[jira] [Created] (SPARK-54533) Metric executorSource.METRIC_RESULT_SIZE is updated with uninitialized value

["Eric Yang (Jira)" <ji...@apache.org>]

Eric Yang created SPARK-54533:
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             Summary: Metric executorSource.METRIC_RESULT_SIZE is updated with uninitialized value
                 Key: SPARK-54533
                 URL: https://issues.apache.org/jira/browse/SPARK-54533
             Project: Spark
          Issue Type: Bug
          Components: UI
    Affects Versions: 4.0.0, 4.2.0
            Reporter: Eric Yang


In TaskRunner.run, the metric `executorSource.METRIC_RESULT_SIZE` is updated with the value of `task.metrics.resultSize`, which hasn't been updated itself.
{code:java}
        executorSource.METRIC_RESULT_SIZE.inc(task.metrics.resultSize) {code}
This makes this metric has zero value all the time.

It should be set to the `resultSize` which is populated later:
{code:java}
        val resultSize = serializedDirectResult.size {code}



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