On Mon, 29 Apr 2019 at 16:37, Burkhard Linke <Burkhard.Linke@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > On 4/29/19 11:19 AM, Rainer Krienke wrote: [...] > > - I also thought about the different k+m settings for a EC pool, for > > example k=4, m=2 compared to k=8 and m=2. Both settings allow for two > > OSDs to fail without any data loss, but I asked myself which of the two > > settings would be more performant? On one hand distributing data to more > > OSDs allows a higher parallel access to the data, that should result in > > a faster access. On the other hand each OSD has a latency until > > it can deliver its data shard. So is there a recommandation which of my > > two k+m examples should be preferred? > > I cannot comment on speed (interesting question, since we are about to In theory the more stripes you have the faster it works overall (IO load is distributed among bigger number of hosts). -- End of message. Next message? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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