Are Namenode and job tracker on the same host?
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How to Administering Hadoop?
How is the option in Hadoop to skip the bad records?
What is the InputFormat ?
On What concept the Hadoop framework works?
what is a datanode?
What is DistributedCache and its purpose?
what are the steps involved in decommissioning removing
Explain the Job OutputFormat?
What is the problem with HDFS and streaming data like logs
Does google use hadoop?
What is the heartbeat used for?
What is InputSplit and RecordReader?
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