What is Hadoop Custom partitioner ?
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What platform and java version are required to run hadoop?
Is secondary namenode a substitute to the namenode?
What is the Use of SSH in Hadoop ?
How we can change Replication factor when Data is on the fly?
How to exit the vi editor?
What is salary of hadoop developer?
What is HDFS block size and what did you chose in your project?
Does the hdfs client decide the input split or namenode?
What are the most commonly defined input formats in Hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
Explain the features of fully distributed mode?
Explain what if rack 2 and datanode fails?
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