Sidharta Seethana commented on YARN-3366:

Hi [~vinodkv],

conf.get("hadoop.tmp.dir"): We should write to the nmPrivate directories 
instead of /tmp.

Digging in this further, it turns out that the change is far from trivial 
because of the way initialization works in the node manager today. I filed a 
separate JIRA to track this : https://issues.apache.org/jira/browse/YARN-3531 .

I'll update the patch based on the rest of the feedback as discussed above.


> Outbound network bandwidth : classify/shape traffic originating from YARN 
> containers
> ------------------------------------------------------------------------------------
>                 Key: YARN-3366
>                 URL: https://issues.apache.org/jira/browse/YARN-3366
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Sidharta Seethana
>            Assignee: Sidharta Seethana
>         Attachments: YARN-3366.001.patch, YARN-3366.002.patch, 
> YARN-3366.003.patch, YARN-3366.004.patch, YARN-3366.005.patch, 
> YARN-3366.006.patch
> In order to be able to isolate based on/enforce outbound traffic bandwidth 
> limits, we need  a mechanism to classify/shape network traffic in the 
> nodemanager. For more information on the design, please see the attached 
> design document in the parent JIRA.

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