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Posted to issues@spark.apache.org by "Lantao Jin (JIRA)" <ji...@apache.org> on 2019/03/04 03:58:00 UTC

[jira] [Created] (SPARK-27038) Rack resolving takes a long time when initializing TaskSetManager

Lantao Jin created SPARK-27038:
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             Summary: Rack resolving takes a long time when initializing TaskSetManager
                 Key: SPARK-27038
                 URL: https://issues.apache.org/jira/browse/SPARK-27038
             Project: Spark
          Issue Type: Bug
          Components: YARN
    Affects Versions: 2.4.0
            Reporter: Lantao Jin


If submits a stage with abundant tasks, rack resolving takes a long time when initializing TaskSetManager caused by a mass of loops to execute rack resolving script.





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