What is the purpose of button groups?
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How indexing is done in HDFS?
Can we do online transactions(oltp) using hadoop?
Explain the shuffle?
What happens to a namenode, when job tracker is down?
what is meaning Replication factor?
How is the option in Hadoop to skip the bad records?
Explain the Job OutputFormat?
What is InputSplit and RecordReader?
Main Components of Hadoop?
What are the modules that constitute the Apache Hadoop 2.0 framework?
what is the default replication factor in HDFS?
What is HDFS High Availability?
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