[jira] [Created] (SPARK-3215) Add remote interface for SparkContext

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

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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