How many maximum jvm can run on a slave node?
What is the purpose of DataNode block scanner?
What is HDFS - Hadoop Distributed File System?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is DistributedCache and its purpose?
What is high availability in hadoop?
what are the steps involved in decommissioning removing
What are the limitations of importing RDBMS tables into Hcatalog directly?
What is salary of hadoop developer?
What is InputSplit and RecordReader?
Explain the Job OutputFormat?
What do you know about nlineoutputformat?
What is HDFS block size and what did you chose in your project?