How to use Apache Zookeeper command line interface?
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Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
Define a job tracker?
What is hadoop framework?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What is inputformat in hadoop?
What is Input Split in hadoop?
Explain what if rack 2 and datanode fails?
what is meaning Replication factor?
What if a namenode has no data?
How do you define "block" in HDFS?
How to change replication factor of files already stored in HDFS?
How can you overwrite the replication factors in HDFS?
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