What is compute and Storage nodes?
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Define a datanode?
How many instances of tasktracker run on a hadoop cluster?
how to share the metastore within multiple users?
What is the InputFormat ?
how is a file of the size 1 GB uncompressed
How would you tackle counting words in several text documents?
How can you overwrite the replication factors in HDFS?
What happens to a namenode, when job tracker is down?
What is a Secondary Namenode? Is it a substitute to the Namenode?
What is structured data?
What is a Record Reader in hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
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