[jira] [Assigned] (SPARK-27568) readLock leaked when method take() called on a cached rdd

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

     [ https://issues.apache.org/jira/browse/SPARK-27568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-27568:
------------------------------------

    Assignee:     (was: Apache Spark)

> readLock leaked when method take() called on a cached rdd
> ---------------------------------------------------------
>
>                 Key: SPARK-27568
>                 URL: https://issues.apache.org/jira/browse/SPARK-27568
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.4.0
>            Reporter: wuyi
>            Priority: Minor
>
>  
> {code:java}
> sc.parallelize(Range(0, 10), 1).cache().take(1){code}
>  
> if execute the above code in Spark, we'll see the line below in log:
> *19/04/25 23:48:54 INFO Executor: 1 block locks were not released by TID = 0:*
> *[rdd_0_0]* 
>  
> and, If we set "spark.storage.exceptionOnPinLeak"=true, job will fail.



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