presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/DatabaseShardManager.java/DatabaseShardManager/getDistributionSizeInBytes
class DatabaseShardManager:    @Override
    public long getDistributionSizeInBytes(long distributionId)
    {
        return dao.getDistributionSizeBytes(distributionId);
    }