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Re: Openldap2.4.16 performance issue

Quanah Gibson-Mount <quanah@zimbra.com> writes:

> --On August 19, 2010 8:21:01 PM +0200 Dieter Kluenter
> <dieter@dkluenter.de> wrote:
>> Quanah Gibson-Mount <quanah@zimbra.com> writes:
>>> --On August 19, 2010 9:39:58 PM +0530 "Singh, Devender (GE Capital,
>>> consultant)" <Devender.Singh2@ge.com> wrote:
>>>> I agree with you. Please suggest me what to do for resolution of this
>>>> issue.
>>> Unfortunately, Dieter is ignoring potential issues with known problems
>>> with BDB, and the fact that a number of serious issues were fixed
>>> since OpenLDAP 2.4.16.  Please go answer my list of questions I mailed
>>> you yesterday.
>> Quanah, I quite agree with you, there have been problems with early
>> 2.4 versions of OpenLDAP and BDB, and I am quite aware of the fixed
>> issues since 2.4.13. But let's solve hardware problems first, if
>> there are any.
>> If it is assured that hardware and filesystem as the culprid can be
>> excluded, the focus can put on actual OpenLDAP versions.
> Except for that fact that I know of people who saw this exact issue
> with earlier OpenLDAP versions, and we know for a fact there are
> issues with unpatched BDB 4.7, and there are issues with BDB 4.8 prior
> to 4.8.30.  So it is *extremely* relevant to (a) ensure he is on a
> current release and (b) that he's using a valid BDB version.

and I saw this issue with Linux KVM, RAID5 and xfs a few times.


Dieter Klünter | Systemberatung
sip: 7770535@sipgate.de