On Fri, Aug 11, 2017 at 9:55 PM, Andres Freund <and...@anarazel.de> wrote:
> Well, most of the potential usecases for dsmhash I've heard about so
> far, don't actually benefit much from incremental growth. In nearly all
> the implementations I've seen incremental move ends up requiring more
> total cycles than doing it at once, and for parallelism type usecases
> the stall isn't really an issue.  So yes, I think this is something
> worth considering.   If we were to actually use DHT for shared caches or
> such, this'd be different, but that seems darned far off.

I think it'd be pretty interesting to look at replacing parts of the
stats collector machinery with something DHT-based.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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