[jira] [Commented] (SPARK-30365) When deploy mode is a client, why doesn't it support remote "spark.files" download?

["wangzhun (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-30365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17047459#comment-17047459 ] 

wangzhun commented on SPARK-30365:
----------------------------------

[~hyukjin.kwon] Thank you for your advice

> When deploy mode is a client, why doesn't it support remote "spark.files" download?
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-30365
>                 URL: https://issues.apache.org/jira/browse/SPARK-30365
>             Project: Spark
>          Issue Type: Question
>          Components: Spark Submit
>    Affects Versions: 2.3.2
>         Environment: {code:java}
>  ./bin/spark-submit \
> --master yarn  \
> --deploy-mode client \
> ......{code}
>            Reporter: wangzhun
>            Priority: Major
>
> {code:java}
> // In client mode, download remote files.
> var localPrimaryResource: String = null
> var localJars: String = null
> var localPyFiles: String = null
> if (deployMode == CLIENT) {
>   localPrimaryResource = Option(args.primaryResource).map {
>     downloadFile(_, targetDir, sparkConf, hadoopConf, secMgr)
>   }.orNull
>   localJars = Option(args.jars).map {
>     downloadFileList(_, targetDir, sparkConf, hadoopConf, secMgr)
>   }.orNull
>   localPyFiles = Option(args.pyFiles).map {
>     downloadFileList(_, targetDir, sparkConf, hadoopConf, secMgr)
>   }.orNull
> }
> {code}
> The above Spark2.3 SparkSubmit code does not download the corresponding file of "spark.files".
> I think it is possible to download remote files locally and add them to classPath.
> For example, can support --files configuration remote hive-site.xml



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