Am I right
on this?
-Original Message-
From: Sean Owen [mailto:so...@cloudera.com]
Sent: Thursday, December 18, 2014 2:04 AM
To: Anton Brazhnyk
Cc: user@spark.apache.org
Subject: Re: SPARK-2243 Support multiple SparkContexts in the same JVM
Yes, although once you have multiple ClassL
Yes, although once you have multiple ClassLoaders, you are operating
as if in multiple JVMs for most intents and purposes. I think the
request for this kind of functionality comes from use cases where
multiple ClassLoaders wouldn't work, like, wanting to have one app (in
one ClassLoader) managing m
Hi Anton,
That could solve some of the issues (I've played with that a little
bit). But there are still some areas where this would be sub-optimal,
because Spark still uses system properties in some places and those
are global, not per-class loader.
(SparkSubmit is the biggest offender here, but
