fix(schema): sort queries into subdirs

schema/query/alert-mem-slow.sql → schema/query/alert/instance-memory.sql

@@ -1,3 +1,21 @@
+-- this query relies on the node_pct prometheus rules
+SELECT
+  l.labels->>'nodename' AS "instance",
+  $__timeGroup(m."time", $__interval),
+  MIN(m.value) AS value
+FROM metrics AS m
+JOIN metric_labels AS l
+  ON l.labels->>'__name__' = 'node_uname_info' AND
+     m.labels->>'instance' = l.labels->>'instance'
+WHERE
+  $__timeFilter(m."time") AND
+  m.name = 'node_memory_free_pct' AND
+  m.value != 'NaN'
+GROUP BY instance, m.time
+ORDER BY instance, m.time;
+
+-- this query does not need any prometheus rules, but
+-- does a low join across two metrics
 SELECT
   REGEXP_REPLACE(instance, '(.+):[0-9]+', '\1') AS "metric",
   time,

schema/query/alert-root-slow.sql → schema/query/alert/instance-root.sql

@@ -1,3 +1,21 @@
+-- this query relies on the node_pct prometheus rules
+SELECT
+  l.labels->>'nodename' AS "instance",
+  $__timeGroup(m."time", $__interval),
+  MIN(m.value) AS value
+FROM metrics AS m
+JOIN metric_labels AS l
+  ON l.labels->>'__name__' = 'node_uname_info' AND
+     m.labels->>'instance' = l.labels->>'instance'
+WHERE
+  $__timeFilter(m."time") AND
+  m.name = 'node_filesystem_free_pct' AND
+  m.value != 'NaN'
+GROUP BY instance, m.time
+ORDER BY instance, m.time;
+
+-- this query does not rely on any prometheus rules, but
+-- does a slow join across two metrics
 SELECT
   REGEXP_REPLACE(instance, '(.+):[0-9]+', '\1') AS "metric",
   time,

schema/query/schema/compressed-chunks.sql

@@ -0,0 +1,8 @@
+-- get chunk sizes
+SELECT
+  hypertable_name,
+  chunk_name,
+  compressed_total_bytes,
+  uncompressed_total_bytes
+FROM timescaledb_information.compressed_chunk_stats
+WHERE compression_status = 'Compressed';

schema/query/schema/compressed-ratio.sql

@@ -0,0 +1,7 @@
+-- get compression ratio
+SELECT
+  hypertable_name,
+  1 - AVG(pg_size_bytes(compressed_total_bytes)::float / pg_size_bytes(uncompressed_total_bytes)) AS compression_ratio
+FROM timescaledb_information.compressed_chunk_stats
+WHERE compression_status = 'Compressed'
+GROUP BY hypertable_name;

schema/query/schema/size-labels.sql

@@ -0,0 +1,13 @@
+-- get labels size
+SELECT
+  nspname || '.' || relname AS "relation",
+  pg_size_pretty(pg_total_relation_size(C.oid)) AS "total_size"
+FROM pg_class C
+LEFT JOIN pg_namespace N
+ON (N.oid = C.relnamespace)
+WHERE
+  nspname NOT IN ('pg_catalog', 'information_schema') AND
+  C.relkind <> 'i' AND
+  nspname !~ '^pg_toast' AND
+  relname LIKE 'metric%'
+ORDER BY pg_total_relation_size(C.oid) DESC;

schema/query/schema/size-tables.sql

@@ -0,0 +1,9 @@
+-- get table sizes
+SELECT
+  CONCAT(table_schema, '.', table_name),
+  num_dimensions,
+  num_chunks,
+  total_size
+FROM timescaledb_information.hypertable;
+-- this can have a WHERE table_name LIKE 'metric%', but that will
+-- omit compressed and aggregate hypertables from the list