What is the use of recordreader in hadoop?
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What happen when namenode enters in safemode in hadoop?
Ideally what should be the replication factor in hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
How to use combiner in hadoop ?
What are the hadoop configuration files at present?
What is the problem with small files in Hadoop?
What is the logistic regression?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
We have already sql then why nosql?
How job tracker schedules an assignment?
What does rack awareness algorithm means?
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