chart: disable collecting database size metric

Signed-off-by: Paweł Krupa (paulfantom) <pawel@krupa.net.pl>

Author: paulfantom

chart/Chart.yaml

@@ -12,7 +12,7 @@ keywords:
   - monitoring
   - tracing
   - opentelemetry
-version: 17.23.0
+version: 17.23.1
 # TODO(paulfantom): Enable after kubernetes 1.22 reaches EOL (2022-10-28)
 # kubeVersion: ">= 1.23.0"
 dependencies:

chart/values.yaml

@@ -66,6 +66,10 @@ timescaledb-single:
     image:
       repository: quay.io/prometheuscommunity/postgres-exporter
       tag: v0.11.1
+    args:
+    # Disabling collecting database size statistics as this can be expensive
+    # and some of this data is also provided via node_exporter.
+    - "--no-collector.database"
   # Specifies whether PodMonitor for Prometheus operator should be created
   podMonitor:
     enabled: true