What problems have you faced when you are working on Hadoop code?
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On What concept the Hadoop framework works?
Give the use of the bootstrap panel.
What is the problem with HDFS and streaming data like logs
What is the default block size in hdfs?
What is inputsplit in hadoop? Explain.
What are the basic available commands in Hadoop sqoop ?
Explain what is the purpose of RecordReader in Hadoop?
What is a Task instance in Hadoop? Where does it run?1
what is the default replication factor in HDFS?
How to change Replication Factor For below cases ?
Define a combiner?
What is commodity hardware?
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