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Re: 2G tmpfile of sort

From: Chun Cui
Subject: Re: 2G tmpfile of sort
Date: Wed, 20 Sep 2006 21:40:00 +0200

I use Linux(Debian-unstable), version of sort is 'sort 5.93'.

Intel CPU, 2GB Memory
coreutils                         5.2.1-2
gcc (GCC) 3.4.6 20060122 (prerelease) (Debian 3.4.5-2)
kernel-2.6.15 with xfs

but the compiled version is coreutils-5.97.
maybe the version of my coreutil is too old.

in sort.c I have changed here:
/* Create the temporary file in a critical section, to avoid races. */
sigprocmask (SIG_BLOCK, &caught_signals, &oldset); 
fd = mkstemp(file);
if (0 <= fd)
mkstemp(file) -->> mkstemp64(file);

The original error message is:
[1]+  File size limit exceeded nohup sort -S 800M -T ./

the TempFile created by 'sort' is just 2GB, so i thought maybe sort can
not create tempfile > 2GB. 

The newest version of coreutil I have not
tested. ;-(

Chun Cui

> Hash: SHA1
> According to Chun Cui on 9/19/2006 10:36 AM:
> > hello,
> > I sorted a 40GB file with 'sort'.
> > I have found,that sort can't create temp file > 2GB.After i changed
> > mkstemp to mkstemp64,it works!
> Thanks for the report.  Which platform, which compiler, and which
> version of coreutils was this?  If it is still present in coreutils
> 6.2, we would like to get it fixed before 6.3.

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