backends => [1, 'Number of connections, compared to max_connections.'],
bloat => [0, 'Check for table and index bloat.'],
checkpoint => [1, 'Checks how long since the last checkpoint'],
+ commitratio => [0, 'Report if the commit ratio of a database is too low.'],
connection => [0, 'Simple connection check.'],
custom_query => [0, 'Run a custom query.'],
- database_commitratio => [0, 'Report if the commitratio of a database is too low.'],
- database_hitratio => [0, 'Report if the hitratio of a database is too low.'],
database_size => [0, 'Report if a database is too big.'],
dbstats => [1, 'Returns stats from pg_stat_database: Cacti output only'],
disabled_triggers => [0, 'Check if any triggers are disabled'],
disk_space => [1, 'Checks space of local disks Postgres is using.'],
fsm_pages => [1, 'Checks percentage of pages used in free space map.'],
fsm_relations => [1, 'Checks percentage of relations used in free space map.'],
+ hitratio => [0, 'Report if the hit ratio of a database is too low.'],
hot_standby_delay => [1, 'Check the replication delay in hot standby setup'],
index_size => [0, 'Checks the size of indexes only.'],
table_size => [0, 'Checks the size of tables only.'],
check_connection() if $action eq 'connection';
## Check the commitratio of one or more databases
-check_database_commitratio() if $action eq 'database_commitratio';
+check_commitratio() if $action eq 'commitratio';
## Check the hitratio of one or more databases
-check_database_hitratio() if $action eq 'database_hitratio';
+check_hitratio() if $action eq 'hitratio';
## Check the size of one or more databases
check_database_size() if $action eq 'database_size';
} ## end of check_checkpoint
+sub check_commitratio {
+
+ ## Check the commitratio of one or more databases
+ ## Supports: Nagios, MRTG
+ ## mrtg reports the largest two databases
+ ## By default, checks all databases
+ ## Can check specific one(s) with include
+ ## Can ignore some with exclude
+ ## Warning and criticals are percentages
+ ## Limit to a specific user (db owner) with the includeuser option
+ ## Exclude users with the excludeuser option
+
+ my ($warning, $critical) = validate_range({type => 'percent'});
+
+ $SQL = qq{
+SELECT
+ round(100.*sd.xact_commit/(sd.xact_commit+sd.xact_rollback), 2) AS dcommitratio,
+ d.datname,
+ u.usename
+FROM pg_stat_database sd
+JOIN pg_database d ON (d.oid=sd.datid)
+JOIN pg_user u ON (u.usesysid=d.datdba)
+WHERE sd.xact_commit+sd.xact_rollback<>0
+$USERWHERECLAUSE
+};
+ if ($opt{perflimit}) {
+ $SQL .= " ORDER BY 1 DESC LIMIT $opt{perflimit}";
+ }
+
+ my $info = run_command($SQL, { regex => qr{\d+}, emptyok => 1, } );
+ my $found = 0;
+
+ for $db (@{$info->{db}}) {
+ my $min = 101;
+ $found = 1;
+ my %s;
+ for my $r (@{$db->{slurp}}) {
+
+ next if skip_item($r->{datname});
+
+ if ($r->{dcommitratio} <= $min) {
+ $min = $r->{dcommitratio};
+ }
+ $s{$r->{datname}} = $r->{dcommitratio};
+ }
+
+ if ($MRTG) {
+ do_mrtg({one => $min, msg => "DB: $db->{dbname}"});
+ }
+ if ($min > 100) {
+ $stats{$db->{dbname}} = 0;
+ if ($USERWHERECLAUSE) {
+ add_ok msg('no-match-user');
+ }
+ else {
+ add_unknown msg('no-match-db');
+ }
+ next;
+ }
+
+ my $msg = '';
+ for (reverse sort {$s{$b} <=> $s{$a} or $a cmp $b } keys %s) {
+ $msg .= "$_: $s{$_} ";
+ $db->{perf} .= sprintf ' %s=%s;%s;%s',
+ perfname($_), $s{$_}, $warning, $critical;
+ }
+ if (length $critical and $min <= $critical) {
+ add_critical $msg;
+ }
+ elsif (length $warning and $min <= $warning) {
+ add_warning $msg;
+ }
+ else {
