Re: [ceph-users] Cephfs on an EC Pool - What determines object size

2019-05-02 Thread Daniel Williams
Thanks so much for your help! On Mon, Apr 29, 2019 at 6:49 PM Gregory Farnum wrote: > Yes, check out the file layout options: > http://docs.ceph.com/docs/master/cephfs/file-layouts/ > > On Mon, Apr 29, 2019 at 3:32 PM Daniel Williams > wrote: > > > > Is the 4MB configurable? > > > > On Mon, Apr

Re: [ceph-users] Cephfs on an EC Pool - What determines object size

2019-04-29 Thread Gregory Farnum
Yes, check out the file layout options: http://docs.ceph.com/docs/master/cephfs/file-layouts/ On Mon, Apr 29, 2019 at 3:32 PM Daniel Williams wrote: > > Is the 4MB configurable? > > On Mon, Apr 29, 2019 at 4:36 PM Gregory Farnum wrote: >> >> CephFS automatically chunks objects into 4MB objects b

Re: [ceph-users] Cephfs on an EC Pool - What determines object size

2019-04-29 Thread Daniel Williams
Is the 4MB configurable? On Mon, Apr 29, 2019 at 4:36 PM Gregory Farnum wrote: > CephFS automatically chunks objects into 4MB objects by default. For > an EC pool, RADOS internally will further subdivide them based on the > erasure code and striping strategy, with a layout that can vary. But > b

Re: [ceph-users] Cephfs on an EC Pool - What determines object size

2019-04-29 Thread Gregory Farnum
CephFS automatically chunks objects into 4MB objects by default. For an EC pool, RADOS internally will further subdivide them based on the erasure code and striping strategy, with a layout that can vary. But by default if you have eg an 8+3 EC code, you'll end up with a bunch of (4MB/8=)512KB objec

[ceph-users] Cephfs on an EC Pool - What determines object size

2019-04-28 Thread Daniel Williams
Hey, What controls / determines object size of a purely cephfs ec (6.3) pool? I have large file but seemingly small objects. Daniel ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com