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Posted to issues@spark.apache.org by "Tathagata Das (JIRA)" <ji...@apache.org> on 2014/12/25 04:51:13 UTC

[jira] [Resolved] (SPARK-4873) Use `Future.zip` instead of `Future.flatMap`(for-loop) in WriteAheadLogBasedBlockHandler

     [ https://issues.apache.org/jira/browse/SPARK-4873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tathagata Das resolved SPARK-4873.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.1
                   1.3.0

> Use `Future.zip` instead of `Future.flatMap`(for-loop) in WriteAheadLogBasedBlockHandler
> ----------------------------------------------------------------------------------------
>
>                 Key: SPARK-4873
>                 URL: https://issues.apache.org/jira/browse/SPARK-4873
>             Project: Spark
>          Issue Type: Improvement
>          Components: Streaming
>            Reporter: Shixiong Zhu
>            Priority: Minor
>             Fix For: 1.3.0, 1.2.1
>
>
> Use Future.zip instead of Future.flatMap(for-loop). zip implies these two Futures will run concurrently, while flatMap usually means one Future depends on the other one.



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