Horton

Re: [sqlsmith] Unpinning error in parallel worker

Jonathan Rudenberg <jonathan@titanous.com>

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From: Jonathan Rudenberg <jonathan@titanous.com>
To: Thomas Munro <thomas.munro@enterprisedb.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Andreas Seltenreich <seltenreich@gmx.de>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2018-04-17T23:01:05Z
Lists: pgsql-hackers

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On Tue, Apr 17, 2018, at 18:38, Thomas Munro wrote:

> I don't have any theories about how that could be going wrong right
> now, but I'm looking into it. 

Thank you!

> > I don't have a backtrace yet, but I will provide them if/when the issue happens again.
> 
> Thanks, that would be much appreciated, as would any clues about what
> workload you're running.  Do you know what the query plan looks like
> for the queries that crashed?

Yep, I think I know approximately what it looked like, I've attached a lightly redacted plan. All of the hung queries were running some variant of this plan as far as I can tell.

Thanks again!

Jonathan

Commits

  1. Use English, instead of internal names, for translatable messages.

  2. Plug race in dsa_attach.