@Override
  public CompressionOutputStream createOutputStream(OutputStream out) throws IOException {
    if (ZlibFactory.isNativeZlibLoaded(getConf())) {
      return super.createOutputStream(out);
    }
    return new ReusableGzipOutputStream(out);
  }
re-implement because the relative method in jdk is invisible
hbase-common/src/main/java/org/apache/hadoop/hbase/io/compress/ReusableStreamGzipCodec.java