[jira] [Commented] (SPARK-3685) Spark's local dir scheme is not configurable

["Andrew Or (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-3685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14147206#comment-14147206 ] 

Andrew Or commented on SPARK-3685:
----------------------------------

Note that this is not meaningful unless we also change the usages of this to use the Hadoop FileSystem. This requires a non-trivial refactor of shuffle and spill code to use the Hadoop API.

> Spark's local dir scheme is not configurable
> --------------------------------------------
>
>                 Key: SPARK-3685
>                 URL: https://issues.apache.org/jira/browse/SPARK-3685
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 1.1.0
>            Reporter: Andrew Or
>
> When you try to set local dirs to "hdfs:/tmp/foo" it doesn't work. What it will try to do is create a folder called "hdfs:" and put "tmp" inside it. This is because in Util#getOrCreateLocalRootDirs we use java.io.File instead of Hadoop's file system to parse this path. We also need to resolve the path appropriately.
> This may not have an urgent use case, but it fails silently and does what is least expected.



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