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Home > Forums > Project and Data Management > Data Management Programming issues > Data warehousing general discussion Forum

Tips to speed up performance when loading data warehouse

thread353-1516418
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RonvdP (Programmer)
29 Nov 08 6:41
Who has got tips to increase the speed with which data is loaded in a data warehouse?
We are working in a DB2-environment mainframe.

Thanks
blom0344 (TechnicalUser)
29 Nov 08 14:10
Would depend on the structure of the datawarehouse. The datavault architecture (http://www.danlinstedt.com/AboutDV.php) is especially equipped with fast and efficient loading.
More generally, dropping indices and refering RI during load would increase load times. I have no mainframe experience, so this may no apply..

Ties Blom
 
 
Hans63 (Programmer)
1 Dec 08 3:28
You may even wonder if RI should be enabled at all in your DWH. It should be taken care of by the only source of mutations: your ETL code.

As I don't have any experience on DB2 can not be of help here.
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