Initial version

plugins/other/postgresql_transactions

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+#!/bin/bash
+#
+# Plugin to monitor PostgreSQL Commits and Rollbacks in Transactions
+#
+# Author:
+#    Guilherme Augusto da Rocha Silva <gars.dba@gmail.com>
+#
+# Created:
+#    9th of november 2007
+#
+# Usage:
+#    Place in /etc/munin/plugins/ (or link it there using ln -s)
+#
+# Parameters:
+#    config   (required)
+#
+# General info:
+#    Require permission for database access and read (no writes are processed).
+#    Recomended user is PostgreSQL database owner (default: postgres).
+#
+# Log info:
+#
+
+dbserver='localhost'
+dbuser='postgres'
+
+if [ "$1" = "config" ]; then
+   echo 'graph_args --base 1000 --lower-limit 0'
+   echo 'graph_category Postgresql'
+   echo 'graph_info Shows summarized commits and rollbacks in transactions on the PostgreSQL Server.'
+   echo 'graph_title PostgreSQL Transactions'
+   echo 'graph_vlabel Number of Commits and Rollbacks'
+
+   echo 'commits.label commits'
+   echo 'commits.min 0'
+   echo 'commits.info Number of transaction commits.'
+
+   echo 'rollbacks.label rollbacks'
+   echo 'rollbacks.min 0'
+   echo 'rollbacks.info Number of transaction rollbacks.'
+   exit 0
+fi
+psql -h ${dbserver} -U ${dbuser} -tc "SELECT '\ncommits.value '||SUM(xact_commit)::TEXT || '\nrollbacks.value '||SUM(xact_rollback)::TEXT FROM pg_stat_database;"