Hadoop General Interview Questions
Un-Answered Questions { Hadoop General }
Name the most common Input Formats defined in Hadoop? Which one is default?
What does the file hadoop-metrics.properties do?
Define a record reader?
Explain what is a task tracker in hadoop?
Mention what is data cleansing?
Explain how can you check whether namenode is working beside using the jps command?
Clarify what is sequence file input format?
Mention what are the three modes in which hadoop can be run?
Why slaves limited to 4000 in hadoop version 1?
Whats the default port that jobtrackers listens ?
What is check pointing in hadoop?
What does the high availability of a name-node means?
what if job tracker machine is down?
What is meant by streaming access?
What is throughput in Hadoop?
