On 31/08/12 20:11, Dietmar Maurer wrote:
RBD waits for the data to be on disk on all replicas. It's pretty easy to relax this to in memory on all replicas, but there's no option for that right now.I thought that is dangerous, because you can loose data? N�����r��y���b�X��ǧv�^�){.n�+���z�]z�{ay� ʇڙ�,j��f���h���z� �w��� ���j:+v���w�j�m��������zZ+��ݢj"��!tml=
And it is not immediately obvious that this is the bottleneck - from what I can see the 'sync' call being used (sync_file_range) is extremely fast and is *not* the major slowdown effect...
Regards Mark -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
