Yes. The only "difference" is that the number of replicas is k+n combined.
So if you have 6+2, then each PG will reside on 8 osds. The limitation is
how many PGs an osd daemon is responsible for which directly impacts its
memory requirements.

On Thu, Aug 3, 2017, 6:32 AM Zhao Damon <yijun.z...@outlook.com> wrote:

> Hi everyone:
>
> I just wonder is erasure-code-pool’s pg num calculation rule same as
> common pool?
>
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