208d57b3_HDFS__Feature
[Description] Provides redundancy and supports high availability (HA) [Feature] 
Standby NameNode
R a c k a w a r e n e s s
M i n i m a l d a t a m o t i o n
U t i l i t i e s
R o l l b a c k
S t a n d b y N a m e N o d e
O p e r a b i l i t y
HDFS