[Gluster-users] glusterFS performance
jayakrishnan.mm at gmail.com
Mon Feb 1 06:43:29 UTC 2016
I have two server nodes, gluster1 & gluster2 ,running on Ubuntu 14.04,
and is using gluster ver 3.7.6 . I am using fio tools ver 2.6 for
testing performance.(IO engine= libaio)
gluster1 server node is a high performance CPU (8 core , i7/3.4GHz)
with SSD (random rw performance without glusterFS is ~14MB/s with ext4
FS, 150 GB ), while
gluster2 is a Pentium g840 CPU (2 core, 2.8GHz) with a WD HDD of 1 TB
size.(random rw performance without glusterFS is ~500KB/s only with ext4).
1. I see gluster1 seq read performance is much higher than gluster 2.
See below data(in KB/s).Is this because gluster1 CPU is better and it
is using SSD ?(replica 2)
Seq. read Seq. write
gluster1 319882 83253
gluster2 135931 61059
2. I also see gluster2 performs well when configured as distributed
volumes, compared to gluster1. Why is it so ? Pls see the below
random read random write
gluster1 1029 1027
gluster2 3358 3353
Expecting experts' answer.
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