How NameNode tackle Datanode failures in Hadoop?
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How to use combiner in hadoop ?
List out the different stream grouping in apache storm?
is there a standard procedure to deploy hadoop?
Ideally what should be the block size in hadoop?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
Explain what is storage and compute nodes?
List some use cases where classification machine learning algorithms can be used.
What is streaming access?
Mention what are the three modes in which hadoop can be run?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
What is a record reader?
How ordering in hdfs is finished?
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