[krbdev.mit.edu #8027] Client RPC timeout during kadmin listprincs command

[Tsu-Phong Wu via RT]

Thanks for the reply.

Our current version is 1.8.6 (and an older version 1.4 something) and apparently we'll have issues there.

Is there a bug# on this LDAP KDB performance and do you happen to know how big the effort is to port it to pre-1.9?

Thanks.
Tsu-Phong

----- Original Message -----
From: rt-comment at krbdev.mit.edu
Sent: Tuesday, October 21, 2014 11:44:54 AM GMT -08:00 US/Canada Pacific
Subject: [krbdev.mit.edu #8027] Client RPC timeout during kadmin listprincs command

Before we commit to changing the default or making it configurable, I would 
like to know what version of Kerberos is being used on the back end.  Prior 
to release 1.9, the LDAP KDB module takes O(N^2) time to iterate over N 
principals due to a combination of questionable design features.  It is 
possible that retrieving even a hundred thousand principal names could be 
done in less than 120 seconds without this bug.

If we do need to make a change, I would suggest using a very long timeout 
or (if possible) disable the timeout entirely.  Since kadmin runs over TCP, 
there isn't really a strong need to time out if kadmind takes a long time 
to respond.
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