[DISCUSS] KIP-660: Pluggable ReplicaAssignor

[Mickael Maison]

Hi,

I've created KIP-660 to make the replica assignment logic pluggable.
https://cwiki.apache.org/confluence/display/KAFKA/KIP-660%3A+Pluggable+ReplicaAssignor

Please take a look and let me know if you have any feedback.

Thanks