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https://issues.apache.org/jira/browse/HDFS-15294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinglun updated HDFS-15294:
---------------------------
Description:
This jira introduces a new balance command 'fedbalance' that is ran by the
administrator. The process is:
1. Use distcp and snapshot diff to sync data between src and dst until they
are the same.
2. Update mount table in Router.
3. Delete the src to trash.
The patch is too big to review, so I split it into 2 patches.
HDFS-15340
was:
This jira introduces a new balance command 'fedbalance' that is ran by the
administrator. The process is:
1. Use distcp and snapshot diff to sync data between src and dst until they are
the same.
2. Update mount table in Router.
3. Delete the src to trash.
> RBF: Balance data across federation namespaces with DistCp and snapshot diff
> ----------------------------------------------------------------------------
>
> Key: HDFS-15294
> URL: https://issues.apache.org/jira/browse/HDFS-15294
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Attachments: BalanceProcedureScheduler.png, HDFS-15294.001.patch,
> HDFS-15294.002.patch, HDFS-15294.003.patch, HDFS-15294.003.reupload.patch,
> HDFS-15294.004.patch, HDFS-15294.005.patch, HDFS-15294.006.patch,
> HDFS-15294.007.patch, distcp-balance.pdf
>
>
> This jira introduces a new balance command 'fedbalance' that is ran by the
> administrator. The process is:
> 1. Use distcp and snapshot diff to sync data between src and dst until they
> are the same.
> 2. Update mount table in Router.
> 3. Delete the src to trash.
>
> The patch is too big to review, so I split it into 2 patches.
>
> HDFS-15340
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