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https://issues.apache.org/jira/browse/SPARK-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14263823#comment-14263823
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Sean Owen commented on SPARK-1529:
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So Spark needs to read and write local files for things like shuffle. It uses
java.io. this continues to work everywhere. I am still missing why something
has to go through HDFS or NFS here. These files should not be on NFS either.
> Support setting spark.local.dirs to a hadoop FileSystem
> --------------------------------------------------------
>
> Key: SPARK-1529
> URL: https://issues.apache.org/jira/browse/SPARK-1529
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: Patrick Wendell
> Assignee: Cheng Lian
>
> In some environments, like with MapR, local volumes are accessed through the
> Hadoop filesystem interface. We should allow setting spark.local.dir to a
> Hadoop filesystem location.
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