@Override
  public FSDataOutputStream create(Path path, boolean overwrite, int bufferSize, short replication,
                                   long blockSize, Progressable progress) throws IOException {
    String confUmask = mAlluxioConf.getString(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_UMASK);
    Mode mode = ModeUtils.applyFileUMask(Mode.defaults(), confUmask);
    return this.create(path, new FsPermission(mode.toShort()), overwrite, bufferSize, replication,
        blockSize, progress);
  }
@Test
  public void hadoopShouldLoadFsWithMultiMasterUri() throws Exception {
    URI uri = URI.create("alluxio://host1:19998,host2:19998,host3:19998/path");
    org.apache.hadoop.fs.FileSystem fs = org.apache.hadoop.fs.FileSystem.get(uri, getConf());
    assertTrue(fs instanceof FileSystem);

    uri = URI.create("alluxio://host1:19998;host2:19998;host3:19998/path");
    fs = org.apache.hadoop.fs.FileSystem.get(uri, getConf());
    assertTrue(fs instanceof FileSystem);
  }