Re: Parallel Full Hash Join - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: Parallel Full Hash Join
Date
Msg-id CA+hUKG+2Dno7rO-6XZ959CVMOSJbGAihR-vAbc26fcRzbz3Ctw@mail.gmail.com
Whole thread Raw
In response to Re: Parallel Full Hash Join  (Masahiko Sawada <sawada.mshk@gmail.com>)
Responses Re: Parallel Full Hash Join
List pgsql-hackers
On Sun, Nov 21, 2021 at 4:48 PM Justin Pryzby <pryzby@telsasoft.com> wrote:
> On Wed, Nov 17, 2021 at 01:45:06PM -0500, Melanie Plageman wrote:
> > 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

I added a core file backtrace to cfbot's CI recipe a few days ago, so
now we have:

https://cirrus-ci.com/task/5676480098205696

#3 0x00000000009cf57e in ExceptionalCondition (conditionName=0x29cae8
"BarrierParticipants(&accessor->shared->batch_barrier) == 1",
errorType=<optimized out>, fileName=0x2ae561 "nodeHash.c",
lineNumber=lineNumber@entry=2224) at assert.c:69
No locals.
#4 0x000000000071575e in ExecParallelScanHashTableForUnmatched
(hjstate=hjstate@entry=0x80a60a3c8,
econtext=econtext@entry=0x80a60ae98) at nodeHash.c:2224



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