Is map like a pointer?
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What is a Record Reader in hadoop?
What is InputSplit and RecordReader?
What is the heartbeat used for?
What are the default configuration files that are used in hadoop?
What exactly is hadoop?
when hadoop enter in safe mode?
What is small file problem in hadoop?
Is fs.mapr.working.dir a single directory?
What is a “Distributed Cache” in Apache Hadoop?
what factors the block size takes before creation?
How to enable trash/recycle bin in hadoop?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
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