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Re: SPARSE files considered harmful - please revert
- From: Ljubomir Josifovski <lbj at cre dot canon dot co dot uk>
- To: cygwin at cygwin dot com
- Date: Wed, 21 May 2003 12:03:34 +0100
- Subject: Re: SPARSE files considered harmful - please revert
- References: <email@example.com.HOWL>
For the ignorant folk like me - does...
On Sun, May 18, 2003 at 03:04:44PM -0700, Martin Buchholz wrote:
> This patch is a bad idea.
> 2003-02-18 Vaclav Haisman <V.Haisman@sh.cvut.cz>
> * fhandler_disk_file.cc: Include winioctl.h for DeviceIoControl.
> (fhandler_disk_file::open): Set newly created and truncated files as
> sparse on platforms that support it.
> As someone on the mailing list asked, "If making every file sparse is
> such a good idea, why isn't it the default?".
> My experience has been that for me, sparse files take up much more
> disk space than non-sparse files, and are also signicantly slower.
...mean that by default, every file created by a cygwin app takes
at least 16 (NTFS?) clusters? Was this always the case, or is it
a recent thing?
(my cygwin1.dll is
948k 2003/03/18 C:\cygwin\bin\cygwin1.dll
Cygwin DLL version info:
DLL version: 1.3.22
DLL epoch: 19
DLL bad signal mask: 19005
DLL old termios: 5
DLL malloc env: 28
API major: 0
API minor: 78
Shared data: 3
DLL identifier: cygwin1
Mount registry: 2
Cygnus registry name: Cygnus Solutions
Cygwin registry name: Cygwin
Program options name: Program Options
Cygwin mount registry name: mounts v2
Cygdrive flags: cygdrive flags
Cygdrive prefix: cygdrive prefix
Cygdrive default prefix:
Build date: Tue Mar 18 09:20:11 EST 2003
CVS tag: dontuse-21
Shared id: cygwin1S3
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