What do you mean by taskinstance?
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Who is a 'user' in HDFS?
How can you overwrite the replication factors in HDFS?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is cloudera and why it is used?
What is oozie in hadoop?
Is it necessary to know java to learn hadoop?
What is InputSplit and RecordReader?
Is hadoop based on google mapreduce?
Is hadoop open source?
Explain the Job OutputFormat?
Explain why do we need hadoop?
What is nlineoutputformat?