Can you explain hadoop streaming?
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What do you mean by the NameNode High Availability in hadoop?
Which directory does hadoop install to?
Name the files which are used by the startup and shutdown commands?
Can we create a hadoop cluster from scratch?
What are the features of Fully-Distributed mode?
What does hadoop-metrics.properties file do?
What is Federation?
In which location name node sores its metadata and why?
What are the configuration files in Hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how?
How does speculative execution work in Hadoop?
Can hadoop replace relational database?
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