On Sun, Aug 9, 2015 at 8:57 AM, Hadi Montakhabi <h...@cs.uh.edu> wrote:
> I am using fio. > I use the kernel module to Mount CephFS. > please send fio job file to us > On Aug 8, 2015 10:52 AM, "Ketor D" <d.ke...@gmail.com> wrote: > >> Hi Haidi, >> Which bench tool do you use? And how you mount CephFS, ceph-fuse or >> kernel-cephfs? >> >> On Fri, Aug 7, 2015 at 11:50 PM, Hadi Montakhabi <h...@cs.uh.edu> wrote: >> >>> Hello Cephers, >>> >>> I am benchmarking CephFS. In one of my experiments, I change the object >>> size. >>> I start from 64kb. Everytime I do different block size reads and writes. >>> By increasing the object size to 64MB and increasing the block size to >>> 64MB, CephFS crashes (shown in the chart below). What I mean by crash is >>> when I do "ceph -s" or "ceph -w" it gets into constantly reporting me >>> reads, but it never finishes the operation (even after a few days!). >>> I have repeated this experiment for different underlying file systems >>> (xfs and btrfs), and the same thing happens in both cases. >>> What could be the reason for crashing CephFS? Is there a limit for >>> object size in CephFS? >>> >>> Thank you, >>> Hadi >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@lists.ceph.com >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> >> > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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