All parallel collectors require very delicate tuneup because of the "Lose The Race" phenomena. Can anyone help me out with this issue? Before going in further discusion on this topic let us first exemine command line parameters that we can use to set memory size limits:. Hello, I am getting following error, while starting a core Java based Server in a shared Solaris host "Error occurred during initialization of VM Could not reserve enough space for object heap" , Program was running fine few days ago, but when I am restarting it now, it's giving me this error. Though there could be multiple reasons for that I think It could be because of Windows trying to allocate a contiguous chunk of memory as Java heap space.
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