We are trying to import our fact table into dataflow. We have managed to import it spliting the fact table in weeks time periods, but there are so many dataflows. When we try to split the fact table in months or higher periods we have a time out error. Our source is a SQL Server query that usually takes from 10 min for a week period up to 35 min for a longer time periods.
We don´t have time out errors in the SQL Server manage studio when we execute the query
In the Power BI Serviece the operation keeps timing out and the logfile give us these error details:
- Non-gateway exception encountered in activity scope: Microsoft.Data.Mashup.MashupHostingException (0x80004005): Timeout expired. The timeout period elapsed prior to completion of the operation.
We have tried increasing these parameters 'QueryExecutionAggregationTimeInMinutes' and 'SystemCounterAggregationTimeInMinutes' as we saw in this url (https://docs.microsoft.com/en-us/data-integration/gateway/service-gateway-performance) but the operation still times out.
Hope you can help me!
Solved! Go to Solution.
The issue is that the dataflows in the service are the source of my Power bi desktop. So the time out error happens when I try to create the dataflow in the service with such a big SQL query . Then yes, I will do an incremental refresh while I will be uploading the report daily into the service
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