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https://issues.apache.org/jira/browse/SPARK-1110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Wendell updated SPARK-1110:
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Reporter: Patrick Wendell (was: Patrick Cogan)
> Clean up and clarify use of SPARK_HOME
> --------------------------------------
>
> Key: SPARK-1110
> URL: https://issues.apache.org/jira/browse/SPARK-1110
> Project: Apache Spark
> Issue Type: Improvement
> Reporter: Patrick Wendell
> Assignee: Patrick Cogan
> Fix For: 1.0.0
>
>
> In the spirit of SPARK-929 we should clean up the use of SPARK_HOME and, if
> possible, remove it entirely.
> We need to look through what this is used for. One use was allowing
> applications to run different versions of Spark in standalone mode. For
> instance, someone could submit an application with a custom SPARK_HOME and
> the Worker would launch an Executor using a different path for Spark. This
> use case is not widely used and maybe should just be removed.
> The existing constructors that take SPARK_HOME for this purpose should be
> deprecated and we should explain that SPARK_HOME is no longer used for this
> purpose.
> If there are other legitimate reasons for SPARK_HOME, we can keep it
> around... we need to audit the uses of it.
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