+ add_ok $msg;
+ }
+ }
+
+ ## If no results, probably a version problem
+ if (!$found and keys %unknown) {
+ (my $first) = values %unknown;
+ if ($first->[0][0] =~ /pg_database_size/) {
+ ndie msg('dbsize-version');
+ }
+ }
+
+ return;
+
+} ## end of check_commitratio
+
+
sub check_connection {
## Check the connection, get the connection time and version
} ## end of check_custom_query
-sub check_database_commitratio {
-
- ## Check the commitratio of one or more databases
- ## Supports: Nagios, MRTG
- ## mrtg reports the largest two databases
- ## By default, checks all databases
- ## Can check specific one(s) with include
- ## Can ignore some with exclude
- ## Warning and criticals are percentages
- ## Limit to a specific user (db owner) with the includeuser option
- ## Exclude users with the excludeuser option
-
- my ($warning, $critical) = validate_range({type => 'percent'});
-
- $SQL = qq{
-SELECT
- round(100.*sd.xact_commit/(sd.xact_commit+sd.xact_rollback), 2) AS dcommitratio,
- d.datname,
- u.usename
-FROM pg_stat_database sd
-JOIN pg_database d ON (d.oid=sd.datid)
-JOIN pg_user u ON (u.usesysid=d.datdba)
-WHERE sd.xact_commit+sd.xact_rollback<>0
-$USERWHERECLAUSE
-};
- if ($opt{perflimit}) {
- $SQL .= " ORDER BY 1 DESC LIMIT $opt{perflimit}";
- }
-
- my $info = run_command($SQL, { regex => qr{\d+}, emptyok => 1, } );
- my $found = 0;
-
- for $db (@{$info->{db}}) {
- my $min = 101;
- $found = 1;
- my %s;
- for my $r (@{$db->{slurp}}) {
-
- next if skip_item($r->{datname});
-
- if ($r->{dcommitratio} <= $min) {
- $min = $r->{dcommitratio};
- }
- $s{$r->{datname}} = $r->{dcommitratio};
- }
-
- if ($MRTG) {
- do_mrtg({one => $min, msg => "DB: $db->{dbname}"});
- }
- if ($min > 100) {
- $stats{$db->{dbname}} = 0;
- if ($USERWHERECLAUSE) {
- add_ok msg('no-match-user');
- }
- else {
- add_unknown msg('no-match-db');
- }
- next;
- }
-
- my $msg = '';
- for (reverse sort {$s{$b} <=> $s{$a} or $a cmp $b } keys %s) {
- $msg .= "$_: $s{$_} ";
- $db->{perf} .= sprintf ' %s=%s;%s;%s',
- perfname($_), $s{$_}, $warning, $critical;
- }
- if (length $critical and $min <= $critical) {
- add_critical $msg;
- }
- elsif (length $warning and $min <= $warning) {
- add_warning $msg;
- }
- else {
- add_ok $msg;
- }
- }
-
- ## If no results, probably a version problem
- if (!$found and keys %unknown) {
- (my $first) = values %unknown;
- if ($first->[0][0] =~ /pg_database_size/) {
- ndie msg('dbsize-version');
- }
- }
-
- return;
-
-} ## end of check_database_commitratio
-
-
-sub check_database_hitratio {
-
- ## Check the hitratio of one or more databases
- ## Supports: Nagios, MRTG
- ## mrtg reports the largest two databases
- ## By default, checks all databases
- ## Can check specific one(s) with include
- ## Can ignore some with exclude
- ## Warning and criticals are percentages
- ## Limit to a specific user (db owner) with the includeuser option
- ## Exclude users with the excludeuser option
-
- my ($warning, $critical) = validate_range({type => 'percent'});
-
- $SQL = qq{
-SELECT
- round(100.*sd.blks_hit/(sd.blks_read+sd.blks_hit), 2) AS dhitratio,
- d.datname,
- u.usename
-FROM pg_stat_database sd
-JOIN pg_database d ON (d.oid=sd.datid)
-JOIN pg_user u ON (u.usesysid=d.datdba)
-WHERE sd.blks_read+sd.blks_hit<>0
-$USERWHERECLAUSE
-};
- if ($opt{perflimit}) {
- $SQL .= " ORDER BY 1 DESC LIMIT $opt{perflimit}";
- }
-
- my $info = run_command($SQL, { regex => qr{\d+}, emptyok => 1, } );
- my $found = 0;
-
- for $db (@{$info->{db}}) {
- my $min = 101;
- $found = 1;
- my %s;
