Re: heavily contended lwlocks with long wait queues scale badly

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: 2022-11-10 01:03:13
Message-ID: 20221110010313.fe4xi5k2n6u4ynf5@awork3.anarazel.de
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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.

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