From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, PostgreSQL Advocacy Group <pgsql-advocacy(at)postgresql(dot)org> |
Subject: | Re: PostgreSQL 10: Call for Quotes |
Date: | 2017-09-01 06:23:40 |
Message-ID: | CANP8+jJyzA_Ww7qOP+31vxqj6hbMagA5D9VxefBJK9yGWT-29w@mail.gmail.com |
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Lists: | pgsql-advocacy |
On 31 August 2017 at 18:34, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Thu, Aug 31, 2017 at 1:16 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>> On 31 August 2017 at 17:48, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>>> I would argue for
>>> adding Andres's executor speedups and Amit's hash index work, too
>>
>> Do we have accepted/verified perf results we can quote?
>
> Andres had a chart showing mammoth speedups on some of the TPC-H
> queries which he presented at PGCon. See, e.g. slide 17 at
> https://www.pgcon.org/2017/schedule/attachments/462_jit-pgcon-2017-05-25.pdf
>
> I don't know that that's quite formal enough for PR, but it - Q1 in
> particular - sure shows a nice gain.
That's good enough to include on the major items certainly.
> For hash indexes, the benefit is mostly that now they don't go
> kablooey after a crash, rather than performance, although there was
> performance work done as part of the project too. Not sure what the
> best way to showcase this would be.
Discussion continues on that aspect.
I'm going to commit this patch in next hour, barring objections, so we
have something there as a stopgap while we discuss what the final list
will be.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Attachment | Content-Type | Size |
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provisional_PG10_major_features.v1.patch | application/octet-stream | 811 bytes |
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