What platform and java version are required to run hadoop?
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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
Have you ever used Counters in Hadoop. Give us an example scenario?
What is the use of Combiner?
Command to format the NameNode?
Explain the use of .mecia class?
what is a datanode?
how is a file of the size 1 GB uncompressed
Explain what happens in textinformat ?
What is the problem with HDFS and streaming data like logs
What is DistributedCache and its purpose?
Explain InputFormat?
What is Hadoop streaming?
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