hprof ???? ??????

? Java ????? ??? ??? ???, ??? ?? ??? ?? ??? ???? ????.

?? Java Virtual Machine? ?? ?? ?? ? ?? ?? ??? ???????.

hprof? ?? ??? ??????

??? ?????:

/**
 * VM Args：-Xms20m -Xmx20m -XX:+HeapDumpOnOutOfMemoryError
 * @author zzm
 */
public class HeapOOM {
    static class OOMObject {
    }
    public static void main(String[] args) {
        List<OOMObject> list = new ArrayList<OOMObject>();
        while (true) {
            list.add(new OOMObject());
        }
    }
}

???? ?? ??:

??? ??? hprof ?? ??:

E: IdeaProjectsjava-virtualjava_pid2432.hprof

?? ??? ????? ?? ? ???? ?? ?????? ??? ? ????.

Memory Analyser

?? ????: http://www.eclipse.org/mat/downloads.php

?? ???? ???. ??? ???? ?? hprof? ?????.

? ??? hprof? ?? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!