What is the meaning of speculative execution in Hadoop? Why is it important?
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Why is hadoop faster?
Define streaming access?
How we can take Hadoop out of Safe Mode?
What problems have you faced when you are working on Hadoop code?
What do shuffling do?
What is a block and block scanner in HDFS?
How is the option in Hadoop to skip the bad records?
Explain the shuffle?
Define fault tolerance?
Name the various types of lists supported by bootstrap.
Should we use RAID in Hadoop or not?
Is hadoop the future?
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