Fix and reformat several queries

This commit is contained in:
2025-06-18 03:03:34 -04:00
parent 4fba81dc2c
commit b7f731c6ac
4 changed files with 192 additions and 21 deletions

View File

@@ -5,16 +5,36 @@ metrics:
discover_dbs:
type: set
query:
0: SELECT datname AS dbname FROM pg_database
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
0: >
SELECT client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') AS repid,
client_addr,
state
FROM pg_stat_replication
discover_slots:
type: set
query:
90400: SELECT slot_name, plugin, slot_type, database, false as temporary, active FROM pg_replication_slots
100000: SELECT slot_name, plugin, slot_type, database, temporary, active FROM pg_replication_slots
90400: >
SELECT slot_name,
plugin,
slot_type,
database,
false as temporary,
active
FROM pg_replication_slots
100000: >
SELECT slot_name,
plugin,
slot_type,
database,
temporary,
active
FROM pg_replication_slots
##
# cluster-wide metrics
@@ -27,13 +47,43 @@ metrics:
max_frozen_age:
type: row
query:
0: SELECT max(age(datfrozenxid)) AS xid_age, 0 AS mxid_age FROM pg_database
90600: SELECT max(age(datfrozenxid)) AS xid_age, max(mxid_age(datminmxid)) AS mxid_age FROM pg_database
0: >
SELECT max(age(datfrozenxid)) AS xid_age,
0 AS mxid_age
FROM pg_database
90600: >
SELECT max(age(datfrozenxid)) AS xid_age,
max(mxid_age(datminmxid)) AS mxid_age
FROM pg_database
bgwriter:
type: row
query:
0: SELECT checkpoints_timed, checkpoints_req, checkpoint_write_time, checkpoint_sync_time, buffers_checkpoint, buffers_clean, maxwritten_clean, buffers_backend, buffers_backend_fsync, buffers_alloc FROM pg_stat_bgwriter;
0: >
SELECT checkpoints_timed,
checkpoints_req,
checkpoint_write_time,
checkpoint_sync_time,
buffers_checkpoint,
buffers_clean,
maxwritten_clean,
buffers_backend,
buffers_backend_fsync,
buffers_alloc
FROM pg_stat_bgwriter
170000: >
SELECT cp.num_timed AS checkpoints_timed,
cp.num_requested AS checkpoints_req,
cp.write_time AS checkpoint_write_time,
cp.sync_time AS checkpoint_sync_time,
cp.buffers_written AS buffers_checkpoint,
bg.buffers_clean AS buffers_clean,
bg.maxwritten_clean AS maxwritten_clean,
NULL AS buffers_backend,
NULL AS buffers_backend_fsync,
bg.buffers_alloc AS buffers_alloc
FROM pg_stat_bgwriter bg
CROSS JOIN pg_stat_checkpointer cp
##
@@ -42,27 +92,89 @@ 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, 0 AS checksum_failures, blk_read_time, blk_write_time, 0 AS session_time, 0 AS active_time, 0 AS idle_in_transaction_time, 0 AS sessions, 0 AS sessions_abandoned, 0 AS sessions_fatal, 0 AS sessions_killed, extract('epoch' from stats_reset)::float AS stats_reset 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 AS stats_reset FROM pg_stat_database WHERE datname = %(dbname)s
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,
0 AS checksum_failures,
blk_read_time,
blk_write_time,
0 AS session_time,
0 AS active_time,
0 AS idle_in_transaction_time,
0 AS sessions,
0 AS sessions_abandoned,
0 AS sessions_fatal,
0 AS sessions_killed,
extract('epoch' from stats_reset)::float AS stats_reset
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 AS stats_reset
FROM pg_stat_database WHERE datname = %(dbname)s
test_args:
dbname: postgres
hit_ratios:
type: row
query:
0: SELECT sum(heap_blks_read)::float / NULLIF(sum(heap_blks_read + heap_blks_hit), 0) AS avg_heap_hit_ratio, sum(idx_blks_hit)::float / NULLIF(sum(idx_blks_read + idx_blks_hit), 0) AS avg_idx_hit_ratio, sum(toast_blks_hit)::float / NULLIF(sum(toast_blks_read + toast_blks_hit), 0) AS avg_toast_hit_ratio, sum(tidx_blks_hit)::float / NULLIF(sum(tidx_blks_read + tidx_blks_hit), 0) AS avg_tidx_hit_ratio FROM pg_statio_all_tables
0: >
SELECT sum(heap_blks_read)::float / NULLIF(sum(heap_blks_read + heap_blks_hit), 0) AS avg_heap_hit_ratio,
sum(idx_blks_hit)::float / NULLIF(sum(idx_blks_read + idx_blks_hit), 0) AS avg_idx_hit_ratio,
sum(toast_blks_hit)::float / NULLIF(sum(toast_blks_read + toast_blks_hit), 0) AS avg_toast_hit_ratio,
sum(tidx_blks_hit)::float / NULLIF(sum(tidx_blks_read + tidx_blks_hit), 0) AS avg_tidx_hit_ratio
FROM pg_statio_all_tables
test_args:
