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https://issues.apache.org/jira/browse/TEZ-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717594#comment-14717594
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Siddharth Seth commented on TEZ-2662:
-------------------------------------
Mostly looks good. Do we need the class to be configurable ?
Assuming the regex does not contain GC to allow for future rules to be added ?
One bit this will disallow is " -XX:+UseParNewGC -XX:+UseConcMarkSweepGC " -
which can be specified together.
> Provide a way to check whether AM or task opts are valid and error if not
> --------------------------------------------------------------------------
>
> Key: TEZ-2662
> URL: https://issues.apache.org/jira/browse/TEZ-2662
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Hitesh Shah
> Assignee: Hitesh Shah
> Attachments: TEZ-2662.1.patch, TEZ-2662.2.patch
>
>
> Current impl appends cmd-opts specified in config to programmatic opts
> provided. This creates potential conflicts when using UseParallelGC v/s
> UseG1GC
> Tez should support a way to do checks for invalid java opts and error out as
> needed.
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