private void openRocksDB(final RocksDBOptions opts) throws RocksDBException {
        final List<ColumnFamilyHandle> cfHandles = Lists.newArrayList();
        this.databaseVersion.incrementAndGet();
        this.db = RocksDB.open(this.options, opts.getDbPath(), this.cfDescriptors, cfHandles);
        this.defaultHandle = cfHandles.get(0);
        this.sequenceHandle = cfHandles.get(1);
        this.lockingHandle = cfHandles.get(2);
        this.fencingHandle = cfHandles.get(3);
    }
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