@Override
  public SerDeStats getSerDeStats() {
    // must be different
    assert (lastOperationSerialize != lastOperationDeserialize);

    if (lastOperationSerialize) {
      stats.setRawDataSize(serializedSize);
    } else {
      stats.setRawDataSize(cachedLazyStruct.getRawDataSerializedSize());
    }
    return stats;

  }
Returns the statistics after (de)serialization)
serde/src/java/org/apache/hadoop/hive/serde2/lazy/LazySimpleSerDe.java