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https://issues.apache.org/jira/browse/HDFS-7278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14192134#comment-14192134
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Colin Patrick McCabe commented on HDFS-7278:
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Hi [~dlmarion],
The {{\-triggerBlockReport}} command simply triggers a block report for a
single datanode. It doesn't honor any delays or settings.
> Add a command that allows sysadmins to manually trigger full block reports
> from a DN
> ------------------------------------------------------------------------------------
>
> Key: HDFS-7278
> URL: https://issues.apache.org/jira/browse/HDFS-7278
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.6.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 2.7.0
>
> Attachments: HDFS-7278.002.patch, HDFS-7278.003.patch,
> HDFS-7278.004.patch, HDFS-7278.005.patch
>
>
> We should add a command that allows sysadmins to manually trigger full block
> reports from a DN.
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