feat: add metrics from cluster-example-monitoring.yaml

This adds the metrics from cloudnative-pg/blob/docs/src/samples/cluster-example-monitoring.yaml Since these metrics are in the sample, it is nice to have them in the defaults. Signed-off-by: Pat Riehecky <[email protected]>
cloudnative-pg · Nov 26, 2024 · 349570e · 349570e
1 parent 2ee4e01
commit 349570e
Showing 1 changed file with 175 additions and 0 deletions.
diff --git a/charts/cloudnative-pg/values.yaml b/charts/cloudnative-pg/values.yaml
@@ -630,3 +630,178 @@ monitoringQueriesConfigMap:
         - setting:
             usage: "GAUGE"
             description: "Setting value"
+    pg_stat_activity:
+      query: |
+        WITH
+          metrics AS (
+            SELECT
+              application_name,
+              SUM(EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP - state_change))::bigint)::float AS process_idle_seconds_sum,
+              COUNT(*) AS process_idle_seconds_count
+            FROM pg_stat_activity
+            WHERE state = 'idle'
+            GROUP BY application_name
+          ),
+          buckets AS (
+            SELECT
+              application_name,
+              le,
+              SUM(
+                CASE WHEN EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP - state_change)) <= le
+                  THEN 1
+                  ELSE 0
+                END
+              )::bigint AS bucket
+            FROM
+              pg_stat_activity,
+              UNNEST(ARRAY[1, 2, 5, 15, 30, 60, 90, 120, 300]) AS le
+            GROUP BY application_name, le
+            ORDER BY application_name, le
+          )
+        SELECT
+          application_name,
+          process_idle_seconds_sum,
+          process_idle_seconds_count,
+          ARRAY_AGG(le) AS process_idle_seconds,
+          ARRAY_AGG(bucket) AS process_idle_seconds_bucket
+        FROM metrics JOIN buckets USING (application_name)
+        GROUP BY 1, 2, 3
+      metrics:
+        - application_name:
+            usage: "LABEL"
+            description: "Application Name"
+        - process_idle_seconds:
+            usage: "HISTOGRAM"
+            description: "Idle time of server processes"
+    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_stat_user_tables:
+      target_databases:
+      - "*"
+      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') 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"