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garbage-collectionjvmpermgensolaris-10

solaris10/weblogic10 memory and -d64 boost

What is the impact to put -d64 into the Liferay 5.2, weblogic 10 over Solaris environment? What is the impact of choosing Xms=Xmx=8GB and PermGen=1g, in that setup.

[Hands on experience: I see some Null exceptions occasionally, but the application is on and I don't see problems data, or visually. It's a test environment, not any production. ]

Thank you for any comment

Solution

  • These options impact performance so there will not be any functional impact to your application.

    -d64 explained : What impact, if any, does the -d64 switch have on Sun JVM resident memory usage?

    Xms=Xmx=8GB, PermGen=1g : These are Heap Size settings, these will influence the GC algorithm running time.