[jira] [Created] (SPARK-2661) Unpersist last RDD in bagel iteration

[Adrian Wang (JIRA)]

Adrian Wang created SPARK-2661:
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             Summary: Unpersist last RDD in bagel iteration
                 Key: SPARK-2661
                 URL: https://issues.apache.org/jira/browse/SPARK-2661
             Project: Spark
          Issue Type: Improvement
    Affects Versions: 1.0.1
            Reporter: Adrian Wang


In bagel iteration, we only depend on RDD[n] to get RDD[n+1], so we can 
unpersist RDD[n-1] after we get RDD[n]. 



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