Hi,
> That said, I checked track_wal_io_timing and it reports the
> accumulated timing even after the GUC is turned off, see
> pgstat_count_io_op_time(). IIUC, what matters there is whether timing
> was on when the start time was captured, not what it is at reporting
> time. Looking at that, I would prefer reporting the remaining
> accumulated time here too to make it complete.
Fair enough.
I guess this also fits better with the existing comment.
```
/* Report any remaining cost-based vacuum delay time */
```
> Also, +1 to rename track_delay_timing to GUC name.
Done.
v2 attached.
--
Sami
