Why are the number of splits equal to the number of maps?
How the HDFS Blocks are replicated?
What is the process to change the files at arbitrary locations in HDFS?
What is the default replication factor?
Should we use RAID in Hadoop or not?
What is a block and block scanner in HDFS?
What are the debugging tools used for Apache Pig scripts?
mapper or reducer?
Is Hive supports Temporary Tables?
What are the use cases of Apache Pig?
How did you debug your Hadoop code ?
What problem does Apache Pig solve?
What is lineage graph?
What ate the key components of Hive Architecture?
What is the meaning of speculative execution in Hadoop? Why is it important?