Explain the top() and takeordered() operation?

350

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What are the major features/characteristics of rdd (resilient distributed datasets)?

321

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What is the difference between map and flatmap?

326

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How to identify that the given operation is transformation or action?

288

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Why we need compression and what are the different compression format supported?

301

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Is ambari python client can be used to make good use of ambari api’s?

66

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Mention what does the shell commands “capture” and “consistency” determines?

89

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Explain what is composite type in cassandra?

79

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Mention what are the main components of cassandra data model?

93

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Explain what is a cluster in cassandra?

89

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Tell any two features of flume?

116

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What will be the result when you do cast(‘abc’ as int)?

812

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If you omit the overwrite clause while creating a hive table,what happens to file which are new and files which already exist?

810

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How will you convert the string ’51.2’ to a float value in the price column?

928

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Can I do transforms or add new functionality?

95

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