Mark, please read this: https://www.mail-archive.com/ceph-users@xxxxxxxxxxxxxx/msg12486.html On 16 Oct 2014, at 19:19, Mark Wu <wudx05@xxxxxxxxx> wrote: > > Thanks for the detailed information. but I am already using fio with rbd engine. Almost 4 volumes can reach the peak. > > 2014 年 10 月 17 日 上午 1:03于 wudx05@xxxxxxxxx写道： > Thanks for the detailed information. but I am already using fio with rbd engine. Almost 4 volumes can reach the peak. > > 2014 年 10 月 17 日 上午 12:55于 "Daniel Schwager" <Daniel.Schwager@xxxxxxxx>写道： > Hi Mark, > > > > maybe you will check rbd-enabled fio > > http://telekomcloud.github.io/ceph/2014/02/26/ceph-performance-analysis_fio_rbd.html > > > > yum install ceph-devel > > git clone git://git.kernel.dk/fio.git > > cd fio ; ./configure ; make -j5 ; make install > > > > Setup the number of jobs (==clients) inside fio config to > > numjobs=8 > > for simulating multiple clients. > > > > > > regards > > Danny > > > > > > my test.fio: > > > > [global] > > #logging > > #write_iops_log=write_iops_log > > #write_bw_log=write_bw_log > > #write_lat_log=write_lat_log > > ioengine=rbd > > clientname=admin > > pool=rbd > > rbdname=myimage > > invalidate=0 # mandatory > > rw=randwrite > > bs=1m > > runtime=120 > > iodepth=8 > > numjobs=8 > > > > time_based > > #direct=0 > > > > > > [seq-write] > > stonewall > > rw=write > > > > #[seq-read] > > #stonewall > > #rw=read > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com Cheers. –––– Sébastien Han Cloud Architect "Always give 100%. Unless you're giving blood." Phone: +33 (0)1 49 70 99 72 Mail: sebastien.han@xxxxxxxxxxxx Address : 11 bis, rue Roquépine - 75008 Paris Web : www.enovance.com - Twitter : @enovance
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