FYI we migrated from MariaDB group commit to Oracle group commit and attempted to keep the MariaDB testcases, unfortunately without group_commit and group_commit_binlog_pos for now. Then from our perspective the difference in the implementations was the following: http://bugs.mysql.com/bug.php?id=68929 (cosmetical) http://bugs.mysql.com/bug.php?id=68932 (IMHO serious) http://bugs.mysql.com/bug.php?id=68953 (IMHO serious, fixed in 5.6.12). The fact that we didn't port all the testcases is https://bugs.launchpad.net/percona-server/+bug/1168312. 2013/6/11 Sergei Petrunia <psergey@askmonty.org>:
Hi Kristian,
I'm wondering, do we have any comparison of MariaDB's binlog group commit implementation vs MySQL's binlog's group commit? I recall Mats writing a blog about the differences last year, but he didn't have the code back then. I'm wondering if Oracle had implemented what he described, or did something else...
I understand that in order to do benchmark we need to finish merging InnoDB from MySQL 5.6 into MariaDB 10.0. One can't benchmark group commit per se, it is tied to innodb.
Do we still have any clue, before the merge happens? Btw, what should the merge do - take group commit from MariaDB or from MySQL?
BR Sergei -- Sergei Petrunia, Software Developer Monty Program AB, http://askmonty.org Blog: http://s.petrunia.net/blog
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