From 42a9220a86293c75b38b262fdbafa59fd869a915 Mon Sep 17 00:00:00 2001
From: r2k1 <yokree@gmail.com>
Date: Fri, 25 Aug 2023 11:34:50 +1200
Subject: [PATCH] undo deletion of a sample query

---
 docs/integrations/prometheus.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docs/integrations/prometheus.md b/docs/integrations/prometheus.md
index 7c4e408..3391d1e 100644
--- a/docs/integrations/prometheus.md
+++ b/docs/integrations/prometheus.md
@@ -104,7 +104,15 @@ sort_desc(
 - `sum by (type, namespace)`  controls the grouping, available options are `container, namespace, node, pod, type`
 
 
+__Hourly memory cost for the *default* namespace__
 
+```
+sum(
+  avg(container_memory_allocation_bytes{namespace="default"}) by (instance) / 1024 / 1024 / 1024
+  *
+  on(instance) group_left() avg(node_ram_hourly_cost) by (instance)
+)
+```
 
 __Monthly cost of provisioned nodes__