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Re: pre-allocating binlog to speed up sync_binlog=1


On Mon, Dec 20, 2010 at 9:17 PM, Arjen Lentz <arjen@xxxxxxxxxxxxx> wrote:
> Hi Mark, all
> On 21/12/2010, at 12:51 PM, MARK CALLAGHAN wrote:
>> It would be nice if pre-allocated binlog files were possible, but
>> performance results from ext-3 overstates the benefit to be had. If
>> you care about performance with the binlog enabled then don't use
>> ext-3:
>> http://www.facebook.com/note.php?note_id=194501560932
> Not surprising, however in many environments deployments get stuck with
> ext3, so I do think there's benefit for the real world.


The question isn't whether this has a real world benefit. Lots of
changes do. The question is whether this is worth the effort to fix
given the many other problems that could be fixed and who is going to
fund that fix. This is a big change to replication internals.

Mark Callaghan

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