HDFS and Erasure Codes (HDFS-RAID) The Hadoop Distributed File System has been great in providing a cloud-type file system.
It is robust (when administered correctly :-)) and highly scalable. However, one of the main drawbacks of HDFS is that each piece of data is replicated in three places. HADOOP-1652] Rebalance data blocks when new data nodes added o. Collective Dynamics in Information Systems (CDInfos0803) (01 Mar.