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#!/usr/bin/env perl
# -*-mode:cperl; indent-tabs-mode: nil-*-
## Grab a bunch of Bucardo stats for cacti
##
## Copyright 2007 Greg Sabino Mullane <greg@endpoint.com>
use strict;
use warnings;
use DBI;
our $VERSION = '1.0.1';
my $DBUSER = 'bucardo_readonly';
my $DBOPT = {AutoCommit=>0,RaiseError=>1,PrintError=>0};
my $verbose = 0;
my $dbh =
{
dbname1 => DBI->connect('dbi:Pg:dbname=dbname1', $DBUSER, '', $DBOPT),
bucardo => DBI->connect('dbi:Pg:dbname=bucardo', $DBUSER, '', $DBOPT),
};
## Specialized due to constraint exclusion funkiness:
my $minutesback = 5;
my $SQL = "SELECT now()-'$minutesback minutes'::interval";
my $ARG =
{
TS => $dbh->{bucardo}->selectall_arrayref($SQL)->[0][0],
};
$dbh->{bucardo}->do('SET constraint_exclusion = true');
my $info = {};
my $query;
my $db;
my @q;
while (<DATA>) {
next if /^\s*#/ or /^\s*$/;
if (/^DB:(\w+)/) {
my $newdb = $1;
push @q, [$db,$query] if defined $query;
$db = $newdb;
$query = '';
}
else {
$query .= $_;
}
}
push @q, [$db,$query] if defined $query and length $query;
for (@q) {
my ($db,$sql) = @$_;
chomp $sql;
$sql =~ s/ARG{(\w+)}/$ARG->{$1}/ge;
$verbose and warn "SQL: -->$sql<--\n";
my $sth = $dbh->{$db}->prepare($sql);
$sth->execute();
for my $row (@{$sth->fetchall_arrayref({})}) {
for my $key (keys %$row) {
$info->{$key} = $row->{$key};
}
last;
}
}
## Aggregate some info
$info->{swap_rows} = $info->{swap_inserts} + $info->{swap_updates} + $info->{swap_deletes};
$info->{total_rows} = $info->{swap_rows} + $info->{fullcopy_rows} + $info->{pushdelta_rows};
$info->{total_syncs} = $info->{swap_syncs} + $info->{fullcopy_syncs} + $info->{pushdelta_syncs};
## Track each type of abort error
$query = qq{
SELECT whydie
FROM bucardo.q
WHERE cdate >= '$ARG->{TS}'
AND aborted IS NOT NULL
UNION ALL
SELECT whydie
FROM freezer.master_q
WHERE cdate >= '$ARG->{TS}'
AND aborted IS NOT NULL
};
my %abort;
for (qw/ deadlock serialize route killed unknown/) {
$abort{$_} = 0;
}
$info->{aborts} = 0;
for my $row (@{$dbh->{bucardo}->selectall_arrayref($query)}) {
my $reason = $row->[0];
$info->{aborts}++;
$reason ||= '';
if ($reason =~ /deadlock/) {
$abort{deadlock}++;
}
elsif ($reason =~ /could not serialize/) {
$abort{serialize}++;
}
elsif ($reason =~ /route to host/) {
$abort{route}++;
}
elsif ($reason =~ /unexpectedly/) {
$abort{killed}++;
}
else {
$abort{unknown}++;
}
}
for (keys %abort) {
$info->{"abort_$_"} = $abort{$_};
}
for (values %$dbh) { $_->disconnect(); }
my $string = join ' ' => map { "$_:$info->{$_}" } sort keys %$info;
print "$string\n";
exit;
__DATA__
## Format: DB:database\ncommand
## Order is important
## Number of delta rows awaitin'
DB:bcs
SELECT count(*) AS deltarows FROM bucardo.bucardo_delta
## Number of track rows awaitin'
DB:bcs
SELECT count(*) AS trackrows FROM bucardo.bucardo_track
## Number of transactions yet to be synced
DB:bcs
SELECT count(distinct txntime) AS deltatxns FROM bucardo.bucardo_delta
## Number of swap inserts, updates, deletes in the last 5 minutes
DB:bucardo
SELECT coalesce(qi,0)+coalesce(fi,0) AS swap_inserts,
coalesce(qd,0)+coalesce(fd,0) AS swap_deletes,
coalesce(qu,0)+coalesce(fu,0) AS swap_updates
FROM
(SELECT sum(inserts) AS qi, sum(updates) AS qu, sum(deletes) AS qd FROM bucardo.q
WHERE cdate >= 'ARG{TS}' AND synctype = 'swap') AS a,
(SELECT sum(inserts) AS fi, sum(updates) AS fu, sum(deletes) AS fd FROM freezer.master_q
WHERE cdate >= 'ARG{TS}' AND synctype = 'swap') AS b;
## Number of fullcopy rows (always inserts) in last 5 minutes
DB:bucardo
SELECT coalesce(x,0)+coalesce(y,0) AS fullcopy_rows
FROM
(SELECT sum(inserts) AS x FROM bucardo.q
WHERE cdate >= 'ARG{TS}' AND synctype = 'fullcopy') AS a,
(SELECT sum(inserts) AS y FROM freezer.master_q
WHERE cdate >= 'ARG{TS}' AND synctype = 'fullcopy') AS b;
## Number of pushdelta rows (always inserts) in last 5 minutes
DB:bucardo
SELECT coalesce(x,0)+coalesce(y,0) AS pushdelta_rows
FROM
(SELECT sum(inserts) AS x FROM bucardo.q
WHERE cdate >= 'ARG{TS}' AND synctype = 'pushdelta') AS a,
(SELECT sum(inserts) AS y FROM freezer.master_q
WHERE cdate >= 'ARG{TS}' AND synctype = 'pushdelta') AS b;
## Number of swap syncs run in the last 5 minutes
DB:bucardo
SELECT x+y AS swap_syncs
FROM
(SELECT count(*) AS x
FROM bucardo.q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'swap'
AND ended IS NOT NULL) AS a,
(SELECT count(*) AS y
FROM freezer.master_q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'swap'
AND ended IS NOT NULL) AS b
## Number of fullcopy syncs run in the last 5 minutes
DB:bucardo
SELECT x+y AS fullcopy_syncs
FROM
(SELECT count(*) AS x
FROM bucardo.q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'fullcopy'
AND ended IS NOT NULL) AS a,
(SELECT count(*) AS y
FROM freezer.master_q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'fullcopy'
AND ended IS NOT NULL) AS b
## Number of swap sync run in the last 5 minutes
DB:bucardo
SELECT x+y AS pushdelta_syncs
FROM
(SELECT count(*) AS x
FROM bucardo.q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'pushdelta'
AND ended IS NOT NULL) AS a,
(SELECT count(*) AS y
FROM freezer.master_q
WHERE cdate >= 'ARG{TS}'
AND synctype = 'pushdelta'
AND ended IS NOT NULL) AS b
## Number of PIDs created in last 5 minutes
DB:bucardo
SELECT count(*) AS pids
FROM bucardo.audit_pid WHERE birthdate >= 'ARG{TS}'
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