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Message #06908
Re: MDEV-5674 - Performance: my_hash_sort_bin is called too often
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.
Regards,
Sergei
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