Hadoop 5 true false false Hadoop false Hadoop:service=DataNode,name=FSDatasetState dynamic Hadoop Remaining 1 long 1 NumFailedVolumes 1 int 2 LastVolumeFailureDate 1 long 3 EstimatedCapacityLostTotal 1 long 4 NumBlocksCached 1 long 5 NumBlocksFailedToCache 1 long 6 NumBlocksFailedToUnCache 1 long 7 Capacity 1 long 8 DfsUsed 1 long 9 CacheCapacity 1 long 10 CacheUsed 1 long 11