| From: | Melanie Plageman <melanieplageman(at)gmail(dot)com> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Assertion failure with barriers in parallel hash join |
| Date: | 2021-03-31 22:41:12 |
| Message-ID: | CAAKRu_ZSdynXbzR=5Nb5kQ3QdsUBs0=Cp6a4YxUkbMrX9mmR_g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Mar 17, 2021 at 8:18 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
>
> On Wed, Mar 17, 2021 at 6:58 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > According to BF animal elver there is something wrong with this
> > commit. Looking into it.
>
> Assertion failure reproduced here and understood, but unfortunately
> it'll take some more time to fix this. I've reverted the commit for
> now to unbreak the ~5 machines that are currently showing red in the
> build farm.
Also, silly question: why couldn't we just set the pstate->batches pointer to
InvalidDsaPointer before doing dsa_free() (of course saving the pointer
so that we can actually do the freeing with it)? Is there still a race?
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