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https://issues.apache.org/jira/browse/HDFS-8818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16096327#comment-16096327
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Hudson commented on HDFS-8818:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12043 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12043/])
HDFS-11742. Improve balancer usability after HDFS-8818. Contributed by (kihwal:
rev 8e3a992eccff26a7344c3f0e719898fa97706b8c)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java
> Allow Balancer to run faster
> ----------------------------
>
> Key: HDFS-8818
> URL: https://issues.apache.org/jira/browse/HDFS-8818
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer & mover
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Fix For: 2.8.0, 2.7.4, 3.0.0-alpha1
>
> Attachments: bal1.png, bal2.png, h8818_20150723.patch,
> h8818_20150727.patch, HDFS-8818-branch-2.7.00.patch
>
>
> The original design of Balancer is intentionally to make it run slowly so
> that the balancing activities won't affect the normal cluster activities and
> the running jobs.
> There are new use case that cluster admin may choose to balance the cluster
> when the cluster load is low, or in a maintain window. So that we should
> have an option to allow Balancer to run faster.
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