I have been doing some research on adding shards and replicas after they
have been created. It appears that replicas are no big deal. Use the API,
and elasticsearch will distribute copies evenly across your cluster.
In one article I read on nabble, adding a shard after the fact
causes repartitioning and is expensive and it is better to create another
index. I'm not quite sure if I follow along completely. Could someone
Thanks a bunch,