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Date: Fri, 22 Aug 2025 18:01:50 +0200
From: hubert depesz lubaczewski <depesz@depesz.com>
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To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Adrian Klaver <adrian.klaver@aklaver.com>,
	PostgreSQL General <pgsql-general@lists.postgresql.org>,
	Chris Wilson <chris+google@qwirx.com>
Subject: Re: Streaming replica hangs periodically for ~ 1 second - how to
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On Fri, Aug 22, 2025 at 11:55:18AM -0400, Tom Lane wrote:
> Nonetheless, I'm suspecting an interaction with the startup process,
> because there just isn't that much else that this process could be
> needing to deal with.  Can you try strace'ing both the process doing
> the test query and the startup process, to see what the startup
> process is doing at the times the futex calls happen?

I can, but not today. Will get back to you about it, next week, though.

Best regards,

depesz