|DataEngine dataset cache [message #991718]
||Thu, 20 December 2012 03:22
| donino donino
Registered: July 2011
I'm not sure to understand how this dataset cache works in Report Engine 4.2, please is there any resource or documentation which could help? Is this cache shared across several reports executions, or only used within a single execution (when a dataset is accessed multiple times in a report)?
We checked all our datasets have a property "Needs cache for data-engine" set to true, though it appears only a few of them actually create a dataEngine Object in the tmpDir Birt engine folder, using RE API. In fact it seems only datasets which have a row limit defined use a dataEngine cache.
Any link to documentation/information will be much appreciated!
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