bin/89762: [patch] top(1) startup is very slow on system with
many users
Gavin Atkinson
gavin.atkinson at ury.york.ac.uk
Fri May 4 14:50:10 UTC 2007
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
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