Issue Summary

Control chart is limited by the page size limit of returned searches, currently 10000.

We should have better messaging to inform users/admins that the chart is not able to present all datapoints.

 

Steps to Reproduce

1. Create a board with a filter including over 10000 work items. Generally this means not scoping to specific project spaces
2. Perform some work or ensure that the work items have some version/sprint history
3. Check the control chart

Expected Results

• Control  chart properly displays all the relevant work items.
• If there are too many work items, present a message to indicate the limitation.

Actual Results

• No work items are displayed, or the result is a very small set of work items.
• No indication that this is a partial dataset.

Workaround

Modify the board filter to narrow down the scope to reduce the amount of work items.