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71 lines
1.7 KiB
Bash
Executable file
71 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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: <<=cut
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=head1 NAME
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postgresql_transactions - Plugin to monitor PostgreSQL Commits and Rollbacks in Transactions
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=head1 USAGE
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Usage:
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Place in /etc/munin/plugins/ (or link it there using ln -s)
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General info:
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Requires permission for database read access (no writes are processed).
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Recommended user is PostgreSQL database owner (default: postgres).
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=head1 CONFIGURATION
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The following configuration directives may be placed below /etc/munin/plugin-conf.d/ (optional):
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[postgresql_transactions]
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user postgres
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env.dbuser postgres
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env.dbhost localhost
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=head1 AUTHOR
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Guilherme Augusto da Rocha Silva <gars.dba@gmail.com>
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Copyright (C) 2007 Guilherme Augusto da Rocha Silva <gars.dba@gmail.com>
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=cut
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dbhost=${dbhost:-localhost}
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dbuser=${dbuser:-postgres}
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do_config() {
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echo 'graph_args --base 1000 --lower-limit 0'
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echo 'graph_category db'
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echo 'graph_info Shows summarized commits and rollbacks in transactions on the PostgreSQL Server.'
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echo 'graph_title PostgreSQL Transactions'
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echo 'graph_vlabel Commits and Rollbacks per second'
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echo 'commits.label commits'
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echo 'commits.min 0'
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echo 'commits.type DERIVE'
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echo 'commits.info Number of transaction commits per second.'
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echo 'rollbacks.label rollbacks'
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echo 'rollbacks.min 0'
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echo 'rollbacks.type DERIVE'
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echo 'rollbacks.info Number of transaction rollbacks per second.'
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}
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do_fetch() {
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psql -h "$dbhost" -U "$dbuser" -tc "SELECT 'commits.value '||SUM(xact_commit)::TEXT||E'\\nrollbacks.value '||SUM(xact_rollback)::TEXT FROM pg_stat_database;" --no-align
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}
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if [ "$1" = "config" ]; then
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do_config
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if [ "${MUNIN_CAP_DIRTYCONFIG:-0}" = "1" ]; then do_fetch; fi
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else
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do_fetch
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fi
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