| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru> |
| Subject: | Re: heavily contended lwlocks with long wait queues scale badly |
| Date: | 2022-11-20 19:56:20 |
| Message-ID: | 20221120195620.m6zbsvrumijgsnrf@awork3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-11-09 17:03:13 -0800, Andres Freund wrote:
> On 2022-11-09 09:38:08 -0800, Andres Freund wrote:
> > I'm on a hike, without any connectivity, Thu afternoon - Sun. I think it's OK
> > to push it to HEAD if I get it done in the next few hours. Bigger issues,
> > which I do not expect, should show up before tomorrow afternoon. Smaller
> > things could wait till Sunday if necessary.
>
> I didn't get to it in time, so I'll leave it for when I'm back.
Took a few days longer, partially because I encountered an independent issue
(see 8c954168cff) while testing.
I pushed it to HEAD now.
I still think it might be worth to backpatch in a bit, but so far the votes on
that weren't clear enough on that to feel comfortable.
Regards,
Andres
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