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Re: Fwd: Root cause: Strange OpenLdap performace issue
Tx for the suggestion! We plan to migrate where possible to rhel6, that has included the 2.4.x openldap (and the possibility of hot adding ram and cpu in VM env). We have already tested a multi-master conf. that works fine.
On Fri, May 18, 2012 at 12:48 PM, Nick Milas <email@example.com>
It would not be really feasible to advise anything without *good* knowledge of your environment, but I guess that you have an internal repo that feeds your servers and a mechanism to submit mass commands (e.g. by mass-uploading cron jobs to all servers). (As a side note, it would be interesting to know some basic details on your workflow.)
On 16/5/2012 11:48 ÎÎ, Michele Mase' wrote:
We have to maintain 500+ custom apps and the skill is not so high, so it's better if we don't touch system related packages.
RHEL/CentOS 5 OS has, AFAIK, tight integration with the standard 2.3 package so the base package, in all cases I know, is never replaced/upgraded. Rather, a new package is installed and used using non default system paths. This is the approach followed by Buchan's, Symas' and LTB RPMs for CentOS / RHEL 5. (We are using the LTB packages on all - a small number, compared to yours - our servers, now with v2.4.31.)
So, if you want to use OpenLDAP 2.4.x, plan the change well and take care that your system path uses the new ldap* client executables (for LTB you can see: http://tools.ltb-project.org/issues/408), and there is no problem with leaving system files alone (there is no conflict in having installed even all of the above packages at the same time; it's your decision to decide what will be running/used at any one time!).
Yet, despite the effort to migrate, I can assure you that you are going to see enormous OpenLDAP stability improvement moving from 2.3 to 2.4
I am not a real expert, but I am trying to help based on my experiences. Just 2c.