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pg_replication:
query: "SELECT EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp())) as lag"
master: true
metrics:
- lag:
usage: "GAUGE"
description: "Replication lag behind master in seconds"
pg_postmaster:
query: "SELECT pg_postmaster_start_time as start_time_seconds from pg_postmaster_start_time()"
master: true
metrics:
- start_time_seconds:
usage: "GAUGE"
description: "Time at which postmaster started"
pg_stat_user_tables:
query: "SELECT current_database() datname, schemaname, relname, seq_scan, seq_tup_read, idx_scan, idx_tup_fetch, n_tup_ins, n_tup_upd, n_tup_del, n_tup_hot_upd, n_live_tup, n_dead_tup, n_mod_since_analyze, COALESCE(last_vacuum, '1970-01-01Z'), COALESCE(last_vacuum, '1970-01-01Z') as last_vacuum, COALESCE(last_autovacuum, '1970-01-01Z') as last_autovacuum, COALESCE(last_analyze, '1970-01-01Z') as last_analyze, COALESCE(last_autoanalyze, '1970-01-01Z') as last_autoanalyze, vacuum_count, autovacuum_count, analyze_count, autoanalyze_count FROM pg_stat_user_tables"
metrics:
- datname:
usage: "LABEL"
description: "Name of current database"
- schemaname:
usage: "LABEL"
description: "Name of the schema that this table is in"
- relname:
usage: "LABEL"
description: "Name of this table"
- seq_scan:
usage: "COUNTER"
description: "Number of sequential scans initiated on this table"
- seq_tup_read:
usage: "COUNTER"
description: "Number of live rows fetched by sequential scans"
- idx_scan:
usage: "COUNTER"
description: "Number of index scans initiated on this table"
- idx_tup_fetch:
usage: "COUNTER"
description: "Number of live rows fetched by index scans"
- n_tup_ins:
usage: "COUNTER"
description: "Number of rows inserted"
- n_tup_upd:
usage: "COUNTER"
description: "Number of rows updated"
- n_tup_del:
usage: "COUNTER"
description: "Number of rows deleted"
- n_tup_hot_upd:
usage: "COUNTER"
description: "Number of rows HOT updated (i.e., with no separate index update required)"
- n_live_tup:
usage: "GAUGE"
description: "Estimated number of live rows"
- n_dead_tup:
usage: "GAUGE"
description: "Estimated number of dead rows"
- n_mod_since_analyze:
usage: "GAUGE"
description: "Estimated number of rows changed since last analyze"
- last_vacuum:
usage: "GAUGE"
description: "Last time at which this table was manually vacuumed (not counting VACUUM FULL)"
- last_autovacuum:
usage: "GAUGE"
description: "Last time at which this table was vacuumed by the autovacuum daemon"
- last_analyze:
usage: "GAUGE"
description: "Last time at which this table was manually analyzed"
- last_autoanalyze:
usage: "GAUGE"
description: "Last time at which this table was analyzed by the autovacuum daemon"
- vacuum_count:
usage: "COUNTER"
description: "Number of times this table has been manually vacuumed (not counting VACUUM FULL)"
- autovacuum_count:
usage: "COUNTER"
description: "Number of times this table has been vacuumed by the autovacuum daemon"
- analyze_count:
usage: "COUNTER"
description: "Number of times this table has been manually analyzed"
- autoanalyze_count:
usage: "COUNTER"
description: "Number of times this table has been analyzed by the autovacuum daemon"
pg_statio_user_tables:
query: "SELECT current_database() datname, schemaname, relname, heap_blks_read, heap_blks_hit, idx_blks_read, idx_blks_hit, toast_blks_read, toast_blks_hit, tidx_blks_read, tidx_blks_hit FROM pg_statio_user_tables"
metrics:
- datname:
usage: "LABEL"
description: "Name of current database"
- schemaname:
usage: "LABEL"
description: "Name of the schema that this table is in"
- relname:
usage: "LABEL"
description: "Name of this table"
- heap_blks_read:
usage: "COUNTER"
description: "Number of disk blocks read from this table"
- heap_blks_hit:
usage: "COUNTER"
description: "Number of buffer hits in this table"
- idx_blks_read:
usage: "COUNTER"
