void openRocksDB(final DBOptions dbOptions,
                     final ColumnFamilyOptions columnFamilyOptions) {
        final List<ColumnFamilyHandle> columnFamilies = openRocksDB(
                dbOptions,
                new ColumnFamilyDescriptor(RocksDB.DEFAULT_COLUMN_FAMILY, columnFamilyOptions)
        );

        cfAccessor = new SingleColumnFamilyAccessor(columnFamilies.get(0));
    }
A persistent key-value store based on RocksDB.
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBStore.java