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Volker Armin Hemmann <volker.armin.hemmann@××××××××××××.de> wrote: |
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> > Oh, and according to this benchmark |
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> > http://linuxgazette.net/122/piszcz.html |
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> > reiserfs does not deserve its speed fame. |
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> |
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> they tested crap. |
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> |
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> As I wrote in the other mail. XFS and reiserfs turn on barriers by default, |
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> ext3 turns them off. |
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> With barriers on for ext3 it looses 30%(!). reiserfs and xfs don't suffer as |
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> much, but suffer they do. So if the test did not turn on or off barriers for |
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> all fs who support them, ext3 had an unfair advantage. |
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> |
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> And you want barriers. |
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I am not sure what you call "barriers".... |
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ext3 slows down by 400% if you call fsync(2) after copying single files. |
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UFS on Solaris slows down by 10% only because UFS has been optimized for best |
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speed _and_ best data integrity. |
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Jörg |
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-- |
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EMail:joerg@××××××××××××××××××××××××.de (home) Jörg Schilling D-13353 Berlin |
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js@××××××××××××.de (uni) |
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schilling@××××××××××××××××.de (work) Blog: http://schily.blogspot.com/ |
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URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily |