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https://issues.apache.org/jira/browse/HDFS-6441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-6441:
--------------------------------
Resolution: Fixed
Fix Version/s: 2.6.0
3.0.0
Target Version/s: 2.6.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Merged down to branch-2. I had to merge HDFS-3482 first to resolve the conflict
and test failures. Verified balancer tests pass in branch-2 after the merge.
> Add ability to exclude/include specific datanodes while balancing
> -----------------------------------------------------------------
>
> Key: HDFS-6441
> URL: https://issues.apache.org/jira/browse/HDFS-6441
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer
> Affects Versions: 2.4.0
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Fix For: 3.0.0, 2.6.0
>
> Attachments: HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch,
> HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch,
> HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch,
> HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch
>
>
> In some use cases, it is desirable to ignore a few data nodes while
> balancing. The administrator should be able to specify a list of data nodes
> in a file similar to the hosts file and the balancer should ignore these data
> nodes while balancing so that no blocks are added/removed on these nodes.
> Similarly it will be beneficial to specify that only a particular list of
> datanodes should be considered for balancing.
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