As part of the the move to AVRO and wire compatibility, write all Map-Reduce protocols in AVRO IDL. This is analogous to HDFS-1069.
Switch RPC to use Avro
I think there's a typo in your description. Do you mean "write all MapReduce protocols in Avro IDL"?
Du-uh! Fixed now, thanks Jeff.
Closing as Won't Fix.
We've already moved to protobuf.