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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-1808) add ability for AM to attach simple state information to containers
Date Mon, 10 Mar 2014 16:42:43 GMT

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Alejandro Abdelnur edited comment on YARN-1808 at 3/10/14 4:41 PM:
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where this container state be stored? RM or NMs? you would need a DT for the container to
be able to push its state to the 'state store'. also, what is simple for you, a string, a
long? 


was (Author: tucu00):
where this container be stored? RM or NMs? you would need a DT for the container to be able
to push its state to the 'state store'. also, what is simple for you, a string, a long? 

> add ability for AM to attach simple state information to containers
> -------------------------------------------------------------------
>
>                 Key: YARN-1808
>                 URL: https://issues.apache.org/jira/browse/YARN-1808
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.4.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> AM restart could be aided if we could add some state information to the containers themselves.
This allows the AM to rebuild its state by querying all of its containers for their status.
The AM will of course also need to be able to write this.
> This isn't critical: code running in the containers can do the same thing. It just appears
to be a common use case



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