What is the default input type in MapReduce?
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What is a Speculative Execution in Hadoop MapReduce?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
Mention Hadoop core components?
Explain how do ‘map’ and ‘reduce’ work?
How many InputSplits is made by a Hadoop Framework?
How can you add the arbitrary key-value pairs in your mapper?
Define Writable data types in Hadoop MapReduce?
how can you debug Hadoop code?
What is the data storage component used by Hadoop?
How does MapReduce framework view its input internally?
What are the steps involved in MapReduce framework?
What is OutputCommitter?
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