Re: OL2.3 vs OL2.4 perf issues

[Emmanuel Lecharny <elecharny@apache.org>]

Quanah Gibson-Mount wrote:
> I've been spending some time perf testing OL 2.4 in relation to OL 
> 2.3. Unfortunately, RE24 is noticeably slower than 2.3 was.  Results 
> of simple auth testing with slamd show:
>
> OL 2.3: 21,745 auths/second
>
> OL 2.4: 15,733 auths/second
>
> So OL 2.4 is 6,000 auths/second (aka 12,000 searches/second) slower 
> than 2.3.  I.e., 27% slower.
>
> Howard committed a patch that slightly helps some situations, and 
> Hallvard has a rewrite of part of the lber library that I've been 
> testing that he'll commit soon.  That helps somewhat:
>
> OL 2.4 with howard and hallvard's patches: 17,086 auths/second.
>
> That still leaves us over 4,500 auths/second (or 9000 searches/second) 
> slower than RE2.3. I.e., 21.5% slower.  Which is quite a substantial gap.

Any info about the infra you are running this test ?

Thanks !
> --Quanah
>
> --
>
> Quanah Gibson-Mount
> Principal Software Engineer
> Zimbra, Inc
> --------------------
> Zimbra ::  the leader in open source messaging and collaboration


--
--
cordialement, regards,
Emmanuel Lécharny
www.iktek.com
directory.apache.org