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Re: (ITS#5469) Assertion failure causes slapd crash



--On Tuesday, April 15, 2008 3:49 PM -0400 John Morrissey <jwm@horde.net> 
wrote:

> On Tue, Apr 15, 2008 at 11:12:20AM -0700, Quanah Gibson-Mount wrote:
>> --On Tuesday, April 15, 2008 5:33 PM +0000 jwm@horde.net wrote:
>> > moduleload pw-netscape
>>
>> What is this?
>
> http://www.openldap.org/devel/cvsweb.cgi/contrib/slapd-modules/passwd/net
> scape.c
>
>> > threads 32
>>
>> How many CPUs does your server have?
>
> Two physical cores, four if you count x86 hyperthread "processors."

So two. ;)  You could set tool-threads to 2 then, it'd increase slapadds if 
you ever do them.

>> This is a particularly high thread setting.  Most often, a lower setting
>> results in better performance (I generally use 8 threads on dual-CPU
>> systems).  Having too many threads has resulted in strange behavior for
>> me in the past as well.
>
> FWIW, slapd has been rock-solid on this hardware with this (or essentially
> similar) configuration since before 2.1.30 up through 2.3.30. We skipped
> forward to 2.3.41, and started seeing these crashes. However, we weren't
> using syncrepl until 2.3.41, either.

Yeah, just noting my past experience.

--Quanah

--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
--------------------
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