[druid-user] What should be decent cluster Config because batch ingestion on single-server is working better than my cluster deployment?

The Peons (managed by MiddleManagers) are responsible for doing the batch ingest. With your setup, I expect that you should be getting the same or better ingest rate for the cluster setup since data node and query node are on a different machine. Can you post here your ingest spec for both?

Rommel Garcia