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https://issues.apache.org/jira/browse/YARN-7626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16368027#comment-16368027
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Zian Chen commented on YARN-7626:
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Hi [~miklos.szeg...@cloudera.com] , really appreciate your comments for the
latest patch. I agree with most of the suggestions. Just have two quick
questions here for the conceptual issues No. 2,
# Since current trunk code base uses ^$ pair as the judgment criteria for
regex, could you kindly give us an example that there is any other type of
regex that is not like ^$ pair which is useful to us in docker volume mount
scenario?
# I'm also concerned using regex: as a prefix instead of ^$ pair for regex may
introduce security holes, what if hackers input user mount like regex+ as a
prefix?
Could you please advice? Thank you so much!
> Allow regular expression matching in container-executor.cfg for devices and
> named docker volumes mount
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-7626
> URL: https://issues.apache.org/jira/browse/YARN-7626
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Zian Chen
> Assignee: Zian Chen
> Priority: Major
> Attachments: YARN-7626.001.patch, YARN-7626.002.patch,
> YARN-7626.003.patch, YARN-7626.004.patch, YARN-7626.005.patch,
> YARN-7626.006.patch, YARN-7626.007.patch, YARN-7626.008.patch
>
>
> Currently when we config some of the GPU devices related fields (like ) in
> container-executor.cfg, these fields are generated based on different driver
> versions or GPU device names. We want to enable regular expression matching
> so that user don't need to manually set up these fields when config
> container-executor.cfg,
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