@Override
  public String getMetaConf(String key) throws TException {
    return client.getMetaConf(key);
  }
Swaps the first element of the metastoreUris array with a random element from the
remainder of the array.
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java