In Map Reduce why map write output to Local Disk instead of HDFS?
Does Apache Flume provide support for third party plug-ins?
What's the best way to copy files between HDFS clusters?
What is HDFS High Availability?
What is a Task instance in Hadoop? Where does it run?1
What is HDFS block size and what did you chose in your project?
What are different types of filesystem?
How to write a Custom Key Class?
Does Hadoop requires RAID?
What are the limitations of Hive?
Can Hadoop be compared to NOSQL database like Cassandra?
how can we change Replication Factor?
Differentiate between Pig Latin and Pig Engine?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
how is a file of the size 1 GB uncompressed