Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: coreutils (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/846628
Title:
gnu sort extremely slow in non C locale
Status in coreutils package in Ubuntu:
Confirmed
Bug description:
I tried sorting an ascii file of about 300 Megs and 8 million lines
with gnu sort and it was taking forever.
After 10 minutes I stopped it. I tried another sort program and it
finished in about 40 seconds.
I then took the output of that second sort and I checked it in gnu
sort, which reported that some lines were out of order.
The following lines:
....bbbbbbbbbwbbwwbwwwwwww.ww...1
....bbbbbbbbbwbbwwbwwwwwwwww....0
....bbbbbbbbbwbwwbwbwwwww.ww..w.1
But they are not as far as I can tell. Then I thought the problem was the
locale. Indeed my locale was set to:
LANG=en_CA.UTF-8
setting it to:
LANG=C
both made gnu sort finish the sort in 40 seconds, and confirm the
proper order.
Since the file is %100 ASCII (it only has the 6 characters ".01bw\n" I
think this is a bug, that the locale should make any difference.
Best regards,
Bijan
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: coreutils 8.5-1ubuntu6
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
Architecture: i386
Date: Sat Sep 10 15:59:07 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
LANGUAGE=en_CA:en
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: coreutils
UpgradeStatus: No upgrade log present (probably fresh install)
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