[Linux-cluster] GFS on 2.6.8.1 more simple performance numbers
Daniel McNeil
daniel at osdl.org
Tue Oct 19 00:39:14 UTC 2004
On Mon, 2004-10-18 at 14:38, Kevin Anderson wrote:
[snip]
>
> Can you rerun the ext3 numbers to the same storage as GFS? Would also
> be interesting to run from two nodes simultaneously to separate ext3
> filesystems on the storage as well? Doing dd's of the logical
> partitions would also be interesting to see what bandwidth the storage
> is capable of providing, first single node then simultaneous from both
> nodes.
>
Partial ext3 results:
ext3 on 5 disk stripe
=====================
time tar xf /Views/linux-2.6.8.1.tar; time sync
real 0m5.221s user 0m0.442s sys 0m4.238s
real 0m8.214s user 0m0.000s sys 0m0.390s
(1st time)time du -s linux-2.6.8.1/
226916 linux-2.6.8.1/
real 0m2.888s user 0m0.035s sys 0m0.288s
time rm -rf linux-2.6.8.1/
real 0m2.131s user 0m0.022s sys 0m0.821s
data=writeback
--------------
time tar xf /Views/linux-2.6.8.1.tar; time sync
real 0m5.443s user 0m0.439s sys 0m4.056s
real 0m8.774s user 0m0.001s sys 0m0.388s
time rm -rf linux-2.6.8.1/; time sync
real 0m1.127s user 0m0.035s sys 0m1.012s
time du -s linux-2.6.8.1/
226916 linux-2.6.8.1/
real 0m2.741s user 0m0.058s sys 0m0.281s
data=log
========
time rm -rf linux-2.6.8.1/; time sync
real 0m2.106s user 0m0.024s sys 0m0.824s
time du -s linux-2.6.8.1/
226916 linux-2.6.8.1/
real 0m2.738s user 0m0.025s sys 0m0.312s
time tar xf /Views/linux-2.6.8.1.tar; time sync
real 0m22.784s user 0m0.445s sys 0m4.639s
real 0m1.234s user 0m0.001s sys 0m0.248s
Daniel
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