Yes. It’s safe. You can do it one at a time. If you already have data around and don’t want your shards moving during this, you should disable allocation.
-- David Pilato | Technical Advocate | Elasticsearch.com @dadoonet <https://twitter.com/dadoonet> | @elasticsearchfr <https://twitter.com/elasticsearchfr> | @scrutmydocs <https://twitter.com/scrutmydocs> > Le 18 févr. 2015 à 16:14, Jan-Erik Westlund <je.westl...@gmail.com> a écrit : > > Hi ! > > Is it safe to change the node names of my 3 nodes in an existing > elasticsearch 1.4.0 cluster ? > > The reason is to get rid of the random names like: Elizabeth "Betsy" > Braddock, Franz Kafka, etc... > > Is it just to set the node.name: "server name" in elasticsearch.yml and then > restart the daemon ? > Do I do it one node at the time, or do I need down the cluster and then > change all node names, and then bring up the cluster again ? > > > //Jan-Erik > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elasticsearch+unsubscr...@googlegroups.com > <mailto:elasticsearch+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/0bed6a3d-9315-4060-9585-cf68907f844b%40googlegroups.com > > <https://groups.google.com/d/msgid/elasticsearch/0bed6a3d-9315-4060-9585-cf68907f844b%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/1916C068-085D-4F86-B877-FE4F9003B46D%40pilato.fr. For more options, visit https://groups.google.com/d/optout.