Automotive

• How does HBase fit in your system
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• You are part of cloud computing department ? how ? 
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• What do you mean by cloud computing ? How its related to SOA?
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• Why map-reduce and why hive ? 
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• In Hadoop cluster management system ? What is your roles and responsibilities ? 
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• What kind of Map-reduce and Hive jobs you have developed ? 
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• How can we prevent Single point of  failure in CDH3 ? 
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• Why not pig instead of Java and SQL ?
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• What is the disadvantage of Hadoop ? 

• Now, Hadoop is not a magic bullet that solves all kinds of problems. 
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• Hadoop is not good to process transactions because it is random access. 
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• It is not good when the work cannot be parallelized. 
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• It is not good for low latency data access. 
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• Not good for processing lots of small files. 
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• And not good for intensive calculations with little data.