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Re: RE24 (2.4.15) slapd consuming large amounts of CPU

--On Monday, March 23, 2009 2:04 PM -0400 John Morrissey <jwm@horde.net> wrote:

On Wed, Mar 04, 2009 at 12:32:53PM -0800, Quanah Gibson-Mount wrote:
--On Wednesday, March 04, 2009 3:30 PM -0500 John Morrissey
<jwm@horde.net> wrote:
> On Wed, Mar 04, 2009 at 12:13:49PM -0800, Quanah Gibson-Mount wrote:
> > Interseting.  I've seen this sort of CPU usage issue with OpenLDAP
> > 2.3/BDB4.2.52 on Ubuntu 8.  Do you know how BDB 4.7 was built?  I.e.,
> > specifically, did it have the:
> >
> > --enable-posixmutexes --with-mutex=POSIX/pthreads
> >
> > options enabled?
> It's the Debian packaging for BDB 4.7 (only available in sid, but it's
> a simple rebuild to backport to lenny). They do *not* appear to pass
> any mutex-related options to ./configure.

Yeah, that's a major problem in using Debian's builds of BDB.  You want
those options sent to configure when using BDB on Linux NPTL systems.

FWIW, I've filed http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=520926 against the Debian BDB 4.7 packaging.

Thanks. I've send in a comment that they can review the discussion about this in <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=421946> as well.



Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
Zimbra ::  the leader in open source messaging and collaboration