What daemons run on master nodes?
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Explain Erasure Coding in Hadoop?
Name the most common input formats defined in hadoop?
Explain the key benefits of using storm for real time processing?
What are the parameters of mappers and reducers?
What are the limitations of Hadoop?
What does rack awareness mean?
What is replication factor?
Why is Data Block size set to 128 MB in Hadoop?
Name the most common Input Formats defined in Hadoop? Which one is default?
What is the role of the namenode?
Explain what is hadoop?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
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