private static BackupEngineOptions createBackupDBOptions(final String backupDBPath) {
        return new BackupEngineOptions(backupDBPath) //
            .setSync(true) //
            .setShareTableFiles(false); // don't share data between backups
    }
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