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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8890) Allow admin to specify which blockpools the balancer should run on
Date Thu, 03 Sep 2015 02:09:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14728392#comment-14728392
] 

Hudson commented on HDFS-8890:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #327 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/327/])
HDFS-8890. Allow admin to specify which blockpools the balancer should run on. (Chris Trezzo
via mingma) (mingma: rev d31a41c35927f02f2fb40d19380b5df4bb2b6d57)
* hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancerWithMultipleNameNodes.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Allow admin to specify which blockpools the balancer should run on
> ------------------------------------------------------------------
>
>                 Key: HDFS-8890
>                 URL: https://issues.apache.org/jira/browse/HDFS-8890
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>            Reporter: Chris Trezzo
>            Assignee: Chris Trezzo
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8890-trunk-v1.patch, HDFS-8890-trunk-v2.patch, HDFS-8890-trunk-v3.patch,
HDFS-8890-trunk-v4.patch
>
>
> Currently the balancer runs on all blockpools. Allow an admin to run the balancer on
a set of blockpools. This will enable the balancer to skip blockpools that should not be balanced.
For example, a tmp blockpool that has a large amount of churn.
> An example of the command line interface would be an additional flag that specifies the
blockpools by id:
> -blockpools BP-6299761-10.55.116.188-1415904647555,BP-47348528-10.51.120.139-1415904199257



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