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