Does the hdfs client decide the input split or namenode?
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Explain the shuffle?
Why do we need a password-less ssh in fully distributed environment?
Explain what if rack 2 and datanode fails?
Explain the hadoop configuration files at present?
Explain the hadoop-core configuration?
when hadoop enter in safe mode?
What is a block and block scanner in HDFS?
What is the problem with small files in Apache Hadoop?
What is Your Cluster size ?
Who invented hadoop?
What is Apache Hadoop?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?