In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations to other live machines. c)The namenode allows new client request to keep trying to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.

In a Hadoop cluster, what is true for a HDFS block that is no longer
available due to disk corruption or machine failure?
a)It is lost for ever
b)It can be replicated form its alternative locations to other live
machines.
c)The namenode allows new client request to keep trying to read it.
d)The Mapreduce job process runs ignoring the block and the data stored in
it.
by

1 Answer

Answer :

It can be replicated form its alternative locations to other live
machines.
by

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