description: "Number of disk blocks read from all indexes on this table"
- idx_blks_hit:
usage: "COUNTER"
description: "Number of buffer hits in all indexes on this table"
- toast_blks_read:
usage: "COUNTER"
description: "Number of disk blocks read from this table's TOAST table (if any)"
- toast_blks_hit:
usage: "COUNTER"
description: "Number of buffer hits in this table's TOAST table (if any)"
- tidx_blks_read:
usage: "COUNTER"
description: "Number of disk blocks read from this table's TOAST table indexes (if any)"
- tidx_blks_hit:
usage: "COUNTER"
description: "Number of buffer hits in this table's TOAST table indexes (if any)"
pg_database:
query: "SELECT pg_database.datname, pg_database_size(pg_database.datname) as size FROM pg_database"
master: true
cache_seconds: 30
metrics:
- datname:
usage: "LABEL"
description: "Name of the database"
- size_bytes:
usage: "GAUGE"
description: "Disk space used by the database"
pg_stat_statements:
query: "SELECT t2.rolname, t3.datname, queryid, calls, total_time / 1000 as total_time_seconds, min_time / 1000 as min_time_seconds, max_time / 1000 as max_time_seconds, mean_time / 1000 as mean_time_seconds, stddev_time / 1000 as stddev_time_seconds, rows, shared_blks_hit, shared_blks_read, shared_blks_dirtied, shared_blks_written, local_blks_hit, local_blks_read, local_blks_dirtied, local_blks_written, temp_blks_read, temp_blks_written, blk_read_time / 1000 as blk_read_time_seconds, blk_write_time / 1000 as blk_write_time_seconds FROM pg_stat_statements t1 join pg_roles t2 on (t1.userid=t2.oid) join pg_database t3 on (t1.dbid=t3.oid)"
master: true
metrics:
- rolname:
usage: "LABEL"
description: "Name of user"
- datname:
usage: "LABEL"
description: "Name of database"
- queryid:
usage: "LABEL"
description: "Query ID"
- calls:
usage: "COUNTER"
description: "Number of times executed"
- total_time_seconds:
usage: "COUNTER"
description: "Total time spent in the statement, in milliseconds"
- min_time_seconds:
usage: "GAUGE"
description: "Minimum time spent in the statement, in milliseconds"
- max_time_seconds:
usage: "GAUGE"
description: "Maximum time spent in the statement, in milliseconds"
- mean_time_seconds:
usage: "GAUGE"
description: "Mean time spent in the statement, in milliseconds"
- stddev_time_seconds:
usage: "GAUGE"
description: "Population standard deviation of time spent in the statement, in milliseconds"
- rows:
usage: "COUNTER"
description: "Total number of rows retrieved or affected by the statement"
- shared_blks_hit:
usage: "COUNTER"
description: "Total number of shared block cache hits by the statement"
- shared_blks_read:
usage: "COUNTER"
description: "Total number of shared blocks read by the statement"
- shared_blks_dirtied:
usage: "COUNTER"
description: "Total number of shared blocks dirtied by the statement"
- shared_blks_written:
usage: "COUNTER"
description: "Total number of shared blocks written by the statement"
- local_blks_hit:
usage: "COUNTER"
description: "Total number of local block cache hits by the statement"
- local_blks_read:
usage: "COUNTER"
description: "Total number of local blocks read by the statement"
- local_blks_dirtied:
usage: "COUNTER"
description: "Total number of local blocks dirtied by the statement"
- local_blks_written:
usage: "COUNTER"
description: "Total number of local blocks written by the statement"
- temp_blks_read:
usage: "COUNTER"
description: "Total number of temp blocks read by the statement"
- temp_blks_written:
usage: "COUNTER"
description: "Total number of temp blocks written by the statement"
- blk_read_time_seconds:
usage: "COUNTER"
description: "Total time the statement spent reading blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"
- blk_write_time_seconds:
usage: "COUNTER"
description: "Total time the statement spent writing blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"
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