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Re: Parallel Seq Scan vs kernel read ahead - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: Parallel Seq Scan vs kernel read ahead
Date
Msg-id CA+hUKGLcdJ_sBSLAsmb7kNz25cBE_gdvFRFxqn+=ZqpNwOPVZw@mail.gmail.com
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In response to Re: Parallel Seq Scan vs kernel read ahead  (David Rowley <dgrowleyml@gmail.com>)
Responses Re: Parallel Seq Scan vs kernel read ahead  (David Rowley <dgrowleyml@gmail.com>)
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On Fri, Jun 19, 2020 at 2:10 PM David Rowley <dgrowleyml@gmail.com> wrote:
> Here's a patch which caps the maximum chunk size to 131072.  If
> someone doubles the page size then that'll be 2GB instead of 1GB. I'm
> not personally worried about that.

I wonder how this interacts with the sync scan feature.  It has a
conflicting goal...

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