Courier Fetch: shards failed

Question

Why do I get these warnings after adding more data to my elasticsearch? And the warnings are different every time I browse the dashboard.

\"Courier Fetch: 30 of 60 s

Answer 1

this will not work on elasticsearch 5.6.

{
"error": {
    "root_cause": [
        {
            "type": "remote_transport_exception",
            "reason": "[colmbmiscxx.xx][172.29.xx.xx:9300][cluster:admin/settings/update]"
        }
    ],
    "type": "illegal_argument_exception",
    "reason": "transient setting [threadpool.search.queue_size], not dynamically updateable"
},
"status": 400

}