Package com.pivotal.gemfirexd.tools.sizer

This package contains a tool which can be used to calculate the amount of heap used by an object and all of the objects that are reachable from that object.

See: Description

Interface Summary

Interface	Description
ObjectSizer.PreQualifier

Class Summary

Class	Description
GemFireXDInstrumentation	Class that honors "-javaagent:.../lib/gemfirexd-tools.jar" It gets a handle to instrumentation agent for estimating object size in memory.
ObjectSizer	This class helps in finding out memory footprint per Region and divides memory usage between GemFireXD, GemFire and java usages.

Package com.pivotal.gemfirexd.tools.sizer Description

This package contains a tool which can be used to calculate the amount of heap used by an object and all of the objects that are reachable from that object.

The ObjectSizer uses java.lang.instrument.Instrumentation to measure the size of each individual object. It requires JDK 1.5 or greater, and the jar file must be passed to java on the command line using java -javaagent:gemfirexd.jar. See ObjectSizer for details on how to use the ObjectSizer class.