Add wait event for fsync of WAL segments
This has been visibly a forgotten spot in the first implementation of
wait events for I/O added by 249cf07, and what has been missing is a
fsync call for WAL segments which is a wrapper reacting on the value of
GUC wal_sync_method.
Reported-by: Konstantin Knizhnik
Author: Konstantin Knizhnik
Reviewed-by: Craig Ringer, Michael Paquier
Discussion: https://postgr.es/m/4a243897-0ad8-f471-aa40-242591f2476e@postgrespro.ru
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/c55de5e5123ce58ee19a47c08425949599285041
Modified Files
--------------
doc/src/sgml/monitoring.sgml | 4 ++++
src/backend/access/transam/xlog.c | 2 ++
src/backend/postmaster/pgstat.c | 3 +++
src/include/pgstat.h | 1 +
4 files changed, 10 insertions(+)
