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https://issues.apache.org/jira/browse/HDFS-12235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weiwei Yang updated HDFS-12235:
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Description: KSM and SCM interaction for delete key operation, both KSM and
SCM stores key state info in a backlog, KSM needs to scan this log and send
block-deletion command to SCM, once SCM is fully aware of the message, KSM
removes the key completely from namespace. See more from the design doc under
HDFS-11922, this is task break down 2. (was: KSM and SCM interaction for
delete key operation, both KSM and SCM stores key state info in a backlog, KSM
needs to scan this log and send block-deletion command to SCM, once SCM is
fully aware of the message, KSM removes the key completely from namespace.)
> Ozone: DeleteKey-3: KSM SCM block deletion message and ACK interactions
> -----------------------------------------------------------------------
>
> Key: HDFS-12235
> URL: https://issues.apache.org/jira/browse/HDFS-12235
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
>
> KSM and SCM interaction for delete key operation, both KSM and SCM stores key
> state info in a backlog, KSM needs to scan this log and send block-deletion
> command to SCM, once SCM is fully aware of the message, KSM removes the key
> completely from namespace. See more from the design doc under HDFS-11922,
> this is task break down 2.
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