On Fri, Jan 8, 2021 at 2:19 PM Thomas Munro wrote:
> The system header change has one interesting consequence for existing
> releases of PostgreSQL, though: xlogdefs.h now sees that there is an
> O_DSYNC macro that is distinct from O_SYNC, and defaults to
> wal_sync_method=open_datasync. That's n
Hi hackers,
My learn-me-some-operating-system-hacking project for the holidays was
to add O_DSYNC to FreeBSD 13 (due out end of Q1ish). I was motivated
by my project to port some of Andres's Linux-only PostgreSQL AIO stuff
to POSIX interfaces, where you need O_DSYNC to initiate the
asynchronous e
