What is the purpose of RecordReader in hadoop?
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Explain Hadoop Archives?
What is JobTracker?
What are configuration files in Hadoop?
What is streaming in Hadoop?
List of some best tools that can be useful for data-analysis?
How does speculative execution work in Hadoop?
Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
Explain what is speculative execution?
What is the difference between TextInputFormat and KeyValueInputFormat class?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
What are the core components of Hadoop?
What is fsck?
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