| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Cc: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
| Subject: | Re: explain HashAggregate to report bucket and memory stats |
| Date: | 2020-01-26 17:17:37 |
| Message-ID: | 20200126171737.GR13621@telsasoft.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Sun, Jan 26, 2020 at 08:14:25AM -0600, Justin Pryzby wrote:
> On Fri, Jan 03, 2020 at 10:19:25AM -0600, Justin Pryzby wrote:
> > On Sun, Feb 17, 2019 at 11:29:56AM -0500, Jeff Janes wrote:
> > https://www.postgresql.org/message-id/CAMkU%3D1zBJNVo2DGYBgLJqpu8fyjCE_ys%2Bmsr6pOEoiwA7y5jrA%40mail.gmail.com
> > > What would I find very useful is [...] if the HashAggregate node under
> > > "explain analyze" would report memory and bucket stats; and if the Aggregate
> > > node would report...anything.
> >
> > Find attached my WIP attempt to implement this.
> >
> > Jeff: can you suggest what details Aggregate should show ?
>
> Rebased on top of 10013684970453a0ddc86050bba813c611114321
> And added https://commitfest.postgresql.org/27/2428/
Attached for real.
| Attachment | Content-Type | Size |
|---|---|---|
| v1-0001-refactor-show_hinstrument-and-avoid-showing-memor.patch | text/x-diff | 4.3 KB |
| v1-0002-explain-analyze-to-show-stats-from-hash-aggregate.patch | text/x-diff | 7.2 KB |
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