- for my $r (@{$db->{slurp}}) {
-
- next if skip_item($r->{datname});
-
- if ($r->{dhitratio} <= $min) {
- $min = $r->{dhitratio};
- }
- $s{$r->{datname}} = $r->{dhitratio};
- }
-
- if ($MRTG) {
- do_mrtg({one => $min, msg => "DB: $db->{dbname}"});
- }
- if ($min > 100) {
- $stats{$db->{dbname}} = 0;
- if ($USERWHERECLAUSE) {
- add_ok msg('no-match-user');
- }
- else {
- add_unknown msg('no-match-db');
- }
- next;
- }
-
- my $msg = '';
- for (reverse sort {$s{$b} <=> $s{$a} or $a cmp $b } keys %s) {
- $msg .= "$_: $s{$_} ";
- $db->{perf} .= sprintf ' %s=%s;%s;%s',
- perfname($_), $s{$_}, $warning, $critical;
- }
- if (length $critical and $min <= $critical) {
- add_critical $msg;
- }
- elsif (length $warning and $min <= $warning) {
- add_warning $msg;
- }
- else {
- add_ok $msg;
- }
- }
-
- ## If no results, probably a version problem
- if (!$found and keys %unknown) {
- (my $first) = values %unknown;
- if ($first->[0][0] =~ /pg_database_size/) {
- ndie msg('dbsize-version');
- }
- }
-
- return;
-
-} ## end of check_database_hitratio
-
-
sub check_database_size {
## Check the size of one or more databases
} ## end of check_fsm_relations
+sub check_hitratio {
+
+ ## Check the hitratio of one or more databases
+ ## Supports: Nagios, MRTG
+ ## mrtg reports the largest two databases
+ ## By default, checks all databases
+ ## Can check specific one(s) with include
+ ## Can ignore some with exclude
+ ## Warning and criticals are percentages
+ ## Limit to a specific user (db owner) with the includeuser option
+ ## Exclude users with the excludeuser option
+
+ my ($warning, $critical) = validate_range({type => 'percent'});
+
+ $SQL = qq{
+SELECT
+ round(100.*sd.blks_hit/(sd.blks_read+sd.blks_hit), 2) AS dhitratio,
+ d.datname,
+ u.usename
+FROM pg_stat_database sd
+JOIN pg_database d ON (d.oid=sd.datid)
+JOIN pg_user u ON (u.usesysid=d.datdba)
+WHERE sd.blks_read+sd.blks_hit<>0
+$USERWHERECLAUSE
+};
+ if ($opt{perflimit}) {
+ $SQL .= " ORDER BY 1 DESC LIMIT $opt{perflimit}";
+ }
+
+ my $info = run_command($SQL, { regex => qr{\d+}, emptyok => 1, } );
+ my $found = 0;
+
+ for $db (@{$info->{db}}) {
+ my $min = 101;
+ $found = 1;
+ my %s;
+ for my $r (@{$db->{slurp}}) {
+
+ next if skip_item($r->{datname});
+
+ if ($r->{dhitratio} <= $min) {
+ $min = $r->{dhitratio};
+ }
+ $s{$r->{datname}} = $r->{dhitratio};
+ }
+
+ if ($MRTG) {
+ do_mrtg({one => $min, msg => "DB: $db->{dbname}"});
+ }
+ if ($min > 100) {
+ $stats{$db->{dbname}} = 0;
+ if ($USERWHERECLAUSE) {
+ add_ok msg('no-match-user');
+ }
+ else {
+ add_unknown msg('no-match-db');
+ }
+ next;
+ }
+
+ my $msg = '';
+ for (reverse sort {$s{$b} <=> $s{$a} or $a cmp $b } keys %s) {
+ $msg .= "$_: $s{$_} ";
+ $db->{perf} .= sprintf ' %s=%s;%s;%s',
+ perfname($_), $s{$_}, $warning, $critical;
+ }
+ if (length $critical and $min <= $critical) {
+ add_critical $msg;
+ }
+ elsif (length $warning and $min <= $warning) {
+ add_warning $msg;
+ }
+ else {
+ add_ok $msg;
+ }
+ }
+
+ ## If no results, probably a version problem
+ if (!$found and keys %unknown) {
+ (my $first) = values %unknown;
+ if ($first->[0][0] =~ /pg_database_size/) {
+ ndie msg('dbsize-version');
+ }
+ }
+
+ return;
+
+} ## end of check_hitratio
+
+
sub check_hot_standby_delay {
## Check on the delay in PITR replication between master and slave
For MRTG or simple output, returns the number of seconds.
+=head2 B<commitratio>
+
+(C<symlink: check_postgres_commitratio>) Checks the commit ratio of all databases and complains when they are too low.