dbname: postgres
activity:
type: row
type: set
query:
0: >
SELECT count(*) as backend_count,
count(*) FILTER (WHERE state = 'idle') AS idle_count,
count(*) FILTER (WHERE state = 'idle in transaction') AS idle_tx_count,
COALESCE(EXTRACT(EPOCH FROM max(now() - state_change) FILTER (WHERE state = 'active'))::float, 0) AS max_active_time,
COALESCE(EXTRACT(EPOCH FROM max(now() - state_change) FILTER (WHERE state = 'idle in transaction'))::float, 0) AS max_idle_tx_time
SELECT state,
count(*) AS backend_count,
COALESCE(EXTRACT(EPOCH FROM max(now() - state_change))::float, 0) AS max_state_time
FROM pg_stat_activity
WHERE datname = %(dbname)s
GROUP BY state
test_args:
dbname: postgres
##
# Per-replication metrics
@@ -70,7 +182,46 @@ metrics:
rep_stats:
type: row
query:
90400: SELECT pid, usename, EXTRACT(EPOCH FROM backend_start)::integer AS backend_start, state, sent_lsn, write_lsn, flush_lsn, replay_lsn, COALESCE(EXTRACT(EPOCH FROM write_lag), 0)::integer AS write_lag, COALESCE(EXTRACT(EPOCH FROM flush_lag), 0)::integer AS flush_lag, COALESCE(EXTRACT(EPOCH FROM replay_lag), 0)::integer AS replay_lag, sync_state FROM pg_stat_replication WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
90400: >
SELECT pid, usename,
EXTRACT(EPOCH FROM backend_start)::integer AS backend_start,
state,
pg_xlog_location_diff(pg_current_xlog_location(), sent_location) AS sent_lsn,
pg_xlog_location_diff(pg_current_xlog_location(), write_location) AS write_lsn,
pg_xlog_location_diff(pg_current_xlog_location(), flush_location) AS flush_lsn,
pg_xlog_location_diff(pg_current_xlog_location(), replay_location) AS replay_lsn,
NULL AS write_lag,
NULL AS flush_lag,
NULL AS replay_lag,
sync_state
FROM pg_stat_replication
WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
90600: >
SELECT pid, usename,
EXTRACT(EPOCH FROM backend_start)::integer AS backend_start,
state,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), sent_lsn) AS sent_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), write_lsn) AS write_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), flush_lsn) AS flush_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), replay_lsn) AS replay_lsn,
COALESCE(EXTRACT(EPOCH FROM write_lag), 0)::integer AS write_lag,
COALESCE(EXTRACT(EPOCH FROM flush_lag), 0)::integer AS flush_lag,
COALESCE(EXTRACT(EPOCH FROM replay_lag), 0)::integer AS replay_lag,
sync_state
FROM pg_stat_replication WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
100000: >
SELECT pid, usename,
EXTRACT(EPOCH FROM backend_start)::integer AS backend_start,
state,
pg_wal_lsn_diff(pg_current_wal_lsn(), sent_lsn) AS sent_lsn,
pg_wal_lsn_diff(pg_current_wal_lsn(), write_lsn) AS write_lsn,
pg_wal_lsn_diff(pg_current_wal_lsn(), flush_lsn) AS flush_lsn,
pg_wal_lsn_diff(pg_current_wal_lsn(), replay_lsn) AS replay_lsn,
COALESCE(EXTRACT(EPOCH FROM write_lag), 0)::integer AS write_lag,
COALESCE(EXTRACT(EPOCH FROM flush_lag), 0)::integer AS flush_lag,
COALESCE(EXTRACT(EPOCH FROM replay_lag), 0)::integer AS replay_lag,
sync_state
FROM pg_stat_replication WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
test_args:
repid: 127.0.0.1_test_rep
@@ -81,8 +232,24 @@ metrics:
slot_stats:
type: row
query:
90400: SELECT active_pid, xmin, pg_xlog_location_diff(pg_current_xlog_location(), restart_lsn) AS restart_bytes, pg_xlog_location_diff(pg_current_xlog_location(), confirmed_flush_lsn) AS confirmed_flush_bytes FROM pg_replication_slots WHERE slot_name = %(slot)s
100000: 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)s
90400: >
SELECT NULL as active_pid,
xmin,
pg_xlog_location_diff(pg_current_xlog_location(), restart_lsn) AS restart_bytes,
NULL AS confirmed_flush_bytes
FROM pg_replication_slots WHERE slot_name = %(slot)s
90600: >
SELECT active_pid,
xmin,
pg_xlog_location_diff(pg_current_xlog_location(), restart_lsn) AS restart_bytes,
pg_xlog_location_diff(pg_current_xlog_location(), confirmed_flush_lsn) AS confirmed_flush_bytes
FROM pg_replication_slots WHERE slot_name = %(slot)s
100000: >
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)s
test_args:
slot: test_slot