At Wed, 4 Mar 2020 09:56:55 -0500, David Steele <da...@pgmasters.net> wrote in > On 2/28/20 3:06 AM, Kyotaro Horiguchi wrote: > > Hello, this is a follow-on of [1] and [2]. > > Currently the executor visits execution nodes one-by-one. Considering > > sharding, Append on multiple postgres_fdw nodes can work > > simultaneously and that can largely shorten the respons of the whole > > query. For example, aggregations that can be pushed-down to remote > > would be accelerated by the number of remote servers. Even other than > > such an extreme case, collecting tuples from multiple servers also can > > be accelerated by tens of percent [2]. > > I have suspended the work waiting asyncrohous or push-up executor to > > come but the mood seems inclining toward doing that before that to > > come [3]. > > The patchset consists of three parts. > > Are these improvements targeted at PG13 or PG14? This seems to be a > pretty big change for the last CF of PG13.
It is targeted at PG14. As we have the target version in CF-app now, I marked it as targetting PG14. Thank you for the suggestion. regards. -- Kyotaro Horiguchi NTT Open Source Software Center
