Hadoop’s v1.0 was highly unstable and had a few shortcomings such as scalability issues, batch processing, etc. Despite being proficient with data processing, Hadoop used MapReduce to process large datasets. With YARN’s entry in the recent release, the flow has been smooth. Hadoop has no room to accommodate the shortcomings it previously suffered from. Moreover, YARN also runs non-MapReduce apps using its framework and several batch jobs.