What is high availability in hadoop?
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How we can change Replication factor when Data is on the fly?
What is Safemode in Apache Hadoop?
What will you do when NameNode is down?
How to enable/configure the compression of map output data in hadoop?
How to exit the vi editor?
Why is Apache Spark faster than Apache Hadoop?
How to configure hadoop to reuse JVM for mappers?
Give the use of the bootstrap panel.
What alternate way does HDFS provides to recover data in case a Namenode
What is cloudera and why it is used?
what is meaning Replication factor?
Explain the benefits of block transfer?
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