[jira] [Assigned] (SPARK-2016) rdd in-memory storage UI becomes unresponsive when the number of RDD partitions is large

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

     [ https://issues.apache.org/jira/browse/SPARK-2016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-2016:
-----------------------------------

    Assignee:     (was: Apache Spark)

> rdd in-memory storage UI becomes unresponsive when the number of RDD partitions is large
> ----------------------------------------------------------------------------------------
>
>                 Key: SPARK-2016
>                 URL: https://issues.apache.org/jira/browse/SPARK-2016
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Web UI
>            Reporter: Reynold Xin
>              Labels: starter
>
> Try run
> {code}
> sc.parallelize(1 to 100, 1000000).cache().count()
> {code}
> And open the storage UI for this RDD. It takes forever to load the page.
> When the number of partitions is very large, I think there are a few alternatives:
> 0. Only show the top 1000.
> 1. Pagination
> 2. Instead of grouping by RDD blocks, group by executors



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