[jira] [Closed] (SPARK-2017) web ui stage page becomes unresponsive when the number of tasks is large

["Andrew Or (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Or closed SPARK-2017.
----------------------------
          Resolution: Fixed
            Assignee: Andrew Or
    Target Version/s: 1.4.2, 1.5.0

> web ui stage page becomes unresponsive when the number of tasks is large
> ------------------------------------------------------------------------
>
>                 Key: SPARK-2017
>                 URL: https://issues.apache.org/jira/browse/SPARK-2017
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Web UI
>    Affects Versions: 1.0.0
>            Reporter: Reynold Xin
>            Assignee: Andrew Or
>              Labels: starter
>             Fix For: 1.4.2, 1.5.0
>
>
> {code}
> sc.parallelize(1 to 1000000, 1000000).count()
> {code}
> The above code creates one million tasks to be executed. The stage detail web ui page takes forever to load (if it ever completes).
> There are again a few different alternatives:
> 0. Limit the number of tasks we show.
> 1. Pagination
> 2. By default only show the aggregate metrics and failed tasks, and hide the successful ones.



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