Explain what if rack 2 and datanode fails?
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What are the different methods to run Spark over Apache Hadoop?
Define fault tolerance?
How to enable recycle bin in hadoop?
How the HDFS Blocks are replicated?
How many instances of JobTracker can run on a Hadoop Cluser?
what is the typical block size of an HDFS block?
Explain why the name ‘hadoop’?
Explain the benefits of block transfer?
How a task is scheduled by a jobtracker?
If a data Node is full how it's identified?
Explain the basic difference between traditional rdbms and hadoop?
Define a task tracker?
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