Re: heavily contended lwlocks with long wait queues scale badly - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: heavily contended lwlocks with long wait queues scale badly
Date
Msg-id Za4pdef_J6C9dMcY@paquier.xyz
Whole thread Raw
In response to Re: heavily contended lwlocks with long wait queues scale badly  (Jakub Wartak <jakub.wartak@enterprisedb.com>)
List pgsql-hackers
On Fri, Jan 19, 2024 at 01:49:59PM +0100, Jakub Wartak wrote:
> Hi Michael, just to reassure you that it is a good thing. We have a
> customer who reported much better performance on 16.x than on 13~15 in
> very heavy duty LWLock/lockmanager scenarios (ofc, before that was
> committed/released), so I gave it a try here today to see how much can
> be attributed to that single commit.

Ahh.  Thanks for the feedback.
--
Michael

Attachment

pgsql-hackers by date:

Previous
From: John Naylor
Date:
Subject: Re: [PoC] Improve dead tuple storage for lazy vacuum
Next
From: "Zhijie Hou (Fujitsu)"
Date:
Subject: RE: Synchronizing slots from primary to standby