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RE: slapd-bdb cachesize



On Wed, 12 Mar 2003, Howard Chu wrote:

> There appears to be a memory leak in slapd related to modifying entries,
> adding new values to attributes. I've fixed it in CVS HEAD. The fix for
> 2.1.15 is a bit different, will appear later.

Thanks!

> As I mentioned before, if you suspect a memory leak, then you should get hold
> of a malloc debugging tool and try to verify whether a leak actually exists
> or not. If you're running on Linux, my hack of FunctionCheck (version 1.5.1)
> is pretty useful for this purpose. It's what I use to track these issues.
>   http://highlandsun.com/hyc/fncchk151.tgz
>

Well, I use Solaris so this will not work for me.  I located CSRIMALLOC
and I will try to rebuild openldap.  Do you have any other debugger
recommendations?

-igor


> You can use it too. Please do.
>
>   -- Howard Chu
>   Chief Architect, Symas Corp.       Director, Highland Sun
>   http://www.symas.com               http://highlandsun.com/hyc
>   Symas: Premier OpenSource Development and Support
>
> > -----Original Message-----
> > From: owner-openldap-software@OpenLDAP.org
> > [mailto:owner-openldap-software@OpenLDAP.org]On Behalf Of Tino Lange
>
> > Hi Igor!
> >
> > Good to hear someone has the same problem.
> > I also realized that my slapd is constantly growing, to IMHO rather
> > unexpected sizes.
> >
> > But: despite questioning this list unfortunately noone
> > answered so far,
> > whether this is normal behaviour or not
> > (See my postings: "BDB log.xxx Files" thread started 26.02.2003 17:25
> > and later seperately as "slapd memory usage (was: Re: BDB log.xxx
> > Files)" started 28.02.2003 15:57)
> >
> > In those mails you can find details about my setup.
> > My slapd's start with about 2.5 MB and grow by time slowly
> > quite some MB
> > a day (in the first days faster of course, this seems to be
> > the normal
> > caching). When it reaches about 300 MB I restart the process
> > (which is
> > much more than one MB for each entry in the database!!!)
> >
> > Meanwhile I tried inserting the checkpoint option in
> > slapd.conf to avoid
> > also using lots of diskspace, this works fine so far, but
> > doesn't seem
> > to reduce the memory hunger.
> >
> > I also recompiled OpenLDAP with the new BDB related patch for
> > Berkeley
> > DB (4.1.25.1) - but this doesn't seem to help, too.
> >
> > Could you please give some more information about your setup, your
> > database, your indices, your usage - so we can compare and
> > collect this
> > information? Maybe the others on the list can give us more
> > hints then, -
> > the more they know the better they might help us, hopefully.
> >
> > Best regards
> >
> > Tino
> >
> >
>
>

-- 
Igor