interesting stuff

GET _cat/recovery?v&s=stage&active_only=true

GET _tasks?pretty&human&detailed=true&actions=indices:data/read/search

 POST _cluster/reroute?metric=none
 {
   "commands": [
    {
      "move": {
        "index": "NAME",
        "shard": 0,
        "from_node": "node1",
        "to_node": "node2"
      }
    },
    {
      "allocate_replica": {
        "index": "NAME",
        "shard": 1,
        "node": "node3"
      }
    }
  ]
}

PUT INDEX_NAME/_settings
{
  "index": {
   "number_of_replicas": 0
 }
}

GET _cat/indices?h=index,status,store.size,docs.count,creation.date.string&s=index,creation.date&format=json&bytes=b

get status of relocating shards

Covers relocating and recovering shards.

GET _cat/recovery?v&active_only=true&h=index,shard,source_node,target_node,bytes_percent,bytes_total,time