OPMDG/check_pgactivity — pull request #11 by rdunklau (2014-11-27 07:24:17+00:00)
Title: Add a new temp_files_rate probe.

This probe is compatible with PostgreSQL 9.2+, and works by storing the last
number of tempfiles reported by pg_stat_database as well as the last check
timestamp.

The difference between checks allow us to compute a rate in number of temp files
per second.