+There is no need to run this command more than once per database cluster.
+Databases can be filtered with
+the I<--include> and I<--exclude> options. See the L</"BASIC FILTERING"> section
+for more details.
+They can also be filtered by the owner of the database with the
+I<--includeuser> and I<--excludeuser> options.
+See the L</"USER NAME FILTERING"> section for more details.
+
+The warning and critical options should be specified as percentages. There are not
+defaults for this action: the warning and critical must be specified. The warning value
+cannot be greater than the critical value. The output returns all databases sorted by
+commitratio, smallest first.
+
+Example: Warn if any database on host flagg is less than 90% in commitratio, and critical if less then 80%.
+
+ check_postgres_database_commitratio --host=flagg --warning='90%' --critical='80%'
+
+For MRTG output, returns the percentage of the database with the smallest commitratio on the first line,
+and the name of the database on the fourth line.
+
=head2 B<connection>
(C<symlink: check_postgres_connection>) Simply connects, issues a 'SELECT version()', and leaves.
This action does not support MRTG or simple output yet.
-=head2 B<database_commitratio>
-
-(C<symlink: check_postgres_database_commitratio>) Checks the commit ratio of all databases and complains when they are too low.
-There is no need to run this command more than once per database cluster.
-Databases can be filtered with
-the I<--include> and I<--exclude> options. See the L</"BASIC FILTERING"> section
-for more details.
-They can also be filtered by the owner of the database with the
-I<--includeuser> and I<--excludeuser> options.
-See the L</"USER NAME FILTERING"> section for more details.
-
-The warning and critical options should be specified as percentages. There are not
-defaults for this action: the warning and critical must be specified. The warning value
-cannot be greater than the critical value. The output returns all databases sorted by
-commitratio, smallest first.
-
-Example: Warn if any database on host flagg is less than 90% in commitratio, and critical if less then 80%.
-
- check_postgres_database_commitratio --host=flagg --warning='90%' --critical='80%'
-
-For MRTG output, returns the percentage of the database with the smallest commitratio on the first line,
-and the name of the database on the fourth line.
-
-=head2 B<database_hitratio>
-
-(C<symlink: check_postgres_database_hitratio>) Checks the hit ratio of all databases and complains when they are too low.
-There is no need to run this command more than once per database cluster.
-Databases can be filtered with
-the I<--include> and I<--exclude> options. See the L</"BASIC FILTERING"> section
-for more details.
-They can also be filtered by the owner of the database with the
-I<--includeuser> and I<--excludeuser> options.
-See the L</"USER NAME FILTERING"> section for more details.
-
-The warning and critical options should be specified as percentages. There are not
-defaults for this action: the warning and critical must be specified. The warning value
-cannot be greater than the critical value. The output returns all databases sorted by
-hitratio, smallest first.
-
-Example: Warn if any database on host flagg is less than 90% in hitratio, and critical if less then 80%.
-
- check_postgres_database_hitratio --host=flagg --warning='90%' --critical='80%'
-
-For MRTG output, returns the percentage of the database with the smallest hitratio on the first line,
-and the name of the database on the fourth line.
-
=head2 B<database_size>
(C<symlink: check_postgres_database_size>) Checks the size of all databases and complains when they are too big.
For MRTG output, returns the percent of free-space-map on the first line, the number of relations currently used on
the second line.
+=head2 B<hitratio>
+
+(C<symlink: check_postgres_database_hitratio>) Checks the hit ratio of all databases and complains when they are too low.
+There is no need to run this command more than once per database cluster.
+Databases can be filtered with
+the I<--include> and I<--exclude> options. See the L</"BASIC FILTERING"> section
+for more details.
+They can also be filtered by the owner of the database with the
+I<--includeuser> and I<--excludeuser> options.
+See the L</"USER NAME FILTERING"> section for more details.
+
+The warning and critical options should be specified as percentages. There are not
+defaults for this action: the warning and critical must be specified. The warning value
+cannot be greater than the critical value. The output returns all databases sorted by
+hitratio, smallest first.
+
+Example: Warn if any database on host flagg is less than 90% in hitratio, and critical if less then 80%.
+
+ check_postgres_database_hitratio --host=flagg --warning='90%' --critical='80%'
+
+For MRTG output, returns the percentage of the database with the smallest hitratio on the first line,
+and the name of the database on the fourth line.
+
=head2 B<hot_standby_delay>
(C<symlink: check_hot_standby_delay>) Checks the streaming replication lag by computing the delta
projects / check_postgres.git / commitdiff