4.0.6-300.fc22.x86_64
On Tue, Aug 11, 2015 at 10:24 PM, Yan, Zheng <uker...@gmail.com> wrote:
> On Wed, Aug 12, 2015 at 5:33 AM, Hadi Montakhabi <h...@cs.uh.edu> wrote:
>
>>
>> [sequential read]
>> readwrite=read
>> size=2g
>> directory=/mnt/mycephfs
>> ioengine=libaio
>> direct=1
>> blocksize=${BLOCKSIZE}
>> numjobs=1
>> iodepth=1
>> invalidate=1 # causes the kernel buffer and page cache to be invalidated
>> #nrfiles=1
>> [sequential write]
>> readwrite=write # randread randwrite
>> size=2g
>> directory=/mnt/mycephfs
>> ioengine=libaio
>> direct=1
>> blocksize=${BLOCKSIZE}
>> numjobs=1
>> iodepth=1
>> invalidate=1
>> [random read]
>> readwrite=randread
>> size=2g
>> directory=/mnt/mycephfs
>> ioengine=libaio
>> direct=1
>> blocksize=${BLOCKSIZE}
>> numjobs=1
>> iodepth=1
>> invalidate=1
>> [random write]
>> readwrite=randwrite
>> size=2g
>> directory=/mnt/mycephfs
>> ioengine=libaio
>> direct=1
>> blocksize=${BLOCKSIZE}
>> numjobs=1
>> iodepth=1
>> invalidate=1
>>
>
> I just tried 4.2-rc kernel, everything went well. which version of kernel
> were you using?
>
>
>
>
>
>>
>> On Sun, Aug 9, 2015 at 9:27 PM, Yan, Zheng <uker...@gmail.com> wrote:
>>
>>>
>>> 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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