Shell creation issue

Dear experts, I've got a question regarding shell creation of TDMS.
I've finished the export from ECC IDES system (SR3). The size of export files are over 30GB... is it normal? Can I reduce the data? Since it'll take me more than 200GB disk in target system.
Is it been setup in the step of "Determine Tables to be Excluded from the Export"?
Which data can be reduced in the table regarding IDES shell creation?
Thanks!

Hi Jett
Your first question is not very clear to me -
Seems that, the data folder of export is still the same as before. Is it normal?
>I think you mean to say that the size of the data folder of export is of same size as before. Yes that is normal. However i feel the doubt that remains in your mind is that you want to be sure that its doing a reduced transfer and not a full transfer. Well you cant make a decision based on the size of the export folder. To decide that you can do the following -
Pick one excluded table and in the exports folder try to search for its existence in the .TOC files. If you find it in any of the .TOC files then it indicates that a full transfer is happening instead of a reduced one. If you dont find it in .TOC but you find that excluded table in .STR files that indicates that a reduced transfer is happening and everything is fine. The existence of the excluded table in .STR file indicates that the structure information of the excluded table will be transferred although the data is not getting transferred.
Regarding your second set of queries -
Please understand that there are two parts to shell creation one is excluding the data to be transferred for a set of tables, so no data at all get transferred to the target system for all the excluded tables. Second part is that how much filespace (on target system) should be allocated to tables which are there in the excluded tables list, by default the import process will assign same space to a table in target system as the space allocated to it in the source system. So if a table for which no data is getting transferred was of size say 10 MB in sender so the import process will allocate a filesize of 10 MB to the table in target system also although it will be blank. To avoid this and to reduce the overall size of target system, we reduce the sizes that should be allocated to the excluded tables in the target system in the activity "Determin and Modify Size of Tables".
Now for the question what do the ratios mean and on what basis do we assign the ratios-
>Say for example Ratio20 means that the import process will assign 20% of the original size (in sender system) to the table in the target system. Regarding on what basis are the ratios determined - The ratios are determined on the basis that how much data do you expect each table to hold later on. So this depends on which process of TDMS (vis TDTIM, TDMDC, TDTCC) do you want to execute after shell creation. In case of TDTIM process type it may also depend on the period for which you want to transfer the data. For this reason we have provided various templates (vis TDTIM, TDMDC etc) in the activity "Determin and Modify Size of Tables". So we have tried to build this intelligence into the system. So if you want to excute a TDMDC scenario after shell creation then you should choose the template TDMDC in the activity "Determin and Modify Size of Tables" and the system will automatically assign defferent ratios to different tables.
In my last post i had suggested that if you want to further reduce the size of your target system (although the assigned template will automatically reduce the size of the target system) you can do the same by further reducing the ratios for the tables for which you dont expect much data to be transfered. This functionality of altering ratios for certain table or set of tables is available in the activity "Determin and Modify Size of Tables". SAP already delivers ratios which will be optimum for different tables, if you want to override those setting and provide your own ratios then it should be done at your own risk.
I hope this post explain you the entire concept. In case you have some doubt feel free to write again.
Regards
Pankaj.

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