Hi List,
I am a beginner, and now I am testing performance of rados of ceph. I
use the ioengine of rados but when I used the example in Github, the
ceph pool is empty as following:
data:
pools: 1 pools, 100 pgs
objects: 0 objects, 0 bytes
usage: 72611 MB used, 349 TB / 349 TB avail
pgs: 100 active+clean
$ ceph df
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
349T 349T 72611M 0.02
POOLS:
NAME ID USED %USED MAX AVAIL OBJECTS
ecpool 1 0 0 221T 0
And my configure file rados.job is as following:
[global]
ioengine=rados
clientname=admin
pool=ecpool
busy_poll=0
rw=write
bs=4M
[job1]
size=100G
io_size=100G
iodepth=2048
I want to know whether the result that fio got could be considered
effective without any ojbect been written in the pool.
And I want to ask what I need to do if I want to test parallel reading
and write of rados. Should I create N pools in ceph and create N jobs
in fio configure file?
Thanks.
Regards,
Shaonan Ma
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