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PowerBI123456
Post Partisan
Post Partisan

Service refresh slower than desktop

Hi - my desktop refresh is about 10-15 minutes for my model, but can take 2-3 hours in service. Any idea on why that is happening? I thought service would be the same or faster than desktop. 

4 REPLIES 4
v-xiaoyan-msft
Community Support
Community Support

Hi,@PowerBI123456 

 

When the refresh is in fact slow, it can be due to several reasons:

  • Insufficient CPU (refresh can be very CPU-intensive).
  • Insufficient memory, resulting in refresh pausing (which requires the refresh to start over when conditions are favorable to recommence).
  • Non-capacity reasons, including datasource system responsiveness, network latency, invalid permissions or gateway throughput.
  • Data volume - a good reason to configure incremental refresh.

 

Incremental refresh can significantly reduce data refresh duration, especially for large model tables. There are four benefits associated with incremental refresh:

  • Refreshes are faster - Only a subset of a table needs loading, reducing CPU and memory usage, and parallelism can be higher when refreshing multiple partitions.
  • Refreshes occur only when required - Incremental refresh policies can be configured to load only when data has changed.
  • Refreshes are more reliable - Shorter running connections to volatile datasource systems are less susceptible to disconnection.
  • Models remain trim - Incremental refresh policies can be configured to automatically remove history beyond a sliding window of time.

For more information you can refer to this :

https://docs.microsoft.com/en-us/power-bi/admin/service-premium-incremental-refresh 

 

Hope it helps.

 

Best Regards,

Caitlyn Yan

 

If this post helps then please consider Accept it as the solution to help the other members find it more quickly.

 

amitchandak
Super User
Super User

@PowerBI123456 , Are you using Gateway. Because speed to data refresh will depends on the speed on transfer from the machine having gateway. Can check data upload speed at gateway.

@amitchandak  Yes using an on prem gateway, what is the best way to check?

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