Marcelo Vanzin created SPARK-3215:
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Summary: Add remote interface for SparkContext
Key: SPARK-3215
URL: https://issues.apache.org/jira/browse/SPARK-3215
Project: Spark
Issue Type: New Feature
Components: Spark Core
Reporter: Marcelo Vanzin
A quick description of the issue: as part of running Hive jobs on top of Spark,
it's desirable to have a SparkContext that is running in the background and
listening for job requests for a particular user session.
Running multiple contexts in the same JVM is not a very good solution. Not only
SparkContext currently has issues sharing the same JVM among multiple
instances, but that turns the JVM running the contexts into a huge bottleneck
in the system.
So I'm proposing a solution where we have a SparkContext that is running in a
separate process, and listening for requests from the client application via
some RPC interface (most probably Akka).
I'll attach a document shortly with the current proposal. Let's use this bug to
discuss the proposal and any other suggestions.
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