On Sat, Jul 29, 2023 at 02:40:10PM -0700, Nathan Bossart wrote:
> I was about to start a new thread, but I found this one with some good
> preliminary discussion. I came to the same conclusion about introducing a
> new option instead of using syncfs() by default wherever it is available.
> The attached patch is still a work-in-progress, but it seems to behave as
> expected. I began investigating this because I noticed that the
> sync-data-directory step on pg_upgrade takes quite a while when there are
> many files, and I am looking for ways to reduce the amount of downtime
> required for pg_upgrade.
>
> The attached patch adds a new --sync-method option to the relevant frontend
> utilities, but I am not wedded to that name/approach.
Here is a new version of the patch with documentation updates and a couple
other small improvements.
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
