Adding Shreya and other team mates to the thread Regards, Chaitanya
On Thu, Jul 5, 2018 at 3:30 PM Chaitanya M V S <chaitanya.mvs2...@gmail.com> wrote: > Hello, > > We are a group of interns at IISc, Bangalore and have tried to implement Clay > Codes <https://www.usenix.org/conference/fast18/presentation/vajha> in > Hadoop by using the Erasure Codec pluggable codec API (HDFS-7337). > > Clay codes are erasure codes which have many must have properties and are > well-poised which makes them practical to distributed systems. > They are known to reduce network bandwidth (the amount of data transmitted > on a single node failure), decrease repair times and improve I/O > performance. > The Clay codes work by utilizing the underlying implementation of RS codes > (in fact any MDS code) hence making them lucrative and easy to use/extend. > > We have put forward both a design doc and a patch at Hadoop-15558 > <https://issues.apache.org/jira/browse/HADOOP-15558>. We would be > grateful if someone can review and suggest further improvements. > > *P.S. *Clay codes also have been implemented and are in review at ceph > <https://github.com/ceph/ceph/pull/14300>. > > > Regards, > M.V.S.Chaitanya & Shreya Gupta >