Dian Fu commented on YARN-3557:

Hi [~sunilg],
Thanks for your comments. 
{quote}Apart from CLI and REST, do u mean like exposing these configuration for 
a specific user (i assume this user will have some security approval in the 
cluster) so that this user can make the config via REST or api's.{quote}
Exposing these configuration for a specific user can be one option. But this 
will require users to start a job which updates the labels periodically and is 
complicated for users. If we can provide the similar method to YARN-2495 at RM 
side, user will just need to provide a script(which takes node hostname/ip as 
input and output the node labels).

> 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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