[jira] [Commented] (SPARK-3651) Consolidate executor maps in CoarseGrainedSchedulerBackend

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

    [ https://issues.apache.org/jira/browse/SPARK-3651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14147619#comment-14147619 ] 

Apache Spark commented on SPARK-3651:
-------------------------------------

User 'tigerquoll' has created a pull request for this issue:
https://github.com/apache/spark/pull/2533

> Consolidate executor maps in CoarseGrainedSchedulerBackend
> ----------------------------------------------------------
>
>                 Key: SPARK-3651
>                 URL: https://issues.apache.org/jira/browse/SPARK-3651
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.1.0
>            Reporter: Andrew Or
>            Assignee: Dale Richardson
>
> In CoarseGrainedSchedulerBackend, we have:
> {code}
>     private val executorActor = new HashMap[String, ActorRef]
>     private val executorAddress = new HashMap[String, Address]
>     private val executorHost = new HashMap[String, String]
>     private val freeCores = new HashMap[String, Int]
>     private val totalCores = new HashMap[String, Int]
> {code}
> We only ever put / remove stuff from these maps together. It would simplify the code if we consolidate these all into one map as we have done in JobProgressListener in https://issues.apache.org/jira/browse/SPARK-2299.



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