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https://issues.apache.org/jira/browse/SPARK-7108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14514440#comment-14514440
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Marcelo Vanzin commented on SPARK-7108:
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The docs explicit say that the configuration will be overridden. How am I
interpreting that wrong? In my view, if anyone depended on that, they were
depending on undocumented behaviour. Their app would not work on YARN, for
example, since YARN follows the documentation (i.e. spark.local.dir does
nothing when in the cluster - only the driver in client mode is affected).
> spark.local.dir is no longer honored in Standalone mode
> -------------------------------------------------------
>
> Key: SPARK-7108
> URL: https://issues.apache.org/jira/browse/SPARK-7108
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.1, 1.3.0
> Reporter: Josh Rosen
> Priority: Critical
>
> Prior to SPARK-4834, configuring spark.local.dir in the driver would affect
> the local directories created on the executor. After this patch, executors
> will always ignore this setting in favor of directories read from
> {{SPARK_LOCAL_DIRS}}, which is set by the standalone worker based on the
> worker's own configuration and not the application configuration.
> This change impacts users who configured {{spark.local.dir}} only in their
> driver and not via their cluster's {{spark-defaults.conf}} or
> {{spark-env.sh}} files. This is an atypical use-case, since the available
> local directories / disks are a property of the cluster and not the
> application, which probably explains why this issue has not been reported
> previously.
> The correct fix might be comment + documentation improvements.
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