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https://issues.apache.org/jira/browse/YARN-8298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573712#comment-16573712
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Chandni Singh edited comment on YARN-8298 at 8/8/18 7:01 PM:
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[~eyang] Thanks for working on this.
Why does {{ServiceState.UPGRADING_AUTO_FINALIZE}} trigger express upgrade?
Please refer to the design document in YARN-7512.
{{ServiceState.UPGRADING_AUTO_FINALIZE}} is to trigger automatic finalization
of service upgrade. It isn't for express upgrade of the service.
It will be useful to not club ServiceState.UPGRADING_AUTO_FINALIZE with express
upgrade. They have different meanings. A user may want auto-finalization
without express upgrade. There isn't any complexity in supporting this
technically as will
If you require a flag to trigger express upgrade, why not add a query param to
update service endpoint?
If the ServiceState = {{ServiceState.UPGRADING}} or
{{ServiceState.UPGRADING_AUTO_FINALIZE}} and
the query param expressUpgrade = true, then perform express upgrade.
was (Author: csingh):
[~eyang]
Why does {{ServiceState.UPGRADING_AUTO_FINALIZE}} trigger express upgrade?
Please refer to the design document in YARN-7512.
{{ServiceState.UPGRADING_AUTO_FINALIZE}} is to trigger automatic finalization
of service upgrade. It isn't for express upgrade of the service.
It will be useful to not club ServiceState.UPGRADING_AUTO_FINALIZE with express
upgrade. They have different meanings. A user may want auto-finalization
without express upgrade. There isn't any complexity in supporting this
technically as will
If you require a flag to trigger express upgrade, why not add a query param to
update service endpoint?
If the ServiceState = {{ServiceState.UPGRADING}} or
{{ServiceState.UPGRADING_AUTO_FINALIZE}} and
the query param expressUpgrade = true, then perform express upgrade.
> Yarn Service Upgrade: Support express upgrade of a service
> ----------------------------------------------------------
>
> Key: YARN-8298
> URL: https://issues.apache.org/jira/browse/YARN-8298
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 3.1.1
> Reporter: Chandni Singh
> Assignee: Eric Yang
> Priority: Major
> Attachments: YARN-8298.001.patch, YARN-8298.002.patch
>
>
> Currently service upgrade involves 2 steps
> * initiate upgrade by providing new spec
> * trigger upgrade of each instance/component
>
> We need to add the ability to upgrade a component in shot which accepts the
> spec of the component. However there are couple of limitations when upgrading
> in this way:
> # Aborting the upgrade will not be supported
> # Upgrade finalization will be done automatically.
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