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Date: Thu, 9 Jan 2003 13:02:54 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: /etc/group, /etc/passwd usage by cygwin layer ?
Message-ID: <20030109130254.K23921@cygbert.vinschen.de>
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References: <OF369087C6 DOT CE0AEC18-ONC1256CA9 DOT 003721CB-C1256CA9 DOT 00399372 AT diamond DOT philips DOT com>
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On Thu, Jan 09, 2003 at 11:28:04AM +0100, jurgen DOT defurne AT philips DOT com wrote:
> Hello,
> 
> Are the /etc/group and /etc/passwd files referenced much by cygwin while
> executing programs or doing file accesses ?

Yes, the content of both files is read into memory.  Cygwin needs the
information, especially name, u/gid and SID.

> The only thing I changed yesterday, was copying a new group file, created
> by mkgroup -d. This file is 1669895 bytes large (yes, that is 1.59 Mb), it
> contains 22080 group entries.

*gasp*

> Do you think this should be filed as a bug ?

It doesn't count as a bug but it's a well known problem since... well...
3 years or so.  It's way faster than it was back then but we still don't
have an optimal solution.

Workaround:  Don't use such big files.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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