Re: speeding up planning with partitions

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
Cc: Floris Van Nee <florisvannee(at)optiver(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Imai Yoshikazu <yoshikazu_i443(at)live(dot)jp>, "jesper(dot)pedersen(at)redhat(dot)com" <jesper(dot)pedersen(at)redhat(dot)com>, "Imai, Yoshikazu" <imai(dot)yoshikazu(at)jp(dot)fujitsu(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: speeding up planning with partitions
Date: 2019-04-05 03:18:41
Message-ID: CAKJS1f-=uVaBsP55dKZbfWMrH4HRqpKTKQXiBQg2KriM4DAtBQ@mail.gmail.com
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On Fri, 5 Apr 2019 at 16:09, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> Although, we still have ways
> to go in terms of scaling generic plan execution to larger partition
> counts, solution(s) for which have been proposed by David but haven't made
> it into master yet.

Is that a reference to the last paragraph in [1]? That idea has not
gone beyond me writing that text yet! :-( It was more of a passing
comment on the only way I could think of to solve the problem.

[1] https://www.postgresql.org/message-id/CAKJS1f-y1HQK+VjG7=C==vGcLnzxjN8ysD5NmaN8Wh4=VsYipw@mail.gmail.com

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David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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