What are the different types of UDF's in Java supported by Apache Pig?
how is a file of the size 1 GB uncompressed
How can you add the arbitrary key-value pairs in your mapper?
Which are the two types of 'writes' in HDFS?
What are the sources generating big data?
Is Hive supports Temporary Tables?
How to set the number of reducers?
What is the purpose of DataNode block scanner?
What is your favourite tool in the hadoop ecosystem?
How to keep HDFS cluster balanced?
What is Input Split in hadoop?
What is the use of "order by" in Hive?
What are the different String functions available in pig?
How would you diagnose or do exception handling in the pig?