Is a job split into maps?
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Can hbase run without hadoop?
Define a metadata?
What will you do when NameNode is down?
What is Safemode in Apache Hadoop?
How to change Replication Factor For below cases ?
What is the communication channel between client and namenode/datanode?
What is the jobtracker?
What is difference between regular file system and HDFS?
What is the port number for NameNode
What do you know about sequencefileinputformat?
Can we have multiple entries in the master files?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
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