Define a udf?
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Clarify what webdav is in hadoop?
Mention what is distributed cache in hadoop?
How job tracker schedules an assignment?
How can you native libraries be included in yarn jobs?
What are the core components of Hadoop?
What are the four basic parameters of a mapper?
What is High Availability feature in Hadoop2?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
What are some typical functions of job tracker in hadoop?
What happens when two clients try to access the same file in the hdfs?
What are some of the characteristics of Hadoop framework?
Are there any special requirements for namenode?
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