On May 4, 2011, at 1:17 PM, Allen Wittenauer wrote: > Am I misreading this, or are the MR protocols out of sync between > 0.20.203 and 0.21? It would also appear that this is marked stable in 0.21. > What is the user impact?
The names of the protocols were changed, but the names of the protocols aren't user-facing. The protocols themselves also changed, as with all Hadoop major versions. (We need to switch to protobuf or something for RPC to provide wire compatibility.) -- Owen
