/percona-server-5-5-30-with-tokudb-for-mysql/" target="_blank">Percona Server with TokuDB, of course I wanted to compare InnoDB performance vs TokuDB.
/> I have a particular workload I’m interested in testing – it is an insert-intensive workload (which is TokuDB’s strong suit) with some roll-up aggregation, which should produce updates in-place (I will use INSERT .. ON DUPLICATE KEY UPDATE statements for that), so it will produce all good amount of reads.
This is a long due maintenance release of openark-kit. This release includes bugfixes and some enhancements, mainly to oak-online-alter-table.
oak-online-alter-table Changes / bug fixes include:
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MySQL Sandbox has been updated again. The latest version is 3.0.38, which was just released. There were four releases in the space of one week, and this last one is just a polished edition.