presto-hive/src/main/java/io/prestosql/plugin/hive/HiveBucketAdapterRecordCursor.java/HiveBucketAdapterRecordCursor/getSystemMemoryUsage
class HiveBucketAdapterRecordCursor:    @Override
    public long getSystemMemoryUsage()
    {
        return delegate.getSystemMemoryUsage();
    }