lkml.org 
[lkml]   [2004]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: A few filesystem benchmarks w/ReiserFS4 vs Other Filesystems
    Fri, Aug 27, 2004 at 05:45:41PM +0200, Bartlomiej Zolnierkiewicz wrote:
    >
    > Hi,
    > > Execute rm -rf linux-2.6.8.1 on each file system.
    > > # -------------------------------------------------------------------- #
    > > ext2 | 10.26 sec @ 22% cpu
    > > ext3 | 10.02 sec @ 25% cpu
    > > jfs | 26.67 sec @ 27% cpu
    > > rs3 | 03.22 sec @ 74% cpu
    > > rs4 | 25.58 sec @ 50% cpu <- What happened to reiserfs4 here?
    > > xfs | 12.51 sec @ 47% cpu
    > > # -------------------------------------------------------------------- #
    > > Create a 500MB file with dd to each filesystem with 1MB blocks.
    > > # -------------------------------------------------------------------- #
    > > ext2 | 15.72 sec @ 26% cpu
    > > ext3 | 17.04 sec @ 31% cpu
    > > jfs | 29.57 sec @ 25% cpu
    > > rs3 | 15.21 sec @ 27% cpu
    > > rs4 | 23.96 sec @ 23% cpu <- What happened to reiserfs4 here?
    > > xfs | 19.07 sec @ 29% cpu

    Your answers somewhere in HCH's "silent semantics" thread.

    Basically reiserfs team aware that they do suck at file DELETES
    and OVERWRITES. There seem to be a way to rectify this perfomance
    issues in future (dynamic repacker?). Altough i was somewhat surprised
    with this dd file benchmark... probably Alexander Zarochentsev knows
    the answer.
    --
    "the liberation loophole will make it clear.."
    lex lyamin
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:05    [W:0.026 / U:61.772 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site