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Updated August 12, 2016
This article provides brief information and steps to resolve the issue when data for NTA takes a while to load a set of timeframe of 10 hours or more. A spinning icon displays while loading takes place. Another symptom could be that all parts of the application are loading slowly.
The issue is caused when anti-virus exclusions were not added.
Disk queue length on the drive.
This can also occur when two duplicate resources are on the same page.
Note: If the value of Avg. Disk Queue Length exceeds twice the number of spindles, then you are likely developing a bottleneck. With a volume set, a queue that is never shorter than the number of active physical disks indicates that you are developing a bottleneck.
NTA Flow Storage Database requirements follow the resources needed per the Admin guide or charts will load slow because of disk performance.