What is oozie in hadoop?
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How does a namenode handle the failure of the data nodes?
How to configure hadoop to reuse JVM for mappers?
What is Writable & WritableComparable interface?
What is zookeeper in hadoop?
Is hadoop a database?
How is the distance between two nodes defined in Hadoop?
How to Administering Hadoop?
What happens to job tracker when namenode is down?
What does job conf class do?
Mention what is the use of Context Object?
what is the default replication factor in HDFS?
Define a job tracker?
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