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https://issues.apache.org/jira/browse/SPARK-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290602#comment-14290602
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Sean Owen commented on SPARK-3875:
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You can already set {{java.io.tmpdir}}, without making a new property, and that
will control where all Java code puts its temp files. There is already
{{spark.local.dir}} which sounds like exactly what you're suggesting. This gets
set to a big fast disk because it's where things like shuffle files go.
Is the question here perhaps whether a few bits of code that don't use
{{spark.local.dir}} should use it? Yes, it looks like it's used by
{{HttpBroadcast.scala}} and downloading dependencies.
> Add TEMP DIRECTORY configuration
> --------------------------------
>
> Key: SPARK-3875
> URL: https://issues.apache.org/jira/browse/SPARK-3875
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.1.0
> Reporter: Patrick Liu
>
> Currently, the Spark uses "java.io.tmpdir" to find the /tmp/ directory.
> Then, the /tmp/ directory is used to
> 1. Setup the HTTP File Server
> 2. Broadcast directory
> 3. Fetch Dependency files or jars by Executors
> The size of the /tmp/ directory will keep growing. The free space of the
> system disk will be less.
> I think we could add a configuration "spark.tmp.dir" in conf/spark-env.sh or
> conf/spark-defaults.conf to set this particular directory. Let's say, set the
> directory to a data disk.
> If "spark.tmp.dir" is not set, use the default "java.io.tmpdir"
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