Heap and File Failure Tool 堆和文件故障工具
The trigger for a GC is usually an allocation failure - this occurs when the allocation of an object to the JVM heap fails due to insufficient available space.
GC的触发器通常是一个分配失败。分配失败是指，由于可用空间不足，无法将一个对象分配到jvm堆。
It is the Darwinian failure of being at the bottom of the heap that is truly stressful and bad for the health.
达尔文派的观点——处于社会底层才真正经受压力而且对健康不利，是失败的。
This entry lets us know that there was an allocation failure, which presents itself when there is not enough contiguous space in the heap to allocate the object.
通过这个条目，我们能够知道有一个分配失败，当heap内没有足够的连续空间可以分配给对象时，就会发生分配失败。
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