In this article, it explained that how take elasticsearch backup via Java.
In this paper, we create a clustring system which contributed from elasticsearch servers that are located in different places and have differens system property.
ElasticSearch is a very usefull FullText Search Engine, it can be easily installed and managed. However there is no security level and restiriction on the standart package. I add a security layer which control username, password and IP adress when try to access ElasticSearch.