[jira] [Created] (SPARK-44703) Log eventLog rewrite duration when compact old event log files

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

shuyouZZ created SPARK-44703:
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             Summary: Log eventLog rewrite duration when compact old event log files
                 Key: SPARK-44703
                 URL: https://issues.apache.org/jira/browse/SPARK-44703
             Project: Spark
          Issue Type: Task
          Components: Spark Core
    Affects Versions: 3.4.1
            Reporter: shuyouZZ
             Fix For: 3.5.0


When enable {{spark.eventLog.rolling.enabled}} and the number of eventLog files exceeds the value of {{{}spark.history.fs.eventLog.rolling.maxFilesToRetain{}}},
HistoryServer will compact the old event log files into one compact file.

Currently there is no log the rewrite duration in {{rewrite}} method, this metric is useful for understand the compact duration, so we need add logs in the method.



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