Which port does SSH work on?
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Which port does SSH work on?
What happen if number of reducer is set to 0 in Hadoop?
Name the operating system(s) which are supported for production hadoop deployment?
Can we deploy job tracker other than name node?
What does the mapred.job.tracker command do?
Explain Hadoop streaming?
What are the differences between hadoop 1 and hadoop 2?
Explain about Hadoop file system and processing framework?
What is streaming in Hadoop?
How often DataNode send heartbeat to NameNode in Hadoop?
If DataNode increases, then do we need to upgrade NameNode in Hadoop?
What are the common types of NOSQL data bases ?
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