Re: speeding up planning with partitions

From: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
To: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
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 03:25:15
Message-ID: 48f4856d-af73-8e2a-8a8d-420592159de6@lab.ntt.co.jp
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On 2019/04/05 12:18, David Rowley wrote:
> 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

Actually, I meant to refer to the following:

https://commitfest.postgresql.org/22/1897/

Of course, we should pursue all available options. :)

Thanks,
Amit

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