maria-developers team mailing list archive
Mailing list archive
Re: MDEV-5674 - Performance: my_hash_sort_bin is called too often
sorry for the mess with revisions and incorrect MDEV specification.
The proper patch is:
Date: Fri, 14 Feb 2014 12:25:50 +0000 (UTC)
From: Sergey Vojtovich <svoj@xxxxxxxxxxx>
Subject: [Commits] Rev 4006: MDEV-5674 - Performance: my_hash_sort_bin is called too often in lp:maria/10.0
On Tue, Mar 04, 2014 at 12:21:24PM +0100, Sergei Golubchik wrote:
> Hi, Sergey!
> On Mar 03, Sergey Vojtovich wrote:
> > Hi Sergei,
> > thanks for your comments. Did you also review the first patch?
> > revno: 4009
> > committer: Sergey Vojtovich <svoj@xxxxxxxxxxx>
> > branch nick: 10.0
> > timestamp: Fri 2014-02-14 16:25:41 +0400
> > message:
> > MDEV-5674 - Performance: my_hash_sort_bin is called too often
> > - reduced number of my_hash_sort_bin() calls from 4 to 2 per query.
> > Let MDL subsystem use pre-calculated hash value for hash
> > inserts and deletes.
> > - reduced number of memory accesses done by my_hash_sort_bin()
> No. I thought there's only one, and reviewed the last as usual.
> Now I've looked for it and couldn't find this patch.
> There were few revno:4009 mail, but none about my_hash_sort_bin.
> And few "MDEV-5674" (really MDEV-5675), but none with revno:4009.