metrics: Remove pod from the queue after deleting metrics

This is done to prevent a memory leak in environments with a high pod churn or very long-running Tetragon agents. Credits to Tam Mach for fixing a similar issue in cilium/cilium#31714. Signed-off-by: Anna Kapuscinska <[email protected]>
cilium · Apr 3, 2024 · 86e210a · 86e210a
1 parent 91ec63f
commit 86e210a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pkg/metrics/metricwithpod.go b/pkg/metrics/metricwithpod.go
@@ -128,5 +128,6 @@ func StartPodDeleteHandler() {
 			return
 		}
 		DeleteMetricsForPod(pod.(*corev1.Pod))
+		queue.Done(pod)
 	}
 }