Explain what is speculative execution?
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Explain Hadoop streaming?
Explain how do you overwrite replication factor?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
Explain what is hadoop?
What happens if the number of reducers is 0 in Hadoop?
What is meant by streaming access?
What does the mapred.job.tracker command do?
What daemons run on master nodes?
List out the different stream grouping in apache storm?
In which location name node sores its metadata and why?
What is Small File Problem in Hadoop? How can it be resolved?
Can you define udf?
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