We're looking to deploy some PBI reports to our field managers that are connected to a live SSAS tabular instance. However slicing and filtering data in reports on either the IPad and through the browser is very slow – around 7 seconds per interaction
- The same interactions in the desktop app take about 1 second
- Trace analysis shows queries against the tabular model take a fraction of a second within the engines, but the overall request duration is 3-4 seconds (in analysing a single request)
In attempting to improve performance, we
- Reduced the amount of data in the tabular model from 10m to 200k records – no impact
- Reduced the amount of data being pulled through to the report. i.e. removed the one table that brings through detailed data at the lowest, transactional level – improved by maybe half a second
- Removed all but 3 visualisations – resulted in 1 second durations, but of course we need all visualisations
- Removed role security, changed privacy settings, restarted the SSAS connector service (on the same server as the SSAS tabular model), stopped sending usage data – no impact
- Removed all filters from the filter pane – no impact
Can anyone help?