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https://issues.apache.org/jira/browse/HDFS-9330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118412#comment-15118412
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Arpit Agarwal edited comment on HDFS-9330 at 1/27/16 1:23 AM:
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There is probably one more bug. The behavior of {{ReconfigurableBase}} is not
consistent when calling {{reconfigurePropertyImpl}}.
{{ReconfigurationThread#run}} does not update the value in the cached
configuration object whereas {{ReconfigurableBase#reconfigureProperty}} does.
The contract of {{reconfigurePropertyImpl}} does not specify who is supposed to
update it.
You may want to hold off posting an updated patch for this and related Jiras
until we get this part answered.
Posted a question on HDFS-6808.
was (Author: arpitagarwal):
There is probably one more bug. The behavior of {{ReconfigurableBase}} is not
consistent when calling {{reconfigurePropertyImpl}}.
{{ReconfigurationThread#run}} does not update the value in the cached
configuration object whereas {{ReconfigurableBase#reconfigureProperty}} does.
The contract of {{reconfigurePropertyImpl}} does not specify who is supposed to
update it.
You may want to hold off posting an updated patch for this and related Jiras
until we get this part answered.
> Support reconfiguring dfs.datanode.duplicate.replica.deletion without DN
> restart
> ---------------------------------------------------------------------------------
>
> Key: HDFS-9330
> URL: https://issues.apache.org/jira/browse/HDFS-9330
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-9330-HDFS-9000.002.patch,
> HDFS-9330-HDFS-9000.003.patch, HDFS-9330.001.patch
>
>
> This is to reconfigure
> {code}
> dfs.datanode.duplicate.replica.deletion
> {code}
> without restarting DN.
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