Rotate the GC verbose log with IBM JVM

If you need to activate the verbose gc log, you can use a custom IBM JVM parameter to activate the rotate: Xverbosegclog:/#.txt,,.

For example
-Xverbosegclog:/var/log/appl/verboseGCLog#.txt,10,1000
will change the verbose GC log on 10 files, generating one file after 1000 allocation failures.

This is the valid parameter for 1.4.2 version (http://publib.boulder.ibm.com/infocenter/javasdk/v1r4m2/index.jsp?topic=/com.ibm.java.doc.diagnostics.142j9/html/gcparameters.html)

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