Added pg_statio_user_tables

Author: Danie

queries.yaml

@@ -78,6 +78,40 @@ pg_stat_user_tables:
     - autoanalyze_count:
         usage: "COUNTER"
         description: "Number of times this table has been analyzed by the autovacuum daemon"
+
+pg_statio_user_tables:
+  query: "SELECT 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:
+    - 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"