Messages in this thread | | | From | Daniel Podlejski <> | Subject | Re: reiserfs, xfs, ext2, ext3 | Date | Fri, 11 May 2001 00:23:09 +0200 |
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On linux-kernel, ak@suse.de (Andi Kleen) wrote: : On one not very scientific test: unpacking and deleting a cache hot 40MB/230MB : gzipped/unzipped tar on ext2 and xfs on a IDE drive on a lowend SMP box. : : XFS (very recent 2.4.4 CVS, filesystem created with mkxfs defaults) : : > time tar xzf ~ak/src.tgz : real 1m58.125s : user 0m16.410s : sys 0m44.350s : > time rm -rf src/ : real 0m50.344s : user 0m0.190s : sys 0m13.950s : : ext2 (on same kernel as above) : : > time tar xzf ~ak/src.tgz : : real 1m26.126s : user 0m16.100s : sys 0m36.080s : : > time rm -rf src/ : : real 0m1.085s : user 0m0.160s : sys 0m0.930s
And another test:
ext2:
root@witch:/mobile:# time tar xzf /arc/test.tar.gz
real 5m25.249s user 1m33.430s sys 0m31.710s
root@witch:/mobile:# time rm -rf test/
real 0m8.843s user 0m0.000s sys 0m0.420s
xfs:
root@witch:/mobile:# time tar xzf /arc/test.tar.gz
real 5m23.744s user 1m34.800s sys 0m39.100s root@witch:/mobile:# time rm -rf test/
real 0m1.364s user 0m0.030s sys 0m0.430s
test.tar.gz is tree created by script:
#!/bin/bash
for lev1 in aa bb cc dd ee ff gg hh ii jj kk ll do
mkdir $lev1 cd $lev1
for lev2 in 0 1 2 3 4 5 6 7 do mkdir $lev2 cd $lev2
for fname in a b c d e f g h i do dd if=/dev/urandom of=$fname bs=4k count=1024 done
cd .. done
cd .. done
-- Daniel Podlejski <underley@underley.eu.org> ... When you're talkin to yourself and nobody's home You can fool yourself, you came in this world alone ... - 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/
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