[GitHub] [incubator-heron] thinker0 commented on pull request #3831: Added to show the number of instances in the topology list UI.

[GitBox]

thinker0 commented on PR #3831:
URL: https://github.com/apache/incubator-heron/pull/3831#issuecomment-1127157743

   > The value is blank in your image. I see the instance count at the top, but 
not in the middle of the image.
   
   It is because the tracker cannot calculate all metrics.
   This is a problem with topologies with many instances.
   
   <img width="2560" alt="image" 
src="https://user-images.githubusercontent.com/357785/168511121-19ec07ff-f8c9-4e3f-8248-0dd322cc3d18.png";>
   
   - 200 or so instances works fine.
   <img width="2552" alt="image" 
src="https://user-images.githubusercontent.com/357785/168511326-d96fed4c-88cd-493c-bad7-f005a1e5806a.png";>
   


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