private static DBOptions createDBOptions(final String groupId) {
        return StorageOptionsFactory.getRocksDBOptions(groupId, RocksRawKVStore.class) //
            .setEnv(Env.getDefault());
    }
Local KV store based on RocksDB

@author dennis
@author jiachun.fjc
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/storage/RocksRawKVStore.java