Re: Show WAL write and fsync stats in pg_stat_io

Hi,

On 2023-11-08 09:52:16 +0900, Michael Paquier wrote:
> By the way, if the write/sync quantities and times begin to be tracked
> by pg_stat_io, I'd see a pretty good argument in removing the
> equivalent columns in pg_stat_wal.  It looks like this would reduce
> the confusion related to the handling of PendingWalStats added in
> pgstat_io.c, for one.

Another approach would be to fetch the relevant columns from pg_stat_io in the
pg_stat_wal view. That'd avoid double accounting and breaking existing
monitoring.

Greetings,

Andres Freund