[Gluster-users] Write performance tragically slow
Pavel Snajdr
snajpa at snajpa.net
Thu Nov 11 02:23:49 UTC 2010
Hello,
I imagine you get this kind of messages all the time, but just in case:
I have setup with 2 storage servers with debian package of gluster -
version 3.1.0
They are connected by dedicated 1 gigabit ethernet cards.
I've set up simple replicated storage with 2 replicas and transport over
TCP (just followed the how to on the wiki with obvious changes).
Here goes my problem:
If I try to copy small files (i.e. extract kernel source) I get a
horrible results:
praha-storage2:/mnt/test# time tar xf linux-2.6.26.8.tar.bz2
real 15m19.825s
user 0m13.989s
sys 0m5.152s
likewise when rsyncing OpenVZ VPSes - I just can't get over 2MB/s in
syncing.
I've monitored all resources - CPU load, network, disk I/O - they are
all used up to 0.00000nothing %.
Network latency is about 0.11 ms all the time.
Is this normal, or am I doing something wrong?
Please help. I am frustrated :(
--
S pozdravem / Best Regards
Pavel Šnajdr
+420 720 107 791
http://vpsfree.cz
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