[Date Prev][Date Next] [Chronological] [Thread] [Top]

Re: threads and concurrency

--On Saturday, February 19, 2011 6:32 PM -0800 Howard Chu <hyc@symas.com> wrote:

Omer Faruk SEN wrote:
Hi ,

I have and ldap server (openldap-2.4.23 ) in slapd.conf I set

concurrency  8192
threads 256

Keep in mind that each thread uses a thread stack of 4MB on 32 bit
systems, 8MB on 64 bit systems. So you're looking at 1-2GB of RAM
dedicated to the threads with a setting like this. Make sure you don't
configure more threads than you have RAM for...

I would add that your threads setting is likely a rather insane value unless you have 256*4 cores (1024 core box). You generally don't need to set the threads value higher than 8 or 16.



Quanah Gibson-Mount
Sr. Member of Technical Staff
Zimbra, Inc
A Division of VMware, Inc.
Zimbra ::  the leader in open source messaging and collaboration