2013/3/15 Kristian Nielsen <[email protected]> > Isn't it? I do not have practical experience with MariaDB/MySQL in a HA > setup, > but I have always thought that DRBD was one of the best choices, being a > simple and robust solution. >
Yoshinori Matsunobu described available solutions with pros and cons here : http://code.google.com/p/mysql-master-ha/wiki/Other_HA_Solutions > > I can test things, patchs, but I don't know what ... I didn't found > > WL#4925 patch > > so I can't test it. > > We do not currently have any patch or plans for pre-allocation of binlog. > This morning I've removed DRBD to verify that it is not the bottleneck, and .... It's much faster with DRBD ! I didn't found anywere if Bug#13669 (http://bugs.mysql.com/bug.php?id=13669) was fixed, but it's seems to, as I see Binlog_commits =~ Binlog_group_commits. So I still have performance problems and perhaps WL#4925 could help .... or I'll have to buy some better hardware. -- Greg
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