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ldapmodify hangs on ldif import
I was performing an ldapmodify ldif import today on my test ldap server.
We're migrating from NIS, but while NIS is still live, I periodically
sync the NIS passwords into LDAP by using the PADL migration tools to
dump the NIS passwd/shadow into an ldif and then using ldapmodify to
load into LDAP. We have ~ 1000 users. This morning, it hung on a
particular user, to where slapd was taking up 99.9% CPU and not
responding to any other requests. It required a kill -9. I repeated
the behavior and it hung in the exact same spot. I removed that
particular record from the LDIF and it went a lot farther, but then hung
on another account (again, behavior that I could repeat predictably).
The LDIF records themselves look fine. The slapd log just shows this (a
good record followed by one that hangs):
Aug 11 09:51:18 throne slapd[6061]: conn=45 op=250 MOD
dn="uid=hernandez,ou=People,dc=cis,dc=uab,dc=edu"
Aug 11 09:51:18 throne slapd[6061]: conn=45 op=250 MOD attr=uid mail cn
sn objectClass userPassword shadowLastChange loginShell uidNumber
gidNumber homeDirectory gecos
Aug 11 09:51:18 throne slapd[6061]: conn=45 op=250 RESULT tag=103 err=0
text=
Aug 11 09:51:18 throne slapd[6061]: conn=45 op=251 MOD
dn="uid=carterj,ou=People,dc=cis,dc=uab,dc=edu"
Aug 11 09:51:18 throne slapd[6061]: conn=45 op=251 MOD attr=uid mail cn
sn objectClass userPassword shadowLastChange loginShell uidNumber
gidNumber homeDirectory gecos
[and just hangs here]
The interesting part is that the users it is hanging on would be active
users. It hung on the web server user, and then on this carterj user
who I know is active at the moment. Is this some sort of locking I'm
running into?
I going to crank up the debugging output from slapd, but I was wondering
if what I am seeing is common and has an easy answer. I've done other
imports and have never seen it hang like this, so it's new for me.
Thanks,
Fran
--
Fran Fabrizio
Senior Systems Analyst
Department of Computer and Information Sciences
University of Alabama at Birmingham
http://www.cis.uab.edu/
205.934.0653