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From: mmead@Glock.COM (matthew c. mead)
Newsgroups: comp.unix.questions,comp.unix.bsd.misc,comp.unix.bsd.bsdi.misc
Subject: Re: help with 'w'
Date: 23 Jun 1995 05:47:22 GMT
Organization: Glock Telecommunications
Lines: 20
Message-ID: <MMEAD.95Jun23014722@Glock.COM>
References: <3schl4$120@news.mtu.edu>
NNTP-Posting-Host: glock.com
NNTP-Posting-User: mmead
In-reply-to: babucher@mtu.edu's message of 22 Jun 1995 19:52:04 GMT
> What would slow down ONLY the w command while everything else
> on the system (that I've tried) continues to run smoothly.
> I type w and hit return, and it takes over a minute for there
> to be any output from the w command concerning the users...
> it gives the load average fine.
If you're running 4.4 BSD, the entries in the utmp file are now ip
addresses if longer than a given limit. Thus when you use "w," it's doing
a gethostbyname() on each of those to give you a hostname. Hope this
helps...
-matt
--
Matthew C. Mead | Network Administration: Virginia Tech Center for
| Transportation Research -> mmead@ctr.vt.edu
mmead@Glock.COM | Network Administration and Software Development
http://www.Glock.COM/~mmead/ | Consulting: BizNet Technologies -> mmead@bnt.com