docs: Reframe track_io_timing related docs as wait time
With AIO it does not make sense anymore to track the time for each individual
IO, as multiple IOs can be in-flight at the same time. Instead we now track
the time spent *waiting* for IOs.
This should be reflected in the docs. While, so far, we only do a subset of
reads, and no other operations, via AIO, describing the GUC and view columns
as measuring IO waits is accurate for synchronous and asynchronous IO.
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/5dzyoduxlvfg55oqtjyjehez5uoq6hnwgzor4kkybkfdgkj7ag@rbi4gsmzaczk
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/b27f8637ea708c4b6113f0d29a76cb411b430a27
Modified Files
--------------
doc/src/sgml/config.sgml | 4 ++--
doc/src/sgml/monitoring.sgml | 12 ++++++------
2 files changed, 8 insertions(+), 8 deletions(-)
