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From "Jian Fang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1039) Add parameter for YARN resource requests to indicate "long lived"
Date Mon, 19 Jan 2015 23:08:49 GMT

    [ https://issues.apache.org/jira/browse/YARN-1039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14283147#comment-14283147
] 

Jian Fang commented on YARN-1039:
---------------------------------

The container request could specify what tags/labels it requires, right? Tag/label is not
really a resource but an attribute instead IMO, just like short lived and long lived. 

Even you could specify long-live or short-live, resource manager still needs to translate
that into something meaningful, right? Or do you say that you have some specific logic in
YARN to handle the "long lived" containers? If that is true, then it is a different story.
Could you please elaborate a bit more about how "long lived" is defined in YARN and what kinds
of specific handling there? Thanks.

> Add parameter for YARN resource requests to indicate "long lived"
> -----------------------------------------------------------------
>
>                 Key: YARN-1039
>                 URL: https://issues.apache.org/jira/browse/YARN-1039
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 3.0.0, 2.1.1-beta
>            Reporter: Steve Loughran
>            Assignee: Craig Welch
>         Attachments: YARN-1039.1.patch, YARN-1039.2.patch, YARN-1039.3.patch
>
>
> A container request could support a new parameter "long-lived". This could be used by
a scheduler that would know not to host the service on a transient (cloud: spot priced) node.
> Schedulers could also decide whether or not to allocate multiple long-lived containers
on the same node



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