Re: Parallel Full Hash Join

From: Justin Pryzby <pryzby(at)telsasoft(dot)com>
To: Melanie Plageman <melanieplageman(at)gmail(dot)com>
Cc: vignesh C <vignesh21(at)gmail(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Parallel Full Hash Join
Date: 2021-11-21 03:48:48
Message-ID: 20211121034848.GG17618@telsasoft.com
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On Wed, Nov 17, 2021 at 01:45:06PM -0500, Melanie Plageman wrote:
> On Sat, Nov 6, 2021 at 11:04 PM Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> >
> > > Rebased patches attached. I will change status back to "Ready for Committer"
> >
> > The CI showed a crash on freebsd, which I reproduced.
> > https://cirrus-ci.com/task/5203060415791104
> >
> > The crash is evidenced in 0001 - but only ~15% of the time.
> >
> > I think it's the same thing which was committed and then reverted here, so
> > maybe I'm not saying anything new.
> >
> > https://commitfest.postgresql.org/33/3031/
> > https://www.postgresql.org/message-id/flat/20200929061142(dot)GA29096(at)paquier(dot)xyz
>
> Yes, this looks like that issue.
>
> I've attached a v8 set with the fix I suggested in [1] included.
> (I added it to 0001).

This is still crashing :(
https://cirrus-ci.com/task/6738329224871936
https://cirrus-ci.com/task/4895130286030848

--
Justin

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