This will allow you to use the heap space of all the JVMs in the super cluster to form an extremely large grid space.
这将允许您使用超级集群中所有JVM的堆空间来形成一个庞大的网格空间。
The ObjectMap is a map local to the application; in other words, the map exists in the heap space of the same JVM on which the application is running.
ObjectMap 是应用程序本地的映射，也就是说，映射存在于应用程序运行所在的堆空间中。
If the minor collection frees enough heap space, the user program can resume immediately.
如果小的收集释放了足够的堆空间，那么用户程序就可以立即恢复。
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