Gour Saha created YARN-5498:
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Summary: [Usability] Make UI continue to work and render already
loaded models even when there is no network connection
Key: YARN-5498
URL: https://issues.apache.org/jira/browse/YARN-5498
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Gour Saha
I load the UI in my browser and traverse to all the tabs. Then I disconnect the
network. The tabs "Queues", "Applications" and "Nodes" continue to work even
when there is no network connection. However, the "Cluster Overview" tab does
not work. This tab should also continue to show the already loaded models, for
better usability.
We should also add a small message on the top of the UI when the network
connection is gone. It is very similar to what gmail or other modern
applications do today. An exception of type
{color:red}net::ERR_INTERNET_DISCONNECTED{color} is already thrown, which can
be caught and this small message can be marked visible.
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