끄적 끄적 로깅! 로깅!

Disable shard allocation PUT /_cluster/settings { "persistent": { "cluster.routing.allocation.enable": "none" } } Perform a synced flush POST /_flush/synced Restart /etc/init.d/elasticsearch restart Reenable allocation PUT /_cluster/settings { "persistent": { "cluster.routing.allocation.enable": "all" } } Full cluster restart upgrade | Elasticsearch Reference [7.6] | Elastic If you are upgrading..

http://edgeofsanity.net/article/2012/12/26/elasticsearch-for-logging.html