What is Disk Balancer in Apache Hadoop?
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Does google use hadoop?
Mention what is the number of default partitioner in Hadoop?
What do you know about nlineoutputformat?
What is high availability in hadoop?
What is MapFile?
What is a speculative execution in Apache Hadoop MapReduce?
What is DistributedCache and its purpose?
shouldn't DFS be able to handle large volumes of data already?
How is hadoop different from other data processing tools?
How can you overwrite the replication factors in HDFS?
What is the sequencefileinputformat in hadoop?
What is Writable & WritableComparable interface?
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