What is DistributedCache and its purpose?
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How client application interacts with the NameNode?
What are the basic available commands in Hadoop sqoop ?
Can we have multiple entries in the master files?
How to change from su to cloudera?
What is a secondary namenode?
Is a job split into maps?
Did you ever ran into a lop sided job that resulted in out of memory error
What are the most commonly defined input formats in Hadoop?
Can NameNode and DataNode be a commodity hardware?
What is HDFS Block size? How is it different from traditional file system block size?
What is 'Key value pair' in HDFS?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
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