Re: Readonly slapd instances sharing database?

[Quanah Gibson-Mount <quanah@stanford.edu>]

--On Wednesday, September 01, 2004 1:28 PM -0500 "D. Lovell" 
<wheretkb@gmail.com> wrote:

> On Wed, 01 Sep 2004 09:50:36 -0700, Kurt D. Zeilenga <kurt@openldap.org>
> wrote:
> > At 08:28 AM 9/1/2004, D. Lovell wrote:
> > > Some of our applications occasionally open enough
> > > connections to the servers that we hit the 1024 file descriptor limit
> > > per slapd process.
> > > On most platforms, the file descriptor limit can be significantly
> > increased.  I suggest you try that.
>
> The file descriptor limit is 8192 for the userid slapd runs as and
> OpenLDAP was built with that FD_SETSIZE (env
> CPPFLAGS="-DFD_SETSIZE=8192").  I have verified that other
> applications running as the slapd userid can grab up to 8192 file
> descriptors.  However, slapd maxes out at 1024 file descriptors every
> time:
>
> Aug 17 16:35:46 sparky slapd[8406]: daemon: 1024 beyond descriptor
> table size 1024
>
> This is on Red Hat ES 3.0.
>
> Is there some other build option that should be included in order
> enable a larger file descriptor limit?
>
> Thank you very much for your response and time.

The operating system itself may be limiting the file descriptor limit that 
a user process can use.  I suggest reading the man page on "sysctl" and 
perhaps tweaking sysctl.conf.

--Quanah

--
Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html