If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
242Post New Hadoop General Questions
What is the relationship between Jobs and Tasks in Hadoop?
For using hadoop list the network requirements?
Which scala library is used for functional programming?
What sorts of actions does the job tracker process perform?
Can you explain record reader?
Explain Data Locality in Hadoop?
Why do we need Hadoop Archives? How is it created?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
What is KeyValueTextInputFormat in Hadoop?
Which port does SSH work on?
What is rack awareness in hadoop?
What are the parameters of mappers and reducers?
What does rack awareness algorithm means?
Why would nosql be better than using a sql database? And how much better is it?
What is the default replication factor in Hadoop and how will you change it?