Under certain circumstances a TooManyOpenFiles exception (in Java thrown as FileNotFoundException) might cause data loss where entire shards (lucene indices) are deleted. This is mainly caused by Lucene-4870 - currently all Elasticsearch releases are affected by this.
Under certain circumstances a TooManyOpenFiles exception (in Java thrown as FileNotFoundException) might cause data loss where entire shards (lucene indices) are deleted. This is mainly caused by Lucene-4870 - currently all Elasticsearch releases are affected by this.