Hi! >An interesting benchmark would be to compare "Ceph SSD journal" + "ext4 on >spinner" >versus "Ceph without journal" + "ext4 on spinner with external SSD >journal". >I won't be surprised if the second outperformed the first - you are actually >making >the whole setup much simpler and Ceph is mostly CPU bound. My bet is on ext4.
Well, it's worth to try! Maybe I'll do such kind of setup in spare time. And write about results, of course. What IO patterns to test? Megov Igor CIO, Yuterra ________________________________________ От: Jan Schermer <j...@schermer.cz> Отправлено: 7 августа 2015 г. 18:00 Кому: Межов Игорь Александрович Копия: Burkhard Linke; ceph-users@lists.ceph.com Тема: Re: [ceph-users] НА: Different filesystems on OSD hosts at the samecluster Jan _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
