1. Unsigned Shards관련 테스트참고1: https://www.elastic.co/guide/en/elasticsearch/reference/current/shards-allocation.html참고2 : http://asuraiv.blogspot.kr/2015/04/elasticsearch-rolling-restarts.html참고3 : http://nkcnow.tistory.com/152참고4: http://jjeong.tistory.com/956참고5: http://guruble.com/?p=85 1) 정상 작동 중 : Test용 Slave3 Node 추가 2) Node 삭제 : Unsigned Shard 발생, Status - Yellow 3) unsigned shard가 Slave2에..
