What are the network requirements for using hadoop?
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What is IdentityMapper?
What should be the ideal replication factor in Hadoop Cluster?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What Mapper does?
What is the main purpose of HDFS fsck command?
what factors the block size takes before creation?
What is the difference between a Hadoop and Relational Database and Nosql?
What are the limitations of importing RDBMS tables into Hcatalog directly?
On which port does ssh work?
How client application interacts with the NameNode?
Can you give us some more details about ssh communication between masters and the slaves?
What is the Use of SSH in Hadoop ?