doc: Add note about I/O timing information in EXPLAIN and pg_stat_database.
Explain that the followings are tracked only when track_io_timing GUC is enabled. - blk_read_time and blk_write_time in pg_stat_database - time spent reading and writing data file blocks in EXPLAIN output with BUFFERS option Whther track_io_timing is enabled affects also blk_read_time and blk_write_time in pg_stat_statements, but which was already documented. Author: Atsushi Torikoshi Reviewed-by: Fujii Masao Discussion: https://postgr.es/m/CACZ0uYHo_NwbxpLH76OGF-O=13tkr0zm0zeygehz+jexzvr...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/eaae947e2b99a84c8f321fe084d87daff0f77d02 Modified Files -------------- doc/src/sgml/monitoring.sgml | 6 ++++-- doc/src/sgml/ref/explain.sgml | 5 +++-- 2 files changed, 7 insertions(+), 4 deletions(-)
