How does master slave architecture in the hadoop?
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What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
What are the two main components of ResourceManager?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Input Split & Record Reader and what they do?
What is version-id mismatch error in hadoop?
What is HDFS High Availability?
Who invented hadoop?
What is a Record Reader in hadoop?
What is Distributed Cache?
What is the purpose of RawComparator interface?
Is hadoop based on google mapreduce?
Explain the use of .mecia class?
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