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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/01/25 10:10:26 UTC

[jira] [Assigned] (SPARK-18495) Web UI should document meaning of green dot in DAG visualization

     [ https://issues.apache.org/jira/browse/SPARK-18495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-18495:
------------------------------------

    Assignee: Apache Spark

> Web UI should document meaning of green dot in DAG visualization
> ----------------------------------------------------------------
>
>                 Key: SPARK-18495
>                 URL: https://issues.apache.org/jira/browse/SPARK-18495
>             Project: Spark
>          Issue Type: Improvement
>          Components: Web UI
>    Affects Versions: 2.0.2
>            Reporter: Nicholas Chammas
>            Assignee: Apache Spark
>            Priority: Trivial
>
> A green dot in the DAG visualization apparently means that the referenced RDD is cached. This is not documented anywhere except in [this blog post|https://databricks.com/blog/2015/06/22/understanding-your-spark-application-through-visualization.html].
> It would be good if the Web UI itself documented this somehow (perhaps in the tooltip?) so that the user can naturally learn what it means while using the Web UI.



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