[jira] [Assigned] (SPARK-26363) Remove redundant field `executorLogs` in TaskData

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

     [ https://issues.apache.org/jira/browse/SPARK-26363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-26363:
------------------------------------

    Assignee: Apache Spark

> Remove redundant field `executorLogs` in TaskData
> -------------------------------------------------
>
>                 Key: SPARK-26363
>                 URL: https://issues.apache.org/jira/browse/SPARK-26363
>             Project: Spark
>          Issue Type: Improvement
>          Components: Web UI
>    Affects Versions: 3.0.0
>            Reporter: Gengliang Wang
>            Assignee: Apache Spark
>            Priority: Major
>
> In https://github.com/apache/spark/pull/21688, a new filed `executorLogs` is added to `TaskData` in `api.scala`:
> 1. The field should not belong to `TaskData` (from the meaning of wording).
> 2. This is redundant with ExecutorSummary. 
> 3. For each row in the task table, the executor log value is lookup in KV store every time, which can be avoided for better performance in large scale.
> This PR propose to reuse the executor details of request "/allexecutors" , so that we can have a cleaner api data structure, and redundant KV store queries are avoided. 



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