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Re: Improve WALRead() to suck data directly from WAL buffers when possible - Mailing list pgsql-hackers

From Bharath Rupireddy
Subject Re: Improve WALRead() to suck data directly from WAL buffers when possible
Date
Msg-id CALj2ACUBWfkXBU-wKnZV9muZNZZ0Zx-Ewrxx9tZzmYzGXV2JvA@mail.gmail.com
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In response to Re: Improve WALRead() to suck data directly from WAL buffers when possible  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
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On Sun, Mar 12, 2023 at 11:00 PM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
> I have some review comments to fix on
> v8-0001, so, I'll be sending out v9 patch-set soon.

Please find the attached v9 patch set for further review. I moved the
check for just-initialized WAL buffer pages before reading the page.
Up until now, it's the other way around, meaning, read the page and
then check the header if it is just-initialized, which is wrong. The
attached v9 patch set corrects it.

--
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
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