@@ -27,7 +27,12 @@ def killdeadAlarms(fleetId, monitorapp, project):
                 if eachevent["EventInformation"]["EventSubType"] == "terminated":
                     todel.append(eachevent["EventInformation"]["InstanceId"])
     todel = [f"{project}_{x}" for x in todel]
-    cloudwatch.delete_alarms(AlarmNames=todel)
+    if len(todel) <= 100:
+        cloudwatch.delete_alarms(AlarmNames=todel)
+    while len(todel) > 100:
+        dellist = todel[:100]
+        cloudwatch.delete_alarms(AlarmNames=dellist)
+        todel = todel[100:]
     print("Old alarms deleted")
 
 
@@ -115,7 +120,12 @@ def lambda_handler(event, lambda_context):
         active_instances = []
         for instance in active_dictionary["ActiveInstances"]:
             active_instances.append(instance["InstanceId"])
-        cloudwatch.delete_alarms(AlarmNames=active_instances)
+        if len(active_instances) <= 100:
+            cloudwatch.delete_alarms(AlarmNames=active_instances)
+        while len(active_instances) > 100:
+            dellist = active_instances[:100]
+            cloudwatch.delete_alarms(AlarmNames=dellist)
+            active_instances = active_instances[100:]
         killdeadAlarms(fleetId, monitorapp, project)
 
         # Read spot fleet id and terminate all EC2 instances