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From "Andrew Or (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-12062) Master rebuilding historical SparkUI should be asynchronous
Date Tue, 01 Dec 2015 00:21:10 GMT
Andrew Or created SPARK-12062:
---------------------------------

             Summary: Master rebuilding historical SparkUI should be asynchronous
                 Key: SPARK-12062
                 URL: https://issues.apache.org/jira/browse/SPARK-12062
             Project: Spark
          Issue Type: Bug
          Components: Deploy
    Affects Versions: 1.0.0
            Reporter: Andrew Or


When a long-running application finishes, it takes a while (sometimes minutes) to rebuild
the SparkUI. However, in Master.scala this is currently done within the RPC event loop, which
runs only in 1 thread. Thus, in the mean time no other applications can register with this
master.



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