Why does the Data loading progress bar persist for a long time without loading the data?

Why does the Data loading progress bar persist for a long time without loading the data?

In case there is large data to be shown up in the KPI grid then, we have optimized the KPI grid in such a way that the data loads up in equal installments instead of the entire data loading up at one go. The configurable property to optimize grid loading is as below. Please contact Administrator before proceeding to make the changes arc.datagrid.partly.size = 1000 arc.distributed.parsing.size = 20 Once the above-property is set, please remember to re-cache changes.