bin/89762: [patch] top(1) startup is very slow on system with many users

[Gavin Atkinson]

The following reply was made to PR bin/89762; it has been noted by GNATS.

From: Gavin Atkinson <gavin.atkinson at ury.york.ac.uk>
To: bug-followup at FreeBSD.org, ob at e-gitt.net
Cc:  
Subject: Re: bin/89762: [patch] top(1) startup is very slow on system with
	many users
Date: Fri, 04 May 2007 15:43:51 +0100

 This is still a problem with 6.2-STABLE.  On a 2.2GHz amd64 machine with
 ~20,000 NIS users, "top -b" takes 74 seconds before displaying any
 output and generates significant load on the NIS servers.
 
 wiggum# time top -b
 last pid: 1742; load averages: 0.00, 0.00, 0.00 up 36+03:20:25  15:39:47
 32 processes:  1 running, 31 sleeping
 
 Mem: 82M Active, 191M Inact, 108M Wired, 213M Buf, 1498M Free
 Swap: 3072M Total, 3072M Free
 [process list snipped]
 
 0.243u 0.719s 1:14.88 1.2%      60+1253k 0+0io 0pf+0w
 
 Gavin