On 5/10/17 04:38, Kyotaro HORIGUCHI wrote: > Hi. While I read the documentation I found the following > description about some columns in pg_stat_bgwriter. > > https://www.postgresql.org/docs/devel/static/monitoring-stats.html#pg-stat-bgwriter-view > > This table shows cluster-global values, not per-backend values. > >> maxwritten_clean: >> Number of times the background writer stopped a cleaning scan >> because it had written too many buffers >> buffers_backend: >> Number of buffers written directly by a backend >> buffers_backend_fsync: >> Number of times a backend had to execute its own fsync call >> (normally the background writer handles those even when the >> backend does its own write) > Since the values are the summary in a cluster, the 'a backend's > in the last two seems wrong *to me*. I suppose the 'a backend' > should be just 'backends' or 'backends other than the background > writer' (This seems a bit verbose.).
The text looks correct to me as it currently stands. Your alternative phrasings are also correct. But there is no need to change this, I think. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers