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Dataflow is caching data between linked entities and not updating.


I have a dataflow set up like this in the service:



At step 1, I have incremental refresh enabled - pointing at an insert and LAST_UPDATE date/time column.   Enhanced Compute Engine is set to ON.  This is a table with ~2m rows.


At step 2, Enhanced Compute Engine is set to "Optimized."  For testing purposes I'm only linking the table from step 1 and not performing any transformations at all on that table.



I am seeing a mismatch in data between linked entities in step 1 and 2:


Here is what a particular value looks like in the Extract step, with the filter applied at the very last step (after the incremental refresh step):




Here is the same table, with a filter applied as the very first step against the linked table:



What is going on here?  I've had this issue crop up periodically now and I can resolve it by dropping the cached table in the extract or sometimes by toggling ECU on and off...but nothing seems terribly clear about what's causing the issue

Super User
Super User

@Nerble , there is something unstable happening within the Enhanced Computed Engine logic. I am having a very similar issue at it's been months without any solution.

Yeah I'm still having this issue crop up as well. 

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