akiyamaneko opened a new pull request #31392:
URL: https://github.com/apache/spark/pull/31392
### What changes were proposed in this pull request?
This is an extension of PR #25613, I try to add a prompt message of tip for
`Resource` column to make it easier for users to know what the column actually
means and avoid confusion.
### Why are the changes needed?
After upgrading from 2.3.2 to 3.0.1, the new `Resources` column in the
executors page is always blank because it does not use GPU/FPGA,
and there is no tip info, so users are often confused when they do not know
the exact meaning of this column.
### Does this PR introduce _any_ user-facing change?
add a tip info in the executors page.
### How was this patch tested?
manual test works well as below:

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