What is the purpose of button groups?
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What is cloudera and why it is used?
How we can change Replication factor when Data is on the fly?
What platform and java version are required to run hadoop?
Is hadoop a database?
What happens to job tracker when namenode is down?
What is the use of combiners in the hadoop framework?
what is meaning Replication factor?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
How will format the HDFS ?
What is a speculative execution in Apache Hadoop MapReduce?
What is oozie in hadoop?
What are the most commonly defined input formats in Hadoop?
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