XdithyX opened a new pull request, #55626:
URL: https://github.com/apache/spark/pull/55626
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### What changes were proposed in this pull request?
This PR fixes a UI regression in the Spark Web UI (Jobs and Stages pages)
where spacing between the data table and the pagination controls ("Page", "Jump
to", "Show items") was missing
([SPARK-55810](https://issues.apache.org/jira/browse/SPARK-55810)).
The issue was introduced during the Bootstrap upgrade in #54552, which
caused the pagination controls to appear visually attached to the table. This
change restores appropriate spacing between these elements to improve layout
clarity and consistency.
### Why are the changes needed?
Without proper spacing, the table and pagination controls appear cramped and
visually misaligned, which negatively impacts readability and overall user
experience in the Spark Web UI.
This is a regression caused by the Bootstrap upgrade and should be fixed to
maintain UI consistency.
### Does this PR introduce _any_ user-facing change?
Yes.
It improves the visual layout of the Jobs and Stages pages in the Spark Web
UI by restoring proper spacing between the table and pagination controls.
### How was this patch tested?
1. Built Spark locally and ran spark-shell
2. Opened the Spark Web UI and navigated to the "Jobs" and "Stages" tabs
3. Verified that spacing between the table and pagination controls is
correctly applied
4. Compared behavior before and after the fix to confirm the issue is
resolved
### Was this patch authored or co-authored using generative AI tooling?
No.
### Screenshots
| Before the fix | After the fix |
|---------------|--------------|
| <img width="1512" height="652" alt="Before fix"
src="https://github.com/user-attachments/assets/2d005f96-b385-4f2c-83a9-e0330fa1141f";
/> | <img width="1512" height="664" alt="After fix"
src="https://github.com/user-attachments/assets/41ee1894-a820-4dbd-870d-9c93eff3a7ba";
/> |
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