What is MapFile?
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What is high availability in hadoop?
Did you ever ran into a lop sided job that resulted in out of memory error
How do you categorize a big data?
What should be the ideal replication factor in Hadoop Cluster?
What is nlineoutputformat?
What is the problem with HDFS and streaming data like logs
What is partioner in hadoop? Where does it run,mapper or reducer?
What do you know about sequencefileinputformat?
How to change Replication Factor For below cases ?
What are the benefits of block transfer?
Can the balancer be run while Hadoop is in use?
what are the steps involved in decommissioning removing
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