Mention what is distributed cache in hadoop?
Explain how can you debug hadoop code?
Explain how can you check whether namenode is working beside using the jps command?
Explain what is webdav in hadoop?
Mention what job does the conf class do?
For using hadoop list the network requirements?
Mention what is data cleansing?
What is a udf?
What is a record reader?
List out the different stream grouping in apache storm?
List out the some common problems faced by data analyst?
Why cloudera is used?
What are the benefits yarn brings in to hadoop?
Define “speculative execution” in hadoop?
What are the port numbers of job tracker?