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Posted to issues@spark.apache.org by "Andrew Or (JIRA)" <ji...@apache.org> on 2015/06/29 21:30:04 UTC

[jira] [Updated] (SPARK-8130) spark.files.useFetchCache should be off by default

     [ https://issues.apache.org/jira/browse/SPARK-8130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Or updated SPARK-8130:
-----------------------------
    Affects Version/s: 1.2.0

> spark.files.useFetchCache should be off by default
> --------------------------------------------------
>
>                 Key: SPARK-8130
>                 URL: https://issues.apache.org/jira/browse/SPARK-8130
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.2.0
>            Reporter: Josh Rosen
>            Priority: Minor
>
> I noticed that {{spark.files.useFetchCache}} is on by default, but I think that we should turn it off by default since it's unlikely to improve performance for all but a handful of users and adds some extra IO / complexity (albeit only at executor / app startup).



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