Slow performance of Webi reports after migration to 4.1

Hi All,

We have recently migrated from BO3.1 to BO4.1 SP5 Patch 4.

We are experiencing slow performance of Webi reports (almost all reports), almost taking double time to run.

Could anyone suggest what can be done to improve the performance, must be BO4 server side settings? as similar report is running in half time on BO3.1.

Appreciate any suggestion.

Thanks!

Sonam