On Fri, 2025-04-25 at 01:41 +1200, David Rowley wrote:
> On Fri, 25 Apr 2025 at 01:32, Marc Millas <marc.millas@mokadb.com> wrote:
> > Nested Loop Left Join (cost=941400.77..966327.57 rows=3 width=653) (actual time=52655.694..62533.811 rows=346
loops=1)
> > Buffers: shared hit=10068265 read=396705 dirtied=1858 written=218, temp read=429687 written=115187
> > I/O Timings: read=79368.246 write=11.486
> >
> > So, the total execution time is 52655 ms ok
> > and the total time for i/o is...79368 ms
> >
> > how ???
>
> The 79.3 seconds is the total time spent doing reads for all parallel
> workers. 52.6 seconds is the wall clock time elapsed to execute the
> query.
But wouldn't it read "loops=3" or similar then?
Yours,
Laurenz Albe
