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Posted to issues@spark.apache.org by "jiahong.li (Jira)" <ji...@apache.org> on 2024/05/22 13:05:00 UTC

[jira] [Created] (SPARK-48391) use addAll instead of add function in TaskMetrics

jiahong.li created SPARK-48391:
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             Summary: use addAll instead of add function  in TaskMetrics 
                 Key: SPARK-48391
                 URL: https://issues.apache.org/jira/browse/SPARK-48391
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.5.1, 3.5.0
            Reporter: jiahong.li


In the fromAccumulators method of TaskMetrics，we should use `
tm._externalAccums.addAll` instead of `tm._externalAccums.add`, as _externalAccums is a instance of CopyOnWriteArrayList



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