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https://issues.apache.org/jira/browse/YARN-9075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710319#comment-16710319
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Weiwei Yang commented on YARN-9075:
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Hi [~billie.rinaldi]
I like this idea very much, I'd like to leverage this to start CSI adaptor and
drivers (YARN-8811). That would help to make the deployment much much more
easier. Some comments after reading the design doc
# Does this allow us to set different configs for AUX services on different
nodes?
# What happens if a AUX service fail to reload (during upgrade)? Would that
crash NM process?
# I guess this is not depending on HDFS, any implementation of FileSystem
would work?
# I think it needs to expose some query APIs via NMAdmin to check AUX service
status, general runtime info, e.g resource usage, port listening, version etc.
Does this make sense?
Thanks
> Dynamically add or remove auxiliary services
> --------------------------------------------
>
> Key: YARN-9075
> URL: https://issues.apache.org/jira/browse/YARN-9075
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Priority: Major
> Attachments: YARN-9075_Dynamic_Aux_Services_V1.pdf
>
>
> It would be useful to support adding, removing, or updating auxiliary
> services without requiring a restart of NMs.
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