Hi, Ian! Thank you for your reference!
Could you comment on the following rule: object_size = stripe_unit * stripe_count Or it is not necessarily so? I refer to page 8 in this report: https://indico.cern.ch/event/531810/contributions/2298934/at tachments/1358128/2053937/Ceph-Experience-at-RAL-final.pdf Alexander. On Wed, Oct 11, 2017 at 1:11 PM, <ian.john...@stfc.ac.uk> wrote: > Hi Gregory > > You’re right, when setting the object layout in libradosstriper, one > should set all three parameters (the number of stripes, the size of the > stripe unit, and the size of the striped object). The Ceph plugin for > GridFTP has an example of this at https://github.com/stfc/gridFT > PCephPlugin/blob/master/ceph_posix.cpp#L371 > > > > At RAL, we use the following values: > > > > $STRIPER_NUM_STRIPES 1 > > $STRIPER_STRIPE_UNIT 8388608 > > $STRIPER_OBJECT_SIZE 67108864 > > > > Regards, > > > > Ian Johnson MBCS > > Data Services Group > > Scientific Computing Department > > Rutherford Appleton Laboratory > > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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