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https://issues.apache.org/jira/browse/HDFS-12235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160607#comment-16160607
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Anu Engineer commented on HDFS-12235:
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+1, for v11. Thanks for getting this done. Please go ahead and commit. 2 Minor
comments:
1. The blockManagerImpl code with change a bit with the Ratis pipeline work, so
I will rebase my work over this patch once this is committed.
2. BlockManagerImpl.java, deleteBlocks -- is there a reason why we removed the
chill mode check? It is not important, but just wondering if we need that at
all?
> 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
> Labels: ozoneMerge
> Attachments: HDFS-12235-HDFS-7240.001.patch,
> HDFS-12235-HDFS-7240.002.patch, HDFS-12235-HDFS-7240.003.patch,
> HDFS-12235-HDFS-7240.004.patch, HDFS-12235-HDFS-7240.005.patch,
> HDFS-12235-HDFS-7240.006.patch, HDFS-12235-HDFS-7240.007.patch,
> HDFS-12235-HDFS-7240.008.patch, HDFS-12235-HDFS-7240.009.patch,
> HDFS-12235-HDFS-7240.010.patch, HDFS-12235-HDFS-7240.011.patch
>
>
> 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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