What Are The Core Changes In Hadoop 2.x?

Numerous changes, the particular single point of failure and Decentralize Job Tracker power to information notes are the main changes. Whole job tracker design changed. Some of the principal difference between Hadoop 1.x and 2.x provided below:

• One point of failure – Rectified
•  Limitations of nodes (4000-to boundless) – Rectified.
•  Job Tracker bottleneck – Rectified
•     High accessibility – Available
•     Support both Interactive, diagram iterative algorithms.
•      Allows different applications additionally to coordinate with HDFS.