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https://issues.apache.org/jira/browse/YARN-5221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun Suresh updated YARN-5221:
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Attachment: YARN-5221.005.patch
Uploading patch addressing [~leftnoteasy]'s review comments.
Please note a couple of changes:
# The container version is now plumbed all the way to the NMStateStore and
NMConatinerStatus. This is needed for when RM failover happens, it needs to get
the current version of the container as well.
# The current behavior is (I have documented this in UpdateContainerRequest
class):
## *Currently* only either Resource or ExecutionType update can be requested in
1 update request.
## The AM has to wait for an earlier update container request to be satisfied
by the RM before it can ask for another update. Essentially, updates have to be
serializable.
# If the Update container request is not satisfiable (due to incorrect
container version / or if there is already an outstanding update), it will be
notified as an {{UpdateContainerError}} to the AM in the AllocateResponse. It
will contain the original {{UpdateContainerRequest}} and the reason why it was
not accepted.
> Expose UpdateResourceRequest API to allow AM to request for change in
> container properties
> ------------------------------------------------------------------------------------------
>
> Key: YARN-5221
> URL: https://issues.apache.org/jira/browse/YARN-5221
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: YARN-5221.001.patch, YARN-5221.002.patch,
> YARN-5221.003.patch, YARN-5221.004.patch, YARN-5221.005.patch
>
>
> YARN-1197 introduced APIs to allow an AM to request for Increase and Decrease
> of Container Resources after initial allocation.
> YARN-5085 proposes to allow an AM to request for a change of Container
> ExecutionType.
> This JIRA proposes to unify both of the above into an Update Container API.
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