--0-65098359-1232716543=:26208 Content-Type: text/plain; charset=us-ascii

Howard,

I had the monitor enabled. But I could not see nothing related to cache in its output.

I executed the command :

ldapsearch -LLL -x -b "cn=monitor" -H ldap://10.142.15.42:389 > monitor_2.txt

It is supposed to be all information provided by monitor, as I know.

Please see file attached with information.

I still not sure what or which cache is consuming all memory. I do not understand why we place cache size definitions to slapd and it doesn't respect them.

Regards,

Rodrigo.

--- On Thu, 1/22/09, Howard Chu hyc@symas.com wrote:

From: Howard Chu hyc@symas.com Subject: Re: (ITS#5860) slapd memeory leak under openldap 2.4 To: rlvcosta@yahoo.com Cc: openldap-its@openldap.org Date: Thursday, January 22, 2009, 8:36 PM rlvcosta@yahoo.com wrote:

...

Quanah,

I just used tcmalloc but I still with the same

behavior. slapd doesn't

...

have limit for the cache and then it cannot run large

databases.

As a side comment, we have already documented that about 1 million entries is the practical limit for slapd on a 32 bit machine. Since 64 bit machines are so common today, making slapd perform well on a 32 bit machine is no longer a priority.

Also, by design, tcmalloc doesn't release freed memory back to the OS, since it will most likely be needed again. It's normal for the slapd process size to never shrink.

One thing you can check is to add a "database monitor" to your slapd configuration; one of the entries under cn=monitor will report the number of items in the back-bdb cache. Please provide this information here.

-- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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