Re: SLAPD denial of connections under load

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

--On Wednesday, August 11, 2004 8:43 PM -0400 James Courtney 
<Jcourtney@inphonic.com> wrote:

> Better as it's own thread...
>
>
>
> Our other problem is that under high load from the mail server we see
> that Maildrop claims it cannot connect to the LDAP server.  They are on
> the same system and Maildrop connects to localhost rather than going out
> over the network and back.  Maildrop's ldap_simple_bind_s is returning 81
> (0x51) which is defined as the constant LDAP_SERVER_DOWN.  The server has
> been up for 24 hours now and is generally responsive though so this is
> confusing.  Under what conditions would slapd not accept a network
> connection?  Threads + backlog exceeded?

I suggest you separate the mail server from the LDAP server.  The high load 
on the system from the mail delivery agent may be preventing slapd from 
responding.

--Quanah

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