static int getLevel(Configuration conf) {
    return conf.getInt(ZSTD_LEVEL_KEY,
      conf.getInt(CommonConfigurationKeys.IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY,
        CommonConfigurationKeys.IO_COMPRESSION_CODEC_ZSTD_LEVEL_DEFAULT));
  }
Hadoop ZStandard codec implemented with zstd-jni.
<p>
This is data format compatible with Hadoop's native ZStandard codec.
hbase-compression/hbase-compression-zstd/src/main/java/org/apache/hadoop/hbase/io/compress/zstd/ZstdCodec.java