Define a namenode?
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Explain what is the purpose of RecordReader in Hadoop?
What other technologies have you used in hadoop sta ck?
What is a speculative execution in Apache Hadoop MapReduce?
What do masters consist of?
What is HDFS - Hadoop Distributed File System?
Explain the use of .mecia class?
How to change from su to cloudera?
Mention what are the data components used by Hadoop?
What do you mean by taskinstance?
what is meaning Replication factor?
What is commodity hardware?
How Mapper is instantiated in a running job?
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