You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/07/10 20:48:00 UTC

[jira] [Commented] (SPARK-21369) Don't use Scala classes in external shuffle service

    [ https://issues.apache.org/jira/browse/SPARK-21369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16081113#comment-16081113 ] 

Apache Spark commented on SPARK-21369:
--------------------------------------

User 'zsxwing' has created a pull request for this issue:
https://github.com/apache/spark/pull/18593

> Don't use Scala classes in external shuffle service
> ---------------------------------------------------
>
>                 Key: SPARK-21369
>                 URL: https://issues.apache.org/jira/browse/SPARK-21369
>             Project: Spark
>          Issue Type: Bug
>          Components: Shuffle, YARN
>    Affects Versions: 2.2.0
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>
> Right now the external shuffle service uses Scala Tuple2. However, the Scala library won't be shaded into the yarn shuffle assembly jar. Then when the codes are called, it will throw ClassNotFoundException.
> Right now it's safe by default because we disabled spark.reducer.maxReqSizeShuffleToMem. However,  to allow using spark.reducer.maxReqSizeShuffleToMem, we should remove all usages of Tuples.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org