[jira] [Created] (SPARK-14403) the dag of a stage may has too many same chid cluster, and result to gc

["meiyoula (JIRA)" <ji...@apache.org>]

meiyoula created SPARK-14403:
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             Summary: the dag of a stage may has too many same chid cluster, and result to gc
                 Key: SPARK-14403
                 URL: https://issues.apache.org/jira/browse/SPARK-14403
             Project: Spark
          Issue Type: Bug
          Components: Web UI
            Reporter: meiyoula


When I run a sql query, I can't open the stage page on the web, and result the historyserver process shut down. 

After debug the code, I find a stage graph has more than 5000 same childcluster. so when going to make dot file, the process goes down.

I think the graph cluster shouldn't has the same child cluster, right?



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