Data size is reported differently between Transferred Volume(MB) listed in Qlik Replicate and the Target/Source table.
In Qlik Replicate the Transferred Volume(MB) is displayed as such:
The target or source database may show a different volume:
Resolution
The data size Qlik Replicate reads (and processes) may be very different from the actual size of the data in the database.
For example: a string column may be stored in the DB in specific encoding, using XX bytes storage. However, Qlik Replicate will request the data in multi-byte in order to avoid NLS issues, which may lead it to read twice as much data.
In addition, data Blocks, extents and segments in table may by difference before/after transferring data from source table to target table depending on Database and Journaling file system.
Related Content:
Information for tables that have completed loading