adspace


What do you think about the speculative execution?

Answer Posted / Kanchan Singh

Data Node is a key component of the Hadoop Distributed File System (HDFS). It stores and manages the actual data blocks, replicates them across multiple nodes to ensure fault tolerance, and serves read and write requests from clients.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

552


Give me the examples of Columnar database ?

669


Which modes can Hadoop be run in? List a few features for each mode?

542


How job tracker schedules an assignment?

496