Hello,
switching from 3.4.2 to 3.6.2 reduces our average test performance dramatically.
Our test setup: directly connected 1 GBit/s hosts setup with:
rm -rf /home/gluster/.glusterfs/
rm /home/gluster/*
setfattr -x trusted.glusterfs.volume-id /home/gluster/
setfattr -x trusted.gfid /home/gluster/
gluster volume create xfs-plain replica 2 transport tcp vmhost1-cluster1:/home/gluster vmhost2-cluster1:/home/gluster
gluster volume start xfs-plain
Afterwards we run our near real world test
mount -t glusterfs vmhost1-cluster1:/xfs-plain /mnt/gluster/
while true; do dd if=redmine-from-ceph-20150204 of=/mnt/gluster/testvm bs=1M; rm /mnt/gluster/testvm; done
The results are
3.4.2: ~71-72 MiB/s [ubuntu 14.04]
3.6.2: ~59-64 MiB/s [gluster-3.6 ppa]
We have removed 3.6.2 and re-installed 3.4.2 and can consistently reproduce
these numbers over hours of testing.
Is there any configuration change that we need to incorporate to run
3.6.2 faster or is this a known problem?
Cheers,
Nico
--
New PGP key: 659B 0D91 E86E 7E24 FD15 69D0 C729 21A1 293F 2D24
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