问题
If I have "4" nodes and from 4 nodes 2 nodes is for online and 2 nodes is for batch processing.
Online will retrieve requests from end user through UI and batch processing will send requests in file format.
When the traffic is high in the online server this traffic should not go to the batch nodes.
Both the servers should act independently and process the request.
How to balance the load without hitting the batch servers ?
来源：https://stackoverflow.com/questions/40481580/elasticsearch-balance-load-between-the-server-independently