Quanah, Thanks for the info, I have confirmed I'm hitting the lock maxes of
1000. And I will be upgrading to 2.4.32. I was wondering, what steps should
be done to have the changes in DB_CONFIG take effect?

stop slapd
make changes to DB_CONFIG
db_recover
start slapd

Will this also auto remove the log.* files? ( I plan on setting this:
"set_flags DB_LOG_AUTOREMOVE" in DB_CONFIG)

Thanks! - Kyle

2012/8/28 Quanah Gibson-Mount <qua...@zimbra.com>

> --On Tuesday, August 28, 2012 9:27 AM -0400 Kyle Smith <
> alacer.cogita...@gmail.com> wrote:
>
>  Good Morning All,
>>
>> I receive events that mention "attribute memberUid index add failure".
>> What does this mean? Once I notice these events, I have to restart
>> slapd, as writes will not be performed and CPU usage hits 99%
>> continuously.  It seems to be associated with a high load, as our
>> semester just got underway and we are seeing an increase in logins and
>> searches (about 150-200 requests per minute). I am using the bdb
>> backend.
>>
>> Specifications
>>
>> OpenLDAP 2.4.28 and 2.4.26
>> 4-way multi-master
>>
>
> If you are using MMR, you desperately need to upgrade your OpenLDAP
> Versions... aside from the error you are seeing is pretty typical from BDB
> if you have run out of locks, lockers, or locker objects.  You should check
> out db_stat to see which resource you have run out of, and fix it
> accordingly.
>
> You may with to read over <https://wiki.zimbra.com/wiki/**
> OpenLDAP_Performance_Tuning#**Berkeley_DB_DB_CONFIG_tuning<https://wiki.zimbra.com/wiki/OpenLDAP_Performance_Tuning#Berkeley_DB_DB_CONFIG_tuning>
> >
>
> Regards,
> 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
>

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