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https://issues.apache.org/jira/browse/YARN-8761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16765349#comment-16765349
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Sam Hjelmfelt commented on YARN-8761:
-------------------------------------
In case anyone else is interested, here is the REST API to decommission a
component instance (aka container):
{code:java}
PUT /app/v1/services/{service_name}
{
"components" :
[
{
"name": "{component_name}",
"decommissioned_instances": ["{component_instance_name}"]
}
]
}{code}
> Service AM support for decommissioning component instances
> ----------------------------------------------------------
>
> Key: YARN-8761
> URL: https://issues.apache.org/jira/browse/YARN-8761
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Priority: Major
> Fix For: 3.3.0, 3.2.1, 3.1.3
>
> Attachments: YARN-8761-branch-3.1.01.patch, YARN-8761.01.patch,
> YARN-8761.02.patch, YARN-8761.03.patch, YARN-8761.04.patch, YARN-8761.05.patch
>
>
> The idea behind this feature is to have a flex down where specific component
> instances are removed. Currently on a flex down, the service AM chooses for
> removal the component instances with the highest IDs.
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