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https://issues.apache.org/jira/browse/HDFS-6727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-6727:
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Attachment: HDFS-6727.006.patch
[~atm] Thank you so much for the review. I've changed the patch according to
your comments.
bq. Is the change to FsDatasetImpl#invalidate to add the call to
notifyNamenodeDeletedBlock a separate bug? Or how is it related to this change?
I'm surprised that needed to be done.
It is used for test case
{{TestDataNodeHotSwapVolumes#testReplicatingAfterRemoveVolume}} and this
{{invalidate()}} is only called from {{DataNode#refreshVolumes()}}.
> Refresh data volumes on DataNode based on configuration changes
> ---------------------------------------------------------------
>
> Key: HDFS-6727
> URL: https://issues.apache.org/jira/browse/HDFS-6727
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.5.0, 2.4.1
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Labels: datanode
> Attachments: HDFS-6727.000.delta-HDFS-6775.txt, HDFS-6727.001.patch,
> HDFS-6727.002.patch, HDFS-6727.003.patch, HDFS-6727.004.patch,
> HDFS-6727.005.patch, HDFS-6727.006.patch, HDFS-6727.combo.patch
>
>
> HDFS-1362 requires DataNode to reload configuration file during the runtime,
> so that DN can change the data volumes dynamically. This JIRA reuses the
> reconfiguration framework introduced by HADOOP-7001 to enable DN to
> reconfigure at runtime.
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