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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/10/07 23:50:34 UTC
[jira] [Commented] (SPARK-2321) Design a proper progress reporting
& event listener API
[ https://issues.apache.org/jira/browse/SPARK-2321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162614#comment-14162614 ]
Apache Spark commented on SPARK-2321:
-------------------------------------
User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/2696
> Design a proper progress reporting & event listener API
> -------------------------------------------------------
>
> Key: SPARK-2321
> URL: https://issues.apache.org/jira/browse/SPARK-2321
> Project: Spark
> Issue Type: Improvement
> Components: Java API, Spark Core
> Affects Versions: 1.0.0
> Reporter: Reynold Xin
> Assignee: Josh Rosen
> Priority: Critical
>
> This is a ticket to track progress on redesigning the SparkListener and JobProgressListener API.
> There are multiple problems with the current design, including:
> 0. I'm not sure if the API is usable in Java (there are at least some enums we used in Scala and a bunch of case classes that might complicate things).
> 1. The whole API is marked as DeveloperApi, because we haven't paid a lot of attention to it yet. Something as important as progress reporting deserves a more stable API.
> 2. There is no easy way to connect jobs with stages. Similarly, there is no easy way to connect job groups with jobs / stages.
> 3. JobProgressListener itself has no encapsulation at all. States can be arbitrarily mutated by external programs. Variable names are sort of randomly decided and inconsistent.
> We should just revisit these and propose a new, concrete design.
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