Tomcat alert for "Heap Usage" > 90% of "Heap Maximum Size" in JBoss ON
Issue
- Noticed that the
Heap Usage Percentagemetric is giving a value based on committed heap instead of max heap which is sending false alerts in our system. How to set a Group Alert to send an alert when "Heap Usage" > 90% of "Heap Maximum Size"
Environment
- Red Hat JBoss Operations Network (ON) 3.3
- Tomcat Server
- ON Dynagroup definitions for Tomcat by Heap Size:
TomcatGroupBy512MHeap
resource.type.plugin = Tomcat
resource.type.name = Tomcat Server
resource.trait[TomcatServerJVM.HeapMemoryUsage.max]=512M
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