Reset Interval to Default Settings Across All Metrics.........................................................

184

Changing Time Interval in Monitoring Visualizers.................................................................

184

Change Color Selection for Histogram Display..................................................................................

185

9 Understanding How HPjmeter Works ....................................................................

187

Performance Overhead on Running Applications..............................................................................

187

Application Server Startup Time...................................................................................................

187

Monitoring Overhead....................................................................................................................

187

Changes in Memory Overhead With Dynamic Attach............................................................

187

Profiling Overhead and Intrusion.................................................................................................

187

Node Agent Overhead...................................................................................................................

187

Console Overhead..........................................................................................................................

188

Data Sampling Considerations...........................................................................................................

188

Using Confidence Interval to Indicate Sample Validity................................................................

188

How Memory Leak Detection Works.................................................................................................

189

Tapping in to Standard Management of the Java Virtual Machine....................................................

190

10 Troubleshooting ......................................................................................................

192

Documentation and Support..............................................................................................................

192

Identifying Version Numbers.............................................................................................................

192

Installation...........................................................................................................................................

192

Console ...............................................................................................................................................

193

JVM agent............................................................................................................................................

194

Node agent..........................................................................................................................................

195

Zero Preparation Profiling..................................................................................................................

195

Unexpected Behavior in Visualizers...................................................................................................

196

A Quick References.......................................................................................................

197

Connecting to the HPjmeter Node Agent...........................................................................................

197

Determining Which HPjmeter Features Are Available With a Specific JVM Version........................

197

Default Location of Xverbosegc and Allocation Site Statistics Data Files..........................................

198

Glossary ........................................................................................................................

199

Index...............................................................................................................................

202

Table of Contents

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