What is Partioner in hadoop? Where does it run
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Is client the end user in HDFS?
What is the Use of SSH in Hadoop ?
Define a task tracker?
What are the hadoop's three configuration files?
Explain why do we need hadoop?
what should be the ideal replication factor in hadoop?
Define a metadata?
What is HDFS ? How it is different from traditional file systems?
What is HDFS High Availability?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Explain what if rack 2 and datanode fails?
Why is Apache Spark faster than Apache Hadoop?
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