Space Occupied By SISS Raw File Is More

Oct 23, 2007


The system I had developed is having a data flow as following:

Source received as file, .dat file
For better performance I€™m doing little transformation between .dat file to SSIS Raw file then from Raw files doing Type2 and Type3 mappings to adhere the business rules and loading the data to destination tables.

The .dat file I receive (there are many file some where around 25 file) is dumped in a folder as €œsource€? and the Raw file are in other folder as €œSSIS files€?.

My concern is the source folder size is 6GB and the same files converted in SSIS raw files format present in SSIS FILE folder and the size of this folder is 10GB.

Why is that so? Where as there€™s no extra data and the transformations between source and SISS files are like substring for the different date format and data type conversion.

Any ideas, your help in this would be appreciated.


Thank you

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