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Re: cygwin (pipes?) VERY slow on Windows Server 2003 / AMD Athlon 64
- From: Larry Hall <lh-no-personal-replies-please at cygwin dot com>
- To: Peter van Heusden <pvh at wfeet dot za dot net>, cygwin at cygwin dot com
- Date: Wed, 13 Apr 2005 11:45:04 -0400
- Subject: Re: cygwin (pipes?) VERY slow on Windows Server 2003 / AMD Athlon 64
- References: <425CF9E7.2000609@wfeet.za.net>
- Reply-to: Cygwin List <cygwin at cygwin dot com>
At 06:52 AM 4/13/2005, you wrote:
>Hi all
>
>I've been trying to understand why startup and certain commands of my
>cygwin installation are very slow, and it seems to come down to the
>pipes. For instance, this command:
>
>$ time cat /etc/motd |cat
>Fanfare!!!
>You are successfully logged in to this server!!!
>
>real 0m9.744s
>user 0m0.000s
>sys 0m0.000s
>
>takes nearly 10 seconds! 'ls -l |sort' takes 9.76 seconds. Another contrast:
>sort /etc/profile: 0.019 seconds. cat /etc/profile: 0.020 seconds. cat
>/etc/profile | sort: 40.5 seconds!
>
>Does anyone have any clues as to what could be causing this? The cygwin
>I'm using is the latest installed from the mirror at ftp://ftp.is.co.za.
>Output of cygcheck -s -v -r attached.
Actually, you ran with Cygwin 1.5.13 for this test despite the fact that
you actually installed 1.5.14 via 'setup.exe' the last time you ran it.
But I expect that's of little consequence. I could not reproduce the
problem on W2K Pro or XP Pro with either 1.5.13 or the latest snapshot
(4/12). I don't see anything obviously wrong with your configuration
but there's something going on here. Do you have a local copy of 'sort'
in your '/usr/local/bin'?
--
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
838 Washington Street (508) 893-9889 - FAX
Holliston, MA 01746
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