hadoop2 YARN - MapReduce 2

Help us to keep this website almost Ad Free! It takes only 10 seconds of your time:
> Step 1: Go view our video on YouTube: EF Core Bulk Extensions
> Step 2: And Like the video. BONUS: You can also share it!

Introduction

YARN stands for Yet Another Resource Negotiator.

Brief History:

YARN was developed by Yahoo in 2010 as a substitute of Map Reduce 1. It was able to overcome disadvantages which were present in Map Reduce 1.

Introduction

In Map Reduce 1 Job Tracker was used to both the Job scheduling and Task Monitoring. This lead to the bottleneck in scalability of the cluster. YARN separate this two roles into 2 separate daemons which are Resource Manager and Application Master.



Got any hadoop2 Question?