Hi Rakesh

Few links. In the end of course, we can discuss them in little detail.

Tips from improving HDFS performance
http://blog.cloudera.com/blog/2009/12/7-tips-for-improving-mapreduce-performance/

HDFS Tuning Guide
https://hadoop-toolkit.googlecode.com/files/White%20paper-HadoopPerformanceTuning.pdf


Compression techniques in HDFS
https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-4/compression
http://www.slideshare.net/Hadoop_Summit/kamat-singh-june27425pmroom210cv2


Perfromance tuning in MapReduce
http://www.idryman.org/blog/2014/03/05/hadoop-performance-tuning-best-practices/


S3 and EMR
http://www.datanami.com/2014/02/24/top_10_netflix_tips_on_going_cloud-native_with_hadoop/
http://blog.mortardata.com/post/58920122308/s3-hadoop-performance

Thank you Sandeep.

Regards,
DeZyre Support