Marcelo Vanzin created SPARK-11035:
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Summary: Launcher: allow apps to be launched in-process
Key: SPARK-11035
URL: https://issues.apache.org/jira/browse/SPARK-11035
Project: Spark
Issue Type: Sub-task
Components: Spark Core
Affects Versions: 1.6.0
Reporter: Marcelo Vanzin
The launcher library is currently restricted to launching apps as child
processes. That is fine for a lot of cases, especially if the app is running in
client mode.
But in certain cases, especially launching in cluster mode, it's more efficient
to avoid launching a new process, since that process won't be doing much.
We should add support for launching apps in process, even if restricted to
cluster mode at first. This will require some rework of the launch paths to
avoid using system properties to propagate configuration.
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