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nscd/openldap issue

Forgive me if this isn't the correct place to post what may be an issue
with nscd, but I haven't been able to even find anyone who's reported this

We're running openldap 2.0.23 on a Solaris 8 box.  Our mail server,
running Linux, uses nss_ldap to house accounts.  With 2600+ users, use of
nscd is practically a necessity.  (Nothing like 1k procmail processes
starting up during a mailing list delivery...)

It works fairly well, with one exception: every now and then (seems
random), nscd just stops responding.  No procs can even be spawned on the
machine until it's threads are killed with a -9.  There's no explanation
for why this happens, nothing in any logs, LDAP hasn't gone down, etc.

I'd appreciate any tips - I've now had to write a cronjob that dumps LDAP
into /etc/passwd every 30 mins to provide a "homegrown nscd replacement,"
and that's just plain ugly.


John Madden
UNIX Systems Engineer
Ivy Tech State College