To debug this further, what can the administrator do using IBM Support Assistant?

A system administrator suspects that the slow performance of an application might be caused by lock contention.

To debug this further, what can the administrator do using IBM Support Assistant?
A . Analyze the running server using IBM Monitoring and Diagnostic Tools for Java C Health Center.
B . Collect a javacore and analyze it using IBM Monitoring and Diagnostic Tools for Java C Health Center.
C . Collect three thread dumps at equal time intervals and analyze them using IBM Monitoring and Diagnostic Tools for Java C Dump Analyzer.
D . Collect three system dumps at equal time intervals and analyze them using IBM Monitoring and Diagnostic Tools for Java C Memory Analyzer.

View Answer

Answer: A

Explanation:

The IBM Monitoring and Diagnostic Tools for Java – Health Center is a lightweight tool that monitors active IBM Virtual Machines for Java with minimal performance overhead. The Health Center suggests live tuning recommendations for Garbage Collection, profiles methods including call stacks, and highlights contended locks. This information can help you optimize performance, improve stability and optimize system resource usage.

The tool is provided in two parts:

References: https://www.ibm.com/support/knowledgecenter/SS3KLZ/com.ibm.java.diagnostics.healthcenter.doc/homepage/plugin-homepage-hc.html