Did you ever ran into a lop sided job that resulted in out of memory error
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What are the most commonly defined input formats in Hadoop?
Explain the benefits of block transfer?
Do we need to give a password, even if the key is added in ssh?
Explain the use of tasktracker in the hadoop cluster?
Can hive run without hadoop?
How to exit the vi editor?
Can you explain how do ‘map’ and ‘reduce’ work?
How is HDFS fault tolerant?
Is secondary namenode a substitute to the namenode?
how can we change Replication Factor?
What problems have you faced when you are working on Hadoop code?
What infrastructure do we need to process 100 TB data using Hadoop?
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