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https://issues.apache.org/jira/browse/TEZ-3338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390219#comment-15390219
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Sangjin Lee commented on TEZ-3338:
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bq. Other parts of the classpath would be user specific, or is there a reason
to define userclasspath to be a single location?
No. It doesn't need to be. But we should be able to make a decision what needs
to be user classpath and what should be system classpath. Specifically it would
be changes in {{TezYARNUtils.getFrameworkClasspath()}} and code around it (we
would have another environment variable for the user classpath). Hope that
makes sense.
> Support classloader isolation
> -----------------------------
>
> Key: TEZ-3338
> URL: https://issues.apache.org/jira/browse/TEZ-3338
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Ming Ma
>
> HADOOP-10893 and MAPREDUCE-1700 provide classloader isolation at both client
> side and container side for MR. We should add the same support for Tez. Given
> we use hadoop command to launch Tez, it appears the client side has been
> taken care of. Only the container side support is needed.
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