modified: README.md

README.md

@@ -9,6 +9,7 @@ Kubernetes is an open‑source platform that automates the deployment, scaling,
   - [Create an pod](#create-an-pod)
   - [Get Pod](#get-pod)
   - [delete Pod](#delete-pod)
+  - [delete all Failed pods](#delete-all-failed-pods)
   - [delete all pods with prefix](#delete-all-pods-with-prefix)
   - [OOMKilled](#oomkilled)
   - [Attach to an pod](#attach-to-an-pod)
@@ -250,6 +251,30 @@ echo $POD_NAME
 kubectl delete pod -n appNamespace -l app=myAppName
 ```
 
+### delete all Failed pods
+
+
+``` bash
+kubectl get pods --all-namespaces --field-selector=status.phase=Failed --no-headers | wc -l
+```
+
+``` bash
+count=0
+while true; do
+  pods=$(kubectl get pods --all-namespaces --field-selector=status.phase=Failed \
+    -o jsonpath='{range .items[*]}{.metadata.namespace}{" "}{.metadata.name}{"\n"}{end}' \
+    | head -n 100)
+
+  [ -z "$pods" ] && break
+
+  echo "Batch $((++count)): deleting up to 100 pods"
+
+  while read ns name; do
+    kubectl delete pod "$name" -n "$ns"
+  done <<< "$pods"
+done
+```
+
 ### delete all pods with prefix
 
 ``` bash