Re: [ceph-users] why not add (offset,len) to pglog

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Yeah, This is good idea for recovery, but not for backfill.
@YaoNing have pull a request about this
https://github.com/ceph/ceph/pull/3837 this year.

2015-12-25 11:16 GMT+08:00 Dong Wu <archer.wudong@xxxxxxxxx>:
> Hi,
> I have doubt about pglog, the pglog contains (op,object,version) etc.
> when peering, use pglog to construct missing list,then recover the
> whole object in missing list even if different data among replicas is
> less then a whole object data(eg,4MB).
> why not add (offset,len) to pglog? If so, the missing list can contain
> (object, offset, len), then we can reduce recover data.
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



-- 
Regards,
Xinze Chi
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