DFSUtil.ServiceComparator

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	50 of 50	0%	18 of 18	0%	11	11	14	14	2	2
compare(DatanodeInfo, DatanodeInfo)		0%		0%	10	10	13	13	1	1
DFSUtil.ServiceComparator()		0%		n/a	1	1	1	1	1	1