(CC'ing Igor) On 16 April 2018 at 07:56, 马少楠 <shaonan.ma@xxxxxxxxx> wrote: > 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 -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html