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contrib-munin/plugins/postgresql/postgresql_transactions

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#!/bin/sh
#
# 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).
# Recommended user is PostgreSQL database owner (default: postgres).
#
# Log info:
#
dbserver='localhost'
dbuser='postgres'
if [ "$1" = "config" ]; then
echo 'graph_args --base 1000 --lower-limit 0'
echo 'graph_category db'
echo 'graph_info Shows summarized commits and rollbacks in transactions on the PostgreSQL Server.'
echo 'graph_title PostgreSQL Transactions'
echo 'graph_vlabel Commits and Rollbacks per second'
echo 'commits.label commits'
echo 'commits.min 0'
echo 'commits.type DERIVE'
echo 'commits.info Number of transaction commits per second.'
echo 'rollbacks.label rollbacks'
echo 'rollbacks.min 0'
echo 'rollbacks.type DERIVE'
echo 'rollbacks.info Number of transaction rollbacks per second.'
exit 0
fi
psql -h "$dbserver" -U "$dbuser" -tc "SELECT 'commits.value '||SUM(xact_commit)::TEXT||E'\\nrollbacks.value '||SUM(xact_rollback)::TEXT FROM pg_stat_database;" --no-align