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1. Re: Incremental refresh on 60m records data source so slow
Rahul Upadhye Aug 25, 2016 6:02 AM (in response to Anders Lars)2 of 2 people found this helpfulI faced a similar situation. Im not surprised to see an Incremental refresh being slower than Full refresh. For an ever growing data set, better to go for a Full refresh.
For an Incremental refresh, Tableau will first do a row-level comparison before deciding whether to import a row or not. Full refresh means it blindly grabs everything.
In ur case ur to import 120k new rows (which is just 0.2% of existing data) some extra time is consumed in comparing & skipping 99.8% of existing rows...
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2. Re: Incremental refresh on 60m records data source so slow
John Kuo Aug 24, 2016 10:42 PM (in response to Anders Lars)1 of 1 people found this helpfulWhat kind of hardware do you have? I'm wondering if your hardware is too slammed to refresh quickly.