On 02/01/13 12:46, Michael Colonno wrote:
Gluster gurus ~
I’ve deployed and 8-brick (2x replicate) Gluster 3.3.1 volume on CentOS
6.3 with tcp transport. I was able to build, start, mount, and use the
volume. On each system contributing a brick, however, my CPU usage
(glusterfsd) is hovering around 20% (virtually zero memory usage
thankfully). These are brand new, fairly beefy servers so 20% CPU load
is quite a bit. The deployment is pretty plain with each brick mounting
the volume to itself via a glusterfs mount. I assume this type of CPU
usage is atypically high; is there anything I can do to investigate
what’s soaking up CPU and minimize it? Total usable volume size is only
about 22 TB (about 45 TB total with 2x replicate).
Where are you reading the 20% from?
If it is from the per process line in top, then that 20% is of a single
core/hyperthread. It is not of the whole system.
If you have an otherwise quiescent server and the "Cpu(s)" summary line
at the top says 20%us, then you can extrapolate to under 20% of the
total system.
--
Mr. Flibble
King of the Potato People
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