Horton

Re: suppressing useless wakeups in logical/worker.c

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2023-01-26T00:23:41Z
Lists: pgsql-hackers 
On Thu, Jan 26, 2023 at 12:50 PM Nathan Bossart
<nathandbossart@gmail.com> wrote:
> I did this in v3.  I noticed that many of your comments also applied to the
> similar patch that was recently applied to walreceiver.c, so I created
> another patch to fix that up.

Can we also use TimestampDifferenceMilliseconds()?  It knows about
rounding up for WaitLatch().

Commits

  1. Improve TimestampDifferenceMilliseconds to cope with overflow sanely.

  2. Code review for commit 05a7be935.