Current File : //usr/share/munin/plugins/postgres_tuples_
#!/usr/bin/perl
# -*- cperl -*-
#
# Copyright (C) 2009 Magnus Hagander, Redpill Linpro AB
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2 dated June,
# 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA.
=head1 NAME
postgres_tuples_ - Plugin to monitor PostgreSQL tuple access.
=head1 CONFIGURATION
Configuration is done through libpq environment variables, for example
PGUSER, PGDATABASE, etc. For more information, see L<Munin::Plugin::Pgsql>.
To monitor a specific database, link to postgres_tuples_<databasename>.
=head1 SEE ALSO
L<Munin::Plugin::Pgsql>
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf suggest
=head1 AUTHOR
Magnus Hagander <magnus@hagander.net>, Redpill Linpro AB
=head1 COPYRIGHT/License.
Copyright (c) 2009 Magnus Hagander, Redpill Linpro AB
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the terms of the GNU General
Public License as published by the Free Software Foundation; version 2
dated June, 1991.
=cut
use strict;
use warnings;
use Munin::Plugin::Pgsql;
my $pg = Munin::Plugin::Pgsql->new(
basename => 'postgres_tuples_',
title => 'PostgreSQL tuple access',
info => 'Tuple access',
vlabel => 'Tuples / sec',
basequery => [
"SELECT COALESCE(sum(seq_tup_read),0) AS seqread, COALESCE(sum(idx_tup_fetch),0) AS idxfetch,"
. " COALESCE(sum(n_tup_ins),0) AS inserted, COALESCE(sum(n_tup_upd),0) AS updated,"
. " COALESCE(sum(n_tup_del),0) AS deleted, COALESCE(sum(n_tup_hot_upd),0) AS hotupdated FROM pg_stat_user_tables",
[
8.2,
"SELECT COALESCE(sum(seq_tup_read),0) AS seqread, COALESCE(sum(idx_tup_fetch),0) AS idxfetch,"
. " COALESCE(sum(n_tup_ins),0) AS inserted, COALESCE(sum(n_tup_upd),0) AS updated,"
. " COALESCE(sum(n_tup_del),0) AS deleted FROM pg_stat_user_tables",
],
],
paramdatabase => 1,
pivotquery => 1,
configquery => [
"VALUES ('seqread','Tuples sequentally read'), ('idxfetch','Tuples index fetched'), ('inserted','Tuples inserted'),"
. " ('updated','Tuples updated'),('deleted','Tuples deleted'),('hotupdated','Tuples HOT updated')",
[
8.2,
"VALUES ('seqread','Tuples sequentally read'), ('idxfetch','Tuples index fetched'), ('inserted','Tuples inserted'),"
. " ('updated','Tuples updated'),('deleted','Tuples deleted')",
], [
8.1,
"SELECT 'seqread','Tuples sequentially read' UNION ALL SELECT 'idxfetch','Tuples index fetched' UNION ALL "
. "SELECT 'inserted','Tuples inserted' UNION ALL SELECT 'updated','Tuples updated' UNION ALL "
. "SELECT 'deleted','Tuples deleted'",
],
],
suggestquery =>
"SELECT datname FROM pg_database WHERE datallowconn AND NOT datistemplate AND NOT datname='postgres' ORDER BY 1 LIMIT 10",
graphtype => 'DERIVE',
graphmin => 0,
);
$pg->Process();
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