What is version-id mismatch error in hadoop?
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What is the purpose of button groups?
What stored in HDFS?
Where is the Mapper Output stored?
How to configure hadoop to reuse JVM for mappers?
What infrastructure do we need to process 100 TB data using Hadoop?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Explain use cases where SequenceFile class can be a good fit?
How can one increase replication factor to a desired value in Hadoop?
What are the main components of a Hadoop Application?
What is zookeeper in hadoop?
What is cloudera and why it is used?
What is small file problem in hadoop?