check_pgactivity v2.5 has been released on November 24th 2020 under PostgreSQL license.

check_pgactivity is a PostgreSQL plugin for Nagios and derivatives. This plugin is written with a focus on a rich perfdata set. Every new features of PostgreSQL can be easily monitored with check_pgactivity.

Changelog :

• add: new oldest_xmin service
• add: new extensions_versions service
• add: new checksum_errors service
• add: support for v13 and other improvements on replication_slots
• add: v13 compatibility for service wal_files
• add: various documentation details and examples
• add: support service replication_slots on standby
• add: accept single b or o as size unit
• add: json and json_strict output formats
• add: size and/or delta thresholds for database_size service
• add: thresholds are now optional for service database_size
• add: support for v12 and v13 archive_folder
• regression: threshold repslot becomes spilled in service replication_slots
• regression: in services latest_vacuum and latest_analyze: a critical alert is now raised on tables that were never analyzed/vacuumed or whose maintenance date was lost due to a crash
• fix: avoid alerts for lack of maintenance on inactive db
• fix: forbid rare cases of division by zero in wal_files
• fix: do not alert on missing file in temp_files for v10+
• fix: detect lack of maintenance in last_vacuum and last_analyze for never maintained tables
• fix: backend count for v10+
• fix: replace NaN with "U" for strict outputs
• fix: do not count walsenders as part of max_connections
• fix: broken archiver service with v10+
• fix: perl warning when archiver is not active

Here are some useful links:

• github repo: https://github.com/OPMDG/check_pgactivity
• reporting issues: https://github.com/OPMDG/check_pgactivity/issues
• latest release: https://github.com/OPMDG/check_pgactivity/releases/latest
• contributors: https://github.com/OPMDG/check_pgactivity/blob/master/contributors

Thanks to all the contributors!