Explain the hadoop configuration files at present?
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How many maximum jvm can run on a slave node?
What is the process to change the files at arbitrary locations in HDFS?
What do you know by storage and compute node?
What is the use of Combiner?
Define fault tolerance?
Explain the wordcount implementation via hadoop framework ?
How can I restart namenode?
What is the full form of fsck?
Does Hadoop requires RAID?
Have you ever used Counters in Hadoop. Give us an example scenario?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What is a spill factor with respect to the ram?
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