How is hadoop different from other data processing tools?
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What are the characteristics of hadoop framework?
What stored in HDFS?
What is inputsplit in hadoop? Explain.
How to enable/configure the compression of map output data in hadoop?
What is the communication channel between client and namenode/datanode?
What are the site-specific configuration files in Hadoop?
What other technologies have you used in hadoop sta ck?
Explain the shuffle?
What is InputSplit and RecordReader?
Define tasktracker.
shouldn't DFS be able to handle large volumes of data already?
What is DistributedCache and its purpose?
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