String PAGE_THUMBNAIL_PURGE_MAX_FETCH_SIZE = "page.thumbnail.purge.max.fetch.size";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_SCORE_BOOSTER_MAX_FETCH_SIZE = "page.score.booster.max.fetch.size";

    /** The key of the configuration. e.g. 10000 */
    String PAGE_SEARCHLOG_MAX_FETCH_SIZE = "page.searchlog.max.fetch.size";

  // +optional
  optional AWSElasticBlockStoreVolumeSource awsElasticBlockStore = 2;

  // hostPath represents a directory on the host.
  // Provisioned by a developer or tester.
  // This is useful for single-node development and testing only!
  // On-host storage is not supported in any way and WILL NOT WORK in a multi-node cluster.