Horton

Re: Sub-millisecond [autovacuum_]vacuum_cost_delay broken

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Nathan Bossart <nathandbossart@gmail.com>, Melanie Plageman <melanieplageman@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>, Stephen Frost <sfrost@snowman.net>
Date: 2023-03-10T22:49:54Z
Lists: pgsql-hackers 
Thomas Munro <thomas.munro@gmail.com> writes:
> I think this is the minimal back-patchable change.  I propose to go
> ahead and do that, and then to kick the ideas about latch API changes
> into a new thread for the next commitfest.

OK by me, but then again 4753ef37 wasn't my patch.

			regards, tom lane

Commits

  1. Use nanosleep() to implement pg_usleep().

  2. Update obsolete comment about pg_usleep() accuracy.

  3. Fix fractional vacuum_cost_delay.