Define tasktracker.
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What Mapper does?
Name the examples of some companies that are using hadoop structure?
What platform and java version are required to run hadoop?
How many Daemon processes run on a Hadoop system?
What are the different types of Znodes?
What is the difference between a Hadoop and Relational Database and Nosql?
What is Rack Awareness in Apache Hadoop?
What are the two main parts of the hadoop framework?
What is the purpose of DataNode block scanner?
On what basis data will be stored on a rack?
What is MapFile?
What is difference between split and block in hadoop?