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Posted to issues@spark.apache.org by "Nishkam Ravi (JIRA)" <ji...@apache.org> on 2015/03/03 20:53:04 UTC

[jira] [Created] (SPARK-6142) 10-12% Performance regression with "finalize"

Nishkam Ravi created SPARK-6142:
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             Summary: 10-12% Performance regression with "finalize"
                 Key: SPARK-6142
                 URL: https://issues.apache.org/jira/browse/SPARK-6142
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.3.0
            Reporter: Nishkam Ravi


10-12% performance regression in PageRank (and potentially other workloads) caused due to the use of finalize in ExternalAppendOnlyMap. Introduced by a commit on Feb 19th. 



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