indices.fielddata.cache.expireeditThe experimental feature indices.fielddata.cache.expire has been removed. For indices that have this setting configured, this config will be ignored.실험적인 기능인 indices.fielddata.cache.expire 가 제거되었다. 이 설정을 가진 index의 경우 설정은 무시된다.Forbid changing of thread pool typeseditPreviously, thread pool types could be dynamically adjusted. The thread pool type effectively cont..