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https://issues.apache.org/jira/browse/FLINK-28831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-28831:
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Labels: pull-request-available stale-assigned (was: pull-request-available)
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> [3] Support pluginable decorators mechanism
> -------------------------------------------
>
> Key: FLINK-28831
> URL: https://issues.apache.org/jira/browse/FLINK-28831
> Project: Flink
> Issue Type: Sub-task
> Components: Deployment / Kubernetes
> Reporter: bo zhao
> Assignee: bo zhao
> Priority: Major
> Labels: pull-request-available, stale-assigned
>
> Introduce a pluginable decorators mechanism into Flink JobManager and
> TaskManager. Currently, all decorators are hard-coded in the JobManager
> deployment and TaskManager pod K8S creation.
>
> We propose using SPI or Flink plugins mechanism to load the external
> decorators. In this way, we can make Flink more flexible towards supporting
> the decorators of customized K8S schedulers.
> We propose a new plugin mechanism for supporting load the jar package of a
> single customized scheduler. The driver jar package should contain the
> specific K8sStepDecorator and its dependencies. Taking an example, the jar
> package should be packaged into the ‘opt’ directory, and contains 2 major
> things:
> # A K8sStepDecorator implemented by Customized K8S SchedulerA.
> # The all dependencies from the introduced K8sStepDecorator.
> when users want to use the customized scheduler A, he/she need to create a
> new directory which named as the customized scheduler’s name A, then copy &
> paste the said jar into the new directory, that could be loaded when user
> specific the related Flink K8S configuration options and enable the
> functionality in Flink.
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