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https://issues.apache.org/jira/browse/HDFS-6010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13947857#comment-13947857
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Yu Li commented on HDFS-6010:
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Hi [~szetszwo],
Since hadoop QA test has passed, could you please help review and commit this
patch? This patch introduced a new class NodeStringValidator.java to validate
whether a given string could identify a valid datanode, and HDFS-6011/HDFS-6012
all depend on it. I could upload the patches for the other two JIRAs right
after this JIRA is committed thus finish contributing the whole tool set as
mentioned in HDFS-6009. Thanks!
> Make balancer able to balance data among specified servers
> ----------------------------------------------------------
>
> Key: HDFS-6010
> URL: https://issues.apache.org/jira/browse/HDFS-6010
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer
> Affects Versions: 2.3.0
> Reporter: Yu Li
> Assignee: Yu Li
> Priority: Minor
> Labels: balancer
> Attachments: HDFS-6010-trunk.patch, HDFS-6010-trunk_V2.patch
>
>
> Currently, the balancer tool balances data among all datanodes. However, in
> some particular case, we would need to balance data only among specified
> nodes instead of the whole set.
> In this JIRA, a new "-servers" option would be introduced to implement this.
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