[jira] [Commented] (SPARK-1825) Windows Spark fails to work with Linux YARN

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14268858#comment-14268858 ] 

Apache Spark commented on SPARK-1825:
-------------------------------------

User 'tsudukim' has created a pull request for this issue:
https://github.com/apache/spark/pull/3943

> Windows Spark fails to work with Linux YARN
> -------------------------------------------
>
>                 Key: SPARK-1825
>                 URL: https://issues.apache.org/jira/browse/SPARK-1825
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 1.0.0
>            Reporter: Taeyun Kim
>         Attachments: SPARK-1825.patch
>
>
> Windows Spark fails to work with Linux YARN.
> This is a cross-platform problem.
> This error occurs when 'yarn-client' mode is used.
> (yarn-cluster/yarn-standalone mode was not tested.)
> On YARN side, Hadoop 2.4.0 resolved the issue as follows:
> https://issues.apache.org/jira/browse/YARN-1824
> But Spark YARN module does not incorporate the new YARN API yet, so problem persists for Spark.
> First, the following source files should be changed:
> - /yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala
> - /yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ExecutorRunnableUtil.scala
> Change is as follows:
> - Replace .$() to .$$()
> - Replace File.pathSeparator for Environment.CLASSPATH.name to ApplicationConstants.CLASS_PATH_SEPARATOR (import org.apache.hadoop.yarn.api.ApplicationConstants is required for this)
> Unless the above are applied, launch_container.sh will contain invalid shell script statements(since they will contain Windows-specific separators), and job will fail.
> Also, the following symptom should also be fixed (I could not find the relevant source code):
> - SPARK_HOME environment variable is copied straight to launch_container.sh. It should be changed to the path format for the server OS, or, the better, a separate environment variable or a configuration variable should be created.
> - '%HADOOP_MAPRED_HOME%' string still exists in launch_container.sh, after the above change is applied. maybe I missed a few lines.
> I'm not sure whether this is all, since I'm new to both Spark and YARN.



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