What is cloudera and why it is used?
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What do you know about nlineoutputformat?
What is Row Key?
Explain the features of stand alone (local) mode?
What is the problem with HDFS and streaming data like logs
Mention what are the data components used by Hadoop?
What is the purpose of DataNode block scanner?
Explain InputFormat?
What is the function of ApplicationMaster?
How can one increase replication factor to a desired value in Hadoop?
What is the default block size in hdfs?
What other technologies have you used in hadoop sta ck?
Is hadoop the future?
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