private boolean initAndLoad(final ConfigurationManager confManager) throws RocksDBException {
        this.hasLoadFirstLogIndex = false;
        this.firstLogIndex = 1;
        final List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>();
        final ColumnFamilyOptions cfOption = createColumnFamilyOptions();
        this.cfOptions.add(cfOption);
        // Column family to store configuration log entry.
        columnFamilyDescriptors.add(new ColumnFamilyDescriptor("Configuration".getBytes(), cfOption));
        // Default column family to store user data log entry.
        columnFamilyDescriptors.add(new ColumnFamilyDescriptor(RocksDB.DEFAULT_COLUMN_FAMILY, cfOption));

        openDB(columnFamilyDescriptors);
        load(confManager);
        return onInitLoaded();
    }
An empty write context
@author boyan(boyan@antfin.com)
jraft-core/src/main/java/com/alipay/sofa/jraft/storage/impl/RocksDBLogStorage.java