What is a Task instance in Hadoop? Where does it run?1
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What is HDFS Federation?
Explain how can we change the split size if our commodity hardware has less storage space?
What is the full form of fsck?
Define a namenode?
What is the port number for NameNode
How to enable recycle bin or trash in hadoop?
what is the typical block size of an HDFS block?
What is output format in hadoop?
How blocks are distributed among all data nodes for a particular chunk of data?
What is the default replication factor?
Why password is needed in ssh localhost?
Mention what is the use of Context Object?
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