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• largestFragment: Largest off-heap memory fragment that can be used to allocate an object. When an object is allocated from a fragment, the size of the fragment is decreased with the size of the object plus some heading and possibly some alignment bytes.
• freedChunks: Number of off-heap memory chunks that have been freed since the last defragmentation and that are not currently being used to store an object in the off-heap memory space.
  There are two types of chunks depending on the size of them: tiny if the size is lower than OFF_HEAP_ALIGNMENT* OFF_HEAP_FREE_LIST_COUNT (default = 512K) and huge if the size is greater.
  These chunks can also be used to allocate objects in the off-heap but the size of the freedChunk must comply with some conditions with respect to the object to be allocated. In order to allocate an object of tiny size X, a tinty freedChunk of size between X and X-OFF_HEAP_ALIGMENT-1, a tinty freedChunk of size X must be found. In order to allocate an object of huge size between X and X-256-1, a huge freedChunk of size between X and X -256-1 must be found.

Other information that could be added to the off-heap documentation could be:

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