How to configure hadoop to reuse JVM for mappers?
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What is HDFS Block size? How is it different from traditional file system block size?
What is structured data?
What are the additional benefits YARN brings in to Hadoop?
What happens to a NameNode that has no data?
Can we have multiple entries in the master files?
What is the difference between traditional RDBMS and Hadoop?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
How to keep HDFS cluster balanced?
What are the problems with Hadoop 1.0?
What is a checkpoint?
Is hadoop a database?
What is the use of combiners in the hadoop framework?
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