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# you can disable an alarm notification by setting the 'to' line to: silent
template: postgres_total_connection_utilization
on: postgres.connections_utilization
class: Utilization
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of used
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (70) : (80))
crit: $this > (($status == $CRITICAL) ? (80) : (90))
delay: down 15m multiplier 1.5 max 1h
info: average total connection utilization over the last minute
to: dba
template: postgres_acquired_locks_utilization
on: postgres.locks_utilization
class: Utilization
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of used
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (15) : (20))
delay: down 15m multiplier 1.5 max 1h
info: average acquired locks utilization over the last minute
to: dba
template: postgres_txid_exhaustion_perc
on: postgres.txid_exhaustion_perc
class: Utilization
type: Database
component: PostgreSQL
hosts: *
calc: $txid_exhaustion
units: %
every: 1m
warn: $this > 90
delay: down 15m multiplier 1.5 max 1h
info: percent towards TXID wraparound
to: dba
# Database alarms
template: postgres_db_cache_io_ratio
on: postgres.db_cache_io_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of miss
calc: 100 - $this
units: %
every: 1m
warn: $this < (($status >= $WARNING) ? (70) : (60))
crit: $this < (($status == $CRITICAL) ? (60) : (50))
delay: down 15m multiplier 1.5 max 1h
info: average cache hit ratio in db ${label:database} over the last minute
to: dba
template: postgres_db_transactions_rollback_ratio
on: postgres.db_transactions_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -5m unaligned of rollback
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (0) : (2))
delay: down 15m multiplier 1.5 max 1h
info: average aborted transactions percentage in db ${label:database} over the last five minutes
to: dba
template: postgres_db_deadlocks_rate
on: postgres.db_deadlocks_rate
class: Errors
type: Database
component: PostgreSQL
hosts: *
lookup: sum -1m unaligned of deadlocks
units: deadlocks
every: 1m
warn: $this > (($status >= $WARNING) ? (0) : (10))
delay: down 15m multiplier 1.5 max 1h
info: number of deadlocks detected in db ${label:database} in the last minute
to: dba
# Table alarms
template: postgres_table_cache_io_ratio
on: postgres.table_cache_io_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of miss
calc: 100 - $this
units: %
every: 1m
warn: $this < (($status >= $WARNING) ? (70) : (60))
crit: $this < (($status == $CRITICAL) ? (60) : (50))
delay: down 15m multiplier 1.5 max 1h
info: average cache hit ratio in db ${label:database} table ${label:table} over the last minute
to: dba
template: postgres_table_index_cache_io_ratio
on: postgres.table_index_cache_io_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of miss
calc: 100 - $this
units: %
every: 1m
warn: $this < (($status >= $WARNING) ? (70) : (60))
crit: $this < (($status == $CRITICAL) ? (60) : (50))
delay: down 15m multiplier 1.5 max 1h
info: average index cache hit ratio in db ${label:database} table ${label:table} over the last minute
to: dba
template: postgres_table_toast_cache_io_ratio
on: postgres.table_toast_cache_io_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of miss
calc: 100 - $this
units: %
every: 1m
warn: $this < (($status >= $WARNING) ? (70) : (60))
crit: $this < (($status == $CRITICAL) ? (60) : (50))
delay: down 15m multiplier 1.5 max 1h
info: average TOAST hit ratio in db ${label:database} table ${label:table} over the last minute
to: dba
template: postgres_table_toast_index_cache_io_ratio
on: postgres.table_toast_index_cache_io_ratio
class: Workload
type: Database
component: PostgreSQL
hosts: *
lookup: average -1m unaligned of miss
calc: 100 - $this
units: %
every: 1m
warn: $this < (($status >= $WARNING) ? (70) : (60))
crit: $this < (($status == $CRITICAL) ? (60) : (50))
delay: down 15m multiplier 1.5 max 1h
info: average index TOAST hit ratio in db ${label:database} table ${label:table} over the last minute
to: dba
template: postgres_table_bloat_size_perc
on: postgres.table_bloat_size_perc
class: Errors
type: Database
component: PostgreSQL
hosts: *
calc: ($table_size > (1024 * 1024 * 100)) ? ($bloat) : (0)
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (60) : (70))
crit: $this > (($status == $CRITICAL) ? (70) : (80))
delay: down 15m multiplier 1.5 max 1h
info: bloat size percentage in db ${label:database} table ${label:table}
to: dba
template: postgres_table_last_autovacuum_time
on: postgres.table_autovacuum_since_time
class: Errors
type: Database
component: PostgreSQL
hosts: !*
calc: $time
units: seconds
every: 1m
warn: $this != nan AND $this > (60 * 60 * 24 * 7)
info: time elapsed since db ${label:database} table ${label:table} was vacuumed by the autovacuum daemon
to: dba
template: postgres_table_last_autoanalyze_time
on: postgres.table_autoanalyze_since_time
class: Errors
type: Database
component: PostgreSQL
hosts: !*
calc: $time
units: seconds
every: 1m
warn: $this != nan AND $this > (60 * 60 * 24 * 7)
info: time elapsed since db ${label:database} table ${label:table} was analyzed by the autovacuum daemon
to: dba
# Index alarms
template: postgres_index_bloat_size_perc
on: postgres.index_bloat_size_perc
class: Errors
type: Database
component: PostgreSQL
hosts: *
calc: ($index_size > (1024 * 1024 * 10)) ? ($bloat) : (0)
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (60) : (70))
crit: $this > (($status == $CRITICAL) ? (70) : (80))
delay: down 15m multiplier 1.5 max 1h
info: bloat size percentage in db ${label:database} table ${label:table} index ${label:index}
to: dba
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