Re: Read from Replica Osds?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



librbd can optionally read from replicas for snapshots and parent
images (i.e. known read-only data). This is controlled via the
following configuration options:

rbd_balance_snap_reads
rbd_localize_snap_reads
rbd_balance_parent_reads
rbd_localize_parent_reads

Direct users of the librados API can also utilize the
LIBRADOS_OPERATION_BALANCE_READS and LIBRADOS_OPERATION_LOCALIZE_READS
flags to control this behavior.

On Mon, May 8, 2017 at 12:04 PM, Mehmet <ceph@xxxxxxxxxx> wrote:
> Hi,
>
> I thought that Clients do also reads from ceph replicas. Sometimes i Read in
> the web that this does only happens from the primary pg like how ceph handle
> writes... so what is True?
>
> Greetz
> Mehmet
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>



-- 
Jason
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux