| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: wake up logical workers after ALTER SUBSCRIPTION |
| Date: | 2022-11-30 04:23:16 |
| Message-ID: | CA+hUKGJTQqnAAYAmdM9xkcs1e+5jOt34nvV622cY8cTmQcgVpA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Nov 30, 2022 at 5:10 PM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
> I spent some more time on the prevent-unnecessary-wakeups patch for
> logical/worker.c that I've been alluding to in this thread, and I found a
> few more places where we depend on the worker periodically waking up. This
> seems to be a common technique, so I'm beginning to wonder whether these
> changes are worthwhile. I think there's a good chance it would become a
> game of whac-a-mole.
Aren't they all bugs, though, making our tests and maybe even real
systems slower than they need to be?
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