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https://issues.apache.org/jira/browse/YARN-11765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Pan resolved YARN-11765.
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Resolution: Won't Do
> Refactor: Move Clock Class from hadoop-mapreduce-project to
> hadoop-common-project for Reusability
> -------------------------------------------------------------------------------------------------
>
> Key: YARN-11765
> URL: https://issues.apache.org/jira/browse/YARN-11765
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: yarn, yarn-common
> Affects Versions: 3.5.0
> Reporter: Jiandan Yang
> Assignee: Jiandan Yang
> Priority: Major
> Labels: pull-request-available
>
> *Background:*
>
> Currently, both hadoop-mapreduce-project and hadoop-yarn-project define their
> own versions of the Clock class. This leads to redundant class definitions
> across different Hadoop subprojects, reducing maintainability and code
> reusability.
>
> To {*}avoid duplicate definitions and improve class reuse{*}, we propose
> *moving the* Clock *class from* hadoop-mapreduce-project *to*
> hadoop-common-project, making it available as a shared utility for all Hadoop
> components.
>
> *Proposal:*
> 1.{*}Move the{*} Clock *interface and its implementions from*
> hadoop-mapreduce-project *to* hadoop-common-project, ensuring it becomes a
> shared utility accessible to all subprojects.
> 2. *Update all references* in hadoop-mapreduce-project and
> hadoop-yarn-project to use the newly relocated Clock class in
> hadoop-common-project.
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