elasticsearch [..all indices on this node will be marked read-only..] 장애 처리

Disk 용량 10% 이상 확보 필요

curl -XPUT 'http://localhost:9200/_all/_settings?preserve_existing=true' -d '{
  "index.blocks.read_only_allow_delete" : null
}' -H 'Content-Type: application/json'