What is difference between mr1 and mr2 in Hadoop?

Related questions

1. How does yarn work in Hadoop?
2. What is yarn for?
3. Is Yarn A wool?
4. Can I use NPM and yarn together?
5. What is yarn scheduler?
6. What is MRv1 and MRv2?
7. Is it mandatory to set input and output type format in MapReduce?
8. Is yarn better than NPM?
9. Can we use both MapReduce MRv1 and MRv2 with yarn on the same cluster?
10. Is running beyond virtual memory limits?

Tags

1. #reduce
2. #version
3. #earlier
4. #known
5. #between
6. #framework
7. #hadoop
8. #model
9. #execution
10. #mapreduce
11. #hence
12. #difference
13. #called
14. #generic