By Siddartha Mani

Few would argue with the statement that Hadoop HDFS is in decline. In fact, the HDFS part of the Hadoop ecosystem is in more than just decline - it is in freefall. At the time of its inception, it had a meaningful role to play as a high-throughput, fault-tolerant distributed file system. The secret sauce was data locality. 

By co-locating compute and data on the same nodes, HDFS overcame the limitations of slow network access to data. The…