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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3557) Support Intel Trusted Execution Technology(TXT) in YARN scheduler
Date Thu, 30 Apr 2015 18:29:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-3557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14521999#comment-14521999
] 

Wangda Tan commented on YARN-3557:
----------------------------------

Hi [~dian.fu],
Thanks for posting design doc, I just done a quick look at the doc, it seems to me supporting
TXT can stay outside of YARN scheduler. Scheduler doesn't need to know if a node is trusted
or not, "trusted" will be a generic label of a node. And some questions for design:

bq. Currently for centralized node label configuration, it only supports admin configure node
label through CLI. Need to provide a mechanism at RM side which can configure node label in
the similar way as YARN-2495.
Now RM supports using CLI or REST API, are they enough for you to configure NM's "trusted"
status?

bq. Currently user can configure centralized node label configuration or distributed node
label configuration, but cannot configure both. 
Configure both could be problematic, see my comment: https://issues.apache.org/jira/browse/YARN-2495?focusedCommentId=14317048&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14317048.

Please let me know if your thoughts.

> Support Intel Trusted Execution Technology(TXT) in YARN scheduler
> -----------------------------------------------------------------
>
>                 Key: YARN-3557
>                 URL: https://issues.apache.org/jira/browse/YARN-3557
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Dian Fu
>         Attachments: Support TXT in YARN high level design doc.pdf
>
>
> Intel TXT defines platform-level enhancements that provide the building blocks for creating
trusted platforms. A TXT aware YARN scheduler can schedule security sensitive jobs on TXT
enabled nodes only. YARN-2492 provides the capacity to restrict YARN applications to run only
on cluster nodes that have a specified node label. This is a good mechanism that be utilized
for TXT aware YARN scheduler.



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