Metric Name changed

userguide/platform/userguide_deployment.adoc

@@ -357,8 +357,8 @@ To integrate JMX beans with Nagios, download the plugin from https://github.com/
 ./check_jmx_ng -v -U service:jmx:rmi:///jndi/rmi://127.0.0.1:8989/jmxrmi -O org.killbill.notificationq.api:name=NotificationQueueService -A NotificationProcessingSuspended -w false
 # Generic Kill Bill healthcheck, checks the overall state of the application (warns if unhealthy)
 ./check_jmx_ng -v -U service:jmx:rmi:///jndi/rmi://127.0.0.1:8989/jmxrmi -O org.killbill.billing.server.healthchecks:name=KillbillHealthcheck -A Healthy -w true
-# Monitors the size of the notification queue. Warning and Critical alerts often mean an overload of the system
-./check_jmx_ng -v -U service:jmx:rmi:///jndi/rmi://127.0.0.1:8989/jmxrmi -O metrics:name=org.killbill.notificationq.NotificationQueueDispatcher.pending-notifications -A Value -w 50 -c 100
+# Generates the overdue queue processing times like a histogram(max,min,average,mean,50th percentile,75th percentile,99th percentile etc.)
+./check_jmx_ng -v -U service:jmx:rmi:///jndi/rmi://127.0.0.1:8989/jmxrmi -O metrics:name=org.killbill.notificationq.NotificationQueueDispatcher.ove-overdue-check-queue-ProcessingTime -A Value -w 50 -c 100
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 Other interesting metrics (use of the `-P` flag to get Nagios performance data):