[jira] [Created] (SPARK-30664) Add more metrics to the all stages page

["Enrico Minack (Jira)" <ji...@apache.org>]

Enrico Minack created SPARK-30664:
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             Summary: Add more metrics to the all stages page
                 Key: SPARK-30664
                 URL: https://issues.apache.org/jira/browse/SPARK-30664
             Project: Spark
          Issue Type: Improvement
          Components: Web UI
    Affects Versions: 3.0.0
            Reporter: Enrico Minack


The web UI page for individual stages has many useful metrics to diagnose poorly performing stages, e.g. spilled bytes or GC time. Identifying those stages among hundreds or thousands of stages is cumbersome, as you have to click through all stages on the all stages page. The all stages page should host more metrics from the individual stages page like
- Peak Execution Memory
- Spill (Memory)
- Spill (Disk)
- GC Time

These additional metrics would make the page more complex, so showing them should be optional. The individual stages page hides some metrics under "Show Additional Metrics". Those new metrics on the all stages page should also be made optional in the same way.

Existing metrics like
- Input
- Output
- Shuffle Read
- Shuffle Write

could be made optional as well and active by default. Then users can remove them if they want but get the same view as now by default.



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