IBM User Guide for Java V7 on Windows > Troubleshooting and support > Using diagnostic tools > Using dump agents > Advanced control of dump agents



range option

You can start and stop dump agents on a particular occurrence of a JVM event by using the range suboption.

For example:

-Xdump:java:events=fullgc,range=100..200

Note: range=1..0 against an event means "on every occurrence".

The JVM default dump agents have the range option set to 1..0 for all events except systhrow. All systhrow events with filter=java/lang/OutOfMemoryError have the range set to 1..4, which limits the number of dumps produced on OutOfMemory conditions to a maximum of 4. For more information, see Default dump agents

If you add a new dump agent and do not specify the range, a default of 1..0 is used.


Parent: Advanced control of dump agents








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