pgmon/sample-config/pgmon-metrics.yml

56 lines
2.2 KiB
YAML

metrics:
# Discovery metrics
discover_dbs:
type: set
query:
0: SELECT datname AS dbname FROM pg_database
discover_rep:
type: set
query:
0: SELECT client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') AS repid, client_addr, state FROM pg_stat_replication
discover_slots:
type: set
query:
0: SELECT slot_name, plugin, slot_type, database, temporary, active FROM pg_replication_slots
# cluster-wide metrics
version:
type: value
query:
0: SHOW server_version_num
max_frozen_age:
type: value
query:
0: SELECT max(age(datfrozenxid)) FROM pg_database
# Per-database metrics
db_stats:
type: row
query:
0: SELECT numbackends, xact_commit, xact_rollback, blks_read, blks_hit, tup_returned, tup_fetched, tup_inserted, tup_updated, tup_deleted, conflicts, temp_files, temp_bytes, deadlocks, blk_read_time, blk_write_time, extract('epoch' from stats_reset)::float FROM pg_stat_database WHERE datname = %(dbname)s
140000: SELECT numbackends, xact_commit, xact_rollback, blks_read, blks_hit, tup_returned, tup_fetched, tup_inserted, tup_updated, tup_deleted, conflicts, temp_files, temp_bytes, deadlocks, COALESCE(checksum_failures, 0) AS checksum_failures, blk_read_time, blk_write_time, session_time, active_time, idle_in_transaction_time, sessions, sessions_abandoned, sessions_fatal, sessions_killed, extract('epoch' from stats_reset)::float FROM pg_stat_database WHERE datname = %(dbname)s
# Debugging
ntables:
type: value
query:
0: SELECT count(*) AS ntables FROM pg_stat_user_tables
# Per-replication metrics
rep_stats:
type: row
query:
0: SELECT * FROM pg_stat_database WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = '{repid}'
# Debugging
sleep:
type: value
query:
0: SELECT now(), pg_sleep(5);
# Per-slot metrics
slot_stats:
type: row
query:
0: SELECT active_pid, xmin, pg_wal_lsn_diff(pg_current_wal_lsn(), restart_lsn) AS restart_bytes, pg_wal_lsn_diff(pg_current_wal_lsn(), confirmed_flush_lsn) AS confirmed_flush_bytes FROM pg_replication_slots WHERE slot_name = '{slot}'