Can't change cluster name?

oicqemote (oicqemote) December 6, 2010, 8:26am 1

in elasticsearch.yml

cluster:
name: mycluster

but the cluster name still is "elasticsearch" when I watch the status in ElasticSearch-WebConsole, what's wrong?

Topic		Replies	Views
ES 2.0 rename cluster Elasticsearch	6	2719	July 5, 2017
Why there can't change default cluster name in es5? Elasticsearch	4	856	July 5, 2017
Bad cluster name - change on the fly possible? Elasticsearch	3	432	November 17, 2020
Changing the cluster name Elasticsearch	6	10421	August 25, 2017
Seems like elasticsearch is not reading my yml file Elasticsearch	20	3594	July 5, 2017