Horton

Re: Windows now has fdatasync()

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-02-06T06:20:07Z
Lists: pgsql-hackers 
On Sun, Dec 12, 2021 at 03:48:10PM +1300, Thomas Munro wrote:
> I tried out a quick POC patch and it runs a bit faster than fsync(), as
> expected.

Good news, as a too high difference would be suspect :)

How much difference does it make in % and are the numbers rather
reproducible?  Just wondering..
--
Michael

Commits

  1. Remove configure probe for fdatasync.

  2. Remove O_FSYNC and associated macros.

  3. Fix warnings on Windows.

  4. Add wal_sync_method=fdatasync for Windows.