What is difference between regular file system and HDFS?
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What is keyvaluetextinputformat?
What exactly is hadoop?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
How to resolve small file problem in hdfs?
What is a speculative execution in Apache Hadoop MapReduce?
What is a Combiner?
Should we use RAID in Hadoop or not?
What is hbase in hadoop?
How is HDFS fault tolerant?
What are watches?
How many instances of JobTracker can run on a Hadoop Cluser?
What is unstructured data?
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