postgresql

PostgreSQL plugin

This postgresql plugin provides metrics for your postgres database. It currently works with postgres versions 8.1+. It uses data from the built in pg_stat_database and pg_stat_bgwriter views. The metrics recorded depend on your version of postgres. See table:

pg version      9.2+   9.1   8.3-9.0   8.1-8.2   7.4-8.0(unsupported)
---             ---    ---   -------   -------   -------
datid*           x      x       x         x
datname*         x      x       x         x
numbackends      x      x       x         x         x
xact_commit      x      x       x         x         x
xact_rollback    x      x       x         x         x
blks_read        x      x       x         x         x
blks_hit         x      x       x         x         x
tup_returned     x      x       x
tup_fetched      x      x       x
tup_inserted     x      x       x
tup_updated      x      x       x
tup_deleted      x      x       x
conflicts        x      x
temp_files       x
temp_bytes       x
deadlocks        x
blk_read_time    x
blk_write_time   x
stats_reset*     x      x

* value ignored and therefore not recorded.

More information about the meaning of these metrics can be found in the PostgreSQL Documentation