Re: Explain buffers wrong counter with parallel plans

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Alvaro Herrera <alvherre@2ndquadrant.com>

Cc: Robert Haas <robertmhaas@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>, Adrien Nayrat <adrien.nayrat@anayrat.info>, Andres Freund <andres@anarazel.de>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>

Date: 2018-06-29T22:12:38Z

Lists: pgsql-hackers

Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> I'm CCing Tom here, as author of the patch that caused (most of) the
> issue.

Uh ... me?  I thought this was a parallel-query issue, which I've
pretty much not been involved in.

			regards, tom lane

Commits

Adjust comment atop ExecShutdownNode.
- 32b16d497a93 10.6 landed
- f34d4b79fab4 11.0 landed
- 4f9a97e417ca 12.0 landed
Prohibit shutting down resources if there is a possibility of back up.
- 69de17186ad9 9.6.11 landed
- ba10eaef509b 10.6 landed
- c054afd0a22c 11.0 landed
- 2cd0acfdade8 12.0 landed
Fix buffer usage stats for parallel nodes.
- 19df1702f5c5 9.6.10 landed
- b805b63ac277 10.5 landed
- dac7fe13bbf1 11.0 landed
- 85c9d3475e4f 12.0 landed
Match the buffer usage tracking for leader and worker backends.
- 7124c93fb54f 9.6.10 landed
- ef305bd59d98 11.0 landed
- ccc84a956b00 12.0 landed
Improve division of labor between execParallel.c and nodeGather[Merge].c.
- 01edb5c7fc3b 10.0 cited