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120 lines
2.7 KiB
Perl
Executable File
120 lines
2.7 KiB
Perl
Executable File
#!/usr/bin/env perl
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# postgres_queries3: see stats on number of rows
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# read, inserted, updated and deleted on a per table basis
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#
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# Author:
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# Samuel Smith leon36 <snail> gmail <dot> com
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#
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# Created:
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# 20140701
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#
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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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# Place table names after '_' and delimit with '-'
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# EX: postgres_queries3_table1-table2-table3
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#
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# Parameters:
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# config (required)
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# conf:
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# [postgres_*]
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# user postgres
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#
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#
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# General info:
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# Require permission for database access and read (no writes are processed).
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# Recommended user is PostgreSQL database owner.
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# On debian systems install libipc-run3-perl
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#
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# Log info:
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# 20140701 - Initial
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# 20140924 -
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# -ignore internal pg tables
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# -missing stuff in config
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use strict;
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use IPC::Run3 qw( run3 );
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my %values;
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my $query = \<<EOF;
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select
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'sel_seq.value ' || SUM(seq_scan) || E'\n' ||
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'sel_seq_rows.value ' || SUM(seq_tup_read) || E'\n' ||
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'sel_idx.value ' || SUM(idx_scan) || E'\n' ||
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'sel_idx_rows.value ' || SUM(idx_tup_fetch) || E'\n' ||
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'inserts.value ' || SUM(n_tup_ins) || E'\n' ||
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'updates.value ' || SUM(n_tup_upd) || E'\n' ||
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'deletes.value ' || SUM(n_tup_del)
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from pg_stat_all_tables where relname not like 'pg_%';
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EOF
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$0 =~ /postgres_queries3_(.*)/;
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my @dbs = split(/-/,$1);
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if( defined $ARGV[0] and $ARGV[0] eq "config" ){
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print qq/graph_title Postgres All Queries
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graph_args --base 1000 -l 0 -r
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graph_vlabel Queries per \${graph_period}
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graph_category db
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graph_info Shows number of select, insert, update and delete queries
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sel_seq.label s_selects
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sel_seq.info Sequential selects on all tables
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sel_seq.type DERIVE
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sel_seq.min 0
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sel_seq.max 100
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sel_seq_rows.label s_select rows
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sel_seq_rows.info Rows returned from sequential selects
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sel_seq_rows.type DERIVE
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sel_seq_rows.min 0
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sel_seq_rows.max 100
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sel_idx.label i_selects
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sel_idx.info Sequential selects on all indexes
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sel_idx.type DERIVE
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sel_idx.min 0
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sel_idx.max 100
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sel_idx_rows.label i_select rows
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sel_idx_rows.info Rows returned form index selects
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sel_idx_rows.type DERIVE
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sel_idx_rows.min 0
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sel_idx_rows.min 100
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inserts.label inserts
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inserts.info Rows inserted on all tables
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inserts.type DERIVE
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inserts.min 0
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inserts.max 100
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updates.label updates
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updates.info Rows updated on all tables
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updates.type DERIVE
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updates.min 0
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updates.max 100
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deletes.label deletes
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deletes.info Rows deleted from all tables
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deletes.type DERIVE
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deletes.min 0
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deletes.max 100
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/;
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exit;
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}
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foreach my $db (@dbs){
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my @out;
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run3( "psql -At $db", $query, \@out);
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foreach my $line (@out){
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my($key, $value) = split(/ /, $line);
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$values{$key} += $value;
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}
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}
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foreach my $key (keys %values){
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print "$key $values{$key}\n";
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}
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