What is a spill factor with respect to the ram?
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What is a block and block scanner in HDFS?
How to configure hadoop to reuse JVM for mappers?
what is SPF?
What is formatting of the dfs?
How is the option in Hadoop to skip the bad records?
What if rack 2 and datanode fails?
Where is the Mapper Output intermediate kay-value data stored ?
what is the default replication factor in HDFS?
Can we do online transactions(oltp) using hadoop?
What is DistributedCache and its purpose?
Can Hadoop be compared to NOSQL database like Cassandra?
Explain what happens in textinformat ?
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