![]() ![]() Consider setting Xms and Xmx to the same value, as this can decrease the time GC takes to occur, as it will not attempt to resize the heap down on each collection.In a simplistic explanation, PermGen is used to store classes, and is generally quite static in size, and has been removed in Java 8. If your error does not reference PermGen, there is no need to increase it.OutOfMemoryError : PermGen space, increase the -XX:MaxPermSize parameter in 256mb increments until the error stops occurring. This is because increasing the heap beyond the capabilities of your server to adequately Garbage Collect can cause other problems (eg performance/freezing) Max turbo frequency is the maximum single core frequency at which the processor is capable of operating using Intel Turbo Boost. Increase Xmx in small increments (eg 512mb at a time), until you no longer experience the OutOfMemory error. ![]() If you do decide to increase the memory settings, there are a few general guidelines to follow: In case you need advice regarding how much memory you should use please check this page for some examples of hardware specifications.
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