What did mean by data-node?
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Can you explain sequence file in hadoop?
Explain what is speculative execution?
Where is hadoop-env.sh file present?
What are the features of Standalone (local) mode?
In which directory hadoop is installed?
For using hadoop list the network requirements?
What is the NameNode port number?
what is next step after mapper or maptask?
What is Chain Mapper?
What is the basic difference between traditional RDBMS and Hadoop?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
What is a commodity hardware? Does commodity hardware include RAM?
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