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https://issues.apache.org/jira/browse/YARN-6533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16003496#comment-16003496
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Jian He commented on YARN-6533:
-------------------------------
Actually, there's an issue, previously, componentInstanceStarted is called in
registerComponent which will put some initial ATS data, then
componentInstanceUpdated will be called. Now only componentInstanceUpdated will
be called,
some ATS data will be missing because of this. we need to merge
componentInstanceStarted into componentInstanceUpdated
> Race condition in writing service record to registry in yarn native services
> ----------------------------------------------------------------------------
>
> Key: YARN-6533
> URL: https://issues.apache.org/jira/browse/YARN-6533
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Attachments: YARN-6533-yarn-native-services.001.patch
>
>
> The ServiceRecord is written twice, once when the container is initially
> registered and again in the Docker provider once the IP has been obtained for
> the container. These occur asynchronously, so the more important record (the
> one with the IP) can be overwritten by the initial record. Only one record
> needs to be written, so we can stop writing the initial record when the
> Docker provider is being used.
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