On Mon, Aug 25, 2025 at 5:08 PM Nathan Bossart <nathandboss...@gmail.com> wrote: > > On Mon, Aug 25, 2025 at 03:38:13PM -0700, Masahiko Sawada wrote: > > While reading walsummarizer.c code, I noticed that in > > WakeupWalSummarizer() we acquire the WALSummarizerLock lock in > > LW_EXCLUSIVE mode despite only reading > > WalSummarizerCtl->summarizer_pgprocno. The attached patch uses > > LW_SHARED mode instead. Feedback is very welcome. > > You could probably do something similar for WaitForWalSummarization().
Good point. I've attached the updated patch. Regards, -- Masahiko Sawada Amazon Web Services: https://aws.amazon.com
v2-0001-Use-LW_SHARED-in-walsummarizer.c-for-WALSummarize.patch
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