I am using fio. I use the kernel module to Mount CephFS. 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 >> >> >
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