slow password changes

From: Deborah Crocker (crock@bama.ua.edu)
Date: Fri May 24 2002 - 14:18:51 EDT


We have an E6000 running Solaris 7 11/99.

There are approximately 30,000 entries in /etc/passwd.
Password entry in nsswitch.conf is:
passwd: files

It takes about 9 seconds to change a password when answering the prompt
automatically, say with Expect. In fact, when root tries to change a
password, it takes about 6 seconds for the "New Password:" prompt to
even appear. This seems quite slow.

At our university, we anticipate that we'll have students registering this
summer who will sit down in a lab and, through a web-based interface,
change their passwords. We have a way to queue up changes, but if the
last person to send their change request in a room of about 20 people,
who have all started about the same time, has to wait up to 3 minutes
for their password to get set, that seems unacceptable.

Any ideas on how to speed this up (safely).?

Thanks

D. Crocker

***********************************************************************
     Deborah Crocker, Ph.D. deborah.crocker@ua.edu
     Unix System Project Leader http://bama.ua.edu/~crock
     Seebeck Computer Center 205-348-3758
     University of Alabama Fax: 205-348-3993
     Box 870324
     Tuscaloosa, AL 35487
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