[jira] [Updated] (SPARK-39965) Spark on K8s delete pvc even though it's not being used.

["pralabhkumar (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-39965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

pralabhkumar updated SPARK-39965:
---------------------------------
    Component/s:     (was: Spark Core)

> Spark on K8s delete pvc even though it's not being used.
> --------------------------------------------------------
>
>                 Key: SPARK-39965
>                 URL: https://issues.apache.org/jira/browse/SPARK-39965
>             Project: Spark
>          Issue Type: Bug
>          Components: Kubernetes
>    Affects Versions: 3.3.0
>            Reporter: pralabhkumar
>            Priority: Minor
>
> In org.apache.spark.util  getConfiguredLocalDirs  
>  
> {code:java}
> if (isRunningInYarnContainer(conf)) {
>   // If we are in yarn mode, systems can have different disk layouts so we must set it
>   // to what Yarn on this system said was available. Note this assumes that Yarn has
>   // created the directories already, and that they are secured so that only the
>   // user has access to them.
>   randomizeInPlace(getYarnLocalDirs(conf).split(","))
> } else if (conf.getenv("SPARK_EXECUTOR_DIRS") != null) {
>   conf.getenv("SPARK_EXECUTOR_DIRS").split(File.pathSeparator)
> } else if (conf.getenv("SPARK_LOCAL_DIRS") != null) {
>   conf.getenv("SPARK_LOCAL_DIRS").split(",")
> }{code}
> randomizedInplace is not called conf.getenv("SPARK_LOCAL_DIRS").split(",") .  This is what used in case of K8s and the shuffle locations are not randomized. 
> IMHO , this should be randomized , so that all the directories have equal changes of pushing the data as was done on yarn side 
>  
>  
>  



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