{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "5s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

    /** The key of the configuration. e.g. 1 */
    String INDEX_DOCUMENT_CRAWLER_DATA_number_of_replicas = "index.document.crawler.data.number_of_replicas";

    /** The key of the configuration. e.g. 1 */
    String INDEX_DOCUMENT_CRAWLER_FILTER_number_of_replicas = "index.document.crawler.filter.number_of_replicas";

index.document.crawler.filter.number_of_shards=10
# Number of replicas for crawler queue index.
index.document.crawler.queue.number_of_replicas=1
# Number of replicas for crawler data index.
index.document.crawler.data.number_of_replicas=1
# Number of replicas for crawler filter index.
index.document.crawler.filter.number_of_replicas=1
# Index name for configuration data.
index.config.index=fess_config
# Index name for user data.