java - What happens when we set Xmx and Xms equal size -


when set values of xms , xmx equal, impact on fullgc, or allocation young/ tenured gen in hotspot.

does make difference in jrockit?

setting these 2 parameters same value best practice. prevent jvm resizing heap. main effect other parts of heap, generations, not change due heap resizing. allows better understand , configure heap. removes pauses caused resizing heap. secnario 1 not client java application, competes many other applications on available memory. in todays use cases, can assign fixed chunk of memory java (in server apps example)


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