Re: Issues in Performance Tesing of OpenLDAP using SLAMD

[Quanah Gibson-Mount <quanah@zimbra.com>]

--On Wednesday, November 19, 2008 2:24 PM -0800 Howard Chu <hyc@symas.com> 
wrote:


> You haven't provided the basic information about server configurations or
> platform or software versions. You haven't provided any information on
> your data characteristics or query types. You haven't provided any
> information on the network topology, client load generator
> characteristics, etc.
>
> Without such basic information, it's impossible to give any meaningful
> advice.

Another particular would be memory management software.  As noted in 
previous benchmarking trials(1), the default glibc memory allocator does a 
terrible job, and using something like hoard or tcmalloc to replace it is 
recommended.

(1) <http://www.openldap.org/pub/hyc/scale2007.pdf>

--Quanah

--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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