In the event that the amount of live data grows and the JVM needs to expand the heap beyond 4mb, it commits a bit more of the reserved area.

如果活动数据的数量增加，J VM需要将堆的大小扩展到4MB之外，它就会提交稍微多一点的保留区域。

youdao

In the event that the amount of live data grows and the JVM needs to expand the heap beyond 4mb, it commits a bit more of the reserved area.

如果活动数据的数量增加，J VM需要将堆的大小扩展到4MB之外，它就会提交稍微多一点的保留区域。

youdao