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https://issues.apache.org/jira/browse/YARN-7140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148859#comment-16148859
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Varun Saxena commented on YARN-7140:
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[~rohithsharma], I referred to
https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/InterfaceClassification.html#Unstable
{panel}
Incompatible changes to Unstable APIs are allowed at any time. *This usually
makes sense for only private interfaces.*
*However one may call this out for a supposedly public interface to highlight
that it should not be used as an interface; for public interfaces, labeling it
as Not-an-interface is probably more appropriate than “Unstable”.*
Examples of publicly visible interfaces that are unstable (i.e.
not-an-interface): GUI, CLIs whose output format will change.
{panel}
As you can see the guideline is to make an interface Unstable typically for
Private interfaces only unless its something like a CLI.
Will we making any changes to CollectorInfo in future?
Frankly CollectorInfo APIs' are not even required to be called by AM. It is
just passed onto TimelineV2ClientImpl.
> CollectorInfo should have Public visibility
> -------------------------------------------
>
> Key: YARN-7140
> URL: https://issues.apache.org/jira/browse/YARN-7140
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Priority: Minor
> Attachments: YARN-7140.01.patch
>
>
> As TimelineV2Client#setCollectorInfo, which needs to be called by AM, it
> requires CollectorInfo to have public visibility
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