Hi, This system has 32 GB of RAM additionally OS is RHEL 5. And this system is 16 core. I see new threads are created as the load increases and I have re-checked my system and thread count is now 28. So I think at most 32 threads is fine for me
Regards. On Sun, Feb 20, 2011 at 5:03 AM, Quanah Gibson-Mount <[email protected]> wrote: > --On Saturday, February 19, 2011 6:32 PM -0800 Howard Chu <[email protected]> > 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 > > > -- > > Quanah Gibson-Mount > Sr. Member of Technical Staff > Zimbra, Inc > A Division of VMware, Inc. > -------------------- > Zimbra :: the leader in open source messaging and collaboration >
