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https://issues.apache.org/jira/browse/HDFS-12252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anu Engineer resolved HDFS-12252.
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Resolution: Duplicate
> Ozone: SCM: Container State Machine -1- Track container creation state in SCM
> -----------------------------------------------------------------------------
>
> Key: HDFS-12252
> URL: https://issues.apache.org/jira/browse/HDFS-12252
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Labels: ozoneMerge
>
> Currently, SCM only persist the pipeline info of a container in container.db
> upon allocation. This provides better scalability which offloads the query of
> container info to datanodes.
> However, this is not enough enough information for SCM to provide shared
> container service as other clients may not know the container creation state
> on datanodes by the creator of the container.
> This is the first patch that introduces container states on SCM and ACK
> message from creator of the container to update/persist the container state
> on SCM container store.
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