On what basis name node distribute blocks across the data nodes?
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What is the relation between job and task in hadoop?
how to share the metastore within multiple users?
What is small file problem in hadoop?
What stored in HDFS?
What is the problem with HDFS and streaming data like logs
Define a job tracker?
What do sorting do?
How is security achieved in Apache Hadoop?
How many Daemon processes run on a Hadoop system?
What are the site-specific configuration files in Hadoop?
what is the typical block size of an HDFS block?
What are different types of filesystem?
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