What are the most commonly defined input formats in Hadoop?
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Which are the two types of 'writes' in HDFS?
What are the two main components of ResourceManager?
Does google use hadoop?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What do shuffling do?
What is safe mode in Hadoop?
How is hadoop different from other data processing tools?
Define a datanode?
What do you understand from Node redundancy and is it exist in hadoop cluster?
What platform and java version are required to run hadoop?
Explain Erasure Coding in Apache Hadoop?
Does Hadoop requires RAID?
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