I have been getting a lot of those warnings lately in Kibana (4.3.1) when I'm just watching a dashboard over a period of 30 days with 13 visualizations on it (no error/warning are produced when searching for the last 7 days though). While digging more, I managed to get a better error in the JSON ret…

A lot of 'Courier Fetch: 42 of 155 shards failed.' - EsRejectedExecutionException

thomas.dotreppe January 11, 2016, 4:51pm 4

Any parameter I could tune to help prevent that issue from happening?

Topic		Replies	Views
Courier Fetch x of y shards are failed Elasticsearch	9	1656	July 5, 2017
"received shard failed for... [RemoteTransportException]" for the node on the same machine Elasticsearch	5	1031	July 6, 2017
Elasticsearch Error "EsRejectedExecutionException" Elasticsearch	7	8246	July 5, 2017
Death index caused EsRejectedExecutionException Elasticsearch	2	1345	July 5, 2017
RejectedExecutionException while indexing the data Elasticsearch	3	868	July 6, 2017