On 05/29/2017 10:08 AM, David Turner wrote:
If you aren't increasing your target max bytes and target full ratio,
I wouldn't bother increasing your pgs on the cache pool. It will not
gain any increased size at all as its size is dictated by those
settings and not the total size of the cluster. It will remain as
redundant as always.
If you are set on increasing it, which I don't see a need for, then I
would recommend removing it as a cache pool, increase the PG count,
and then add it back in. You will need to stop all clients that are
accessing the EC rbd pool during this process.
Thanks for consult.
On what number of OSDs I should think about increasing of PG count on
ec_cache pool?
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