Re: Explain buffers wrong counter with parallel plans

Alvaro Herrera <alvherre@2ndquadrant.com>

From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Adrien NAYRAT <adrien.nayrat@anayrat.info>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Andres Freund <andres@anarazel.de>, "Jonathan S. Katz" <jonathan.katz@excoventures.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2018-08-03T14:38:15Z
Lists: pgsql-hackers
On 2018-Aug-03, Adrien NAYRAT wrote:

> On 08/03/2018 10:39 AM, Amit Kapila wrote:
> > Thanks.  I have pushed those two patches.
> 
> Thanks!

I am marking this open item as closed.  If that's wrong, let's hear why
:-)

Thanks,

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


Commits

  1. Adjust comment atop ExecShutdownNode.

  2. Prohibit shutting down resources if there is a possibility of back up.

  3. Fix buffer usage stats for parallel nodes.

  4. Match the buffer usage tracking for leader and worker backends.

  5. Improve division of labor between execParallel.c and nodeGather[Merge].c.