Only half of map/layer loads in Dashboard map...?

[ArmstKP]

I have several different dashboards with different hosted feature layers.  Often, when the dashboard is opened, only half of the map/layer loads.  Anybody have any idea why this is?

Here is an example:

[RussRoberts]

Hello, couple questions

What type of layer is it?

Can you share the map and layer? 

Thanks!

Russ

[ArmstKP]

@RussRoberts This layer is just a hosted feature layer in AGOL.  I have shared the layer and webmap with you.

[RussRoberts]

Can you share it to a group with russell_jsapi 

Thanks!

[ArmstKP]

@RussRoberts invited.

[ArmstKP]

@RussRoberts I thought I should add, that these issues seems to be always when these layers are within a dashboard map...

[David_McRitchie]

Just to add I have seen similar behaviour before in a few cases. In these, it tends to be specific to a certain projection system and geometrically complex data.

I find redoing the Spatial Index or optimising the Layer drawing tends to resolve these and so that might assist in this issue. 

Hope that helps!

David

[ArmstKP]

@David_McRitchie @RussRoberts David, thank you so much!! I have gone and done what you had mentioned and it seemed to fix the issue. 

[ArmstKP]

@David_McRitchie @RussRoberts After rebuilding indexes and optimizing the layer drawing and solving the issue by reloading the dashboard, the issue is already back.  The features on the upper half of the map don't draw when dashboard is opened up, again:

[RussRoberts]

I would open a support ticket for this case. I wasn't able to see the missing feature tiles in dashboard before the index rebuild. What browser, version and device OS is reproing this?