Re: Assertion failure while streaming toasted data

From: Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Assertion failure while streaming toasted data
Date: 2021-05-25 14:03:31
Message-ID: CABOikdO1nLhOGq9yXppW66ZhOGHu1wAgyA0tRYoYOZe7LwKLNw@mail.gmail.com
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On Tue, May 25, 2021 at 6:55 PM Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:

> On Tue, May 25, 2021 at 6:50 PM Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>
> wrote:
>
> > Is that test good enough to trigger the original bug? In my experience,
> I had to add a lot more tuples before the logical_decoding_work_mem
> threshold was crossed and the streaming kicked in. I would suggest running
> the test without the fix and check if the assertion hits. If so, we are
> good to go.
> >
> Yes, it is reproducing without fix, I already tested it. Basically, I
> am using the "stream_test" table in "copy stream_test to stdout""
> command which already has 20 toasted tuples, each of size 6000 bytes
> so that is big enough to cross 64kB.
>
>
Ok, great! Thanks for confirming.

Thanks,
Pavan

--
Pavan Deolasee
EnterpriseDB: https://www.enterprisedb..com

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