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https://issues.apache.org/jira/browse/HDFS-13783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16896623#comment-16896623
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Hudson commented on HDFS-13783:
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FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #17010 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17010/])
HDFS-13783. Add an option to the Balancer to make it run as a (xkrogen: rev
1f26cc8705b5af12eefedda019e7ab5c261d9bfb)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/BalancerParameters.java
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancerService.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
> Balancer: make balancer to be a long service process for easy to monitor it.
> ----------------------------------------------------------------------------
>
> Key: HDFS-13783
> URL: https://issues.apache.org/jira/browse/HDFS-13783
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: balancer & mover
> Reporter: maobaolong
> Assignee: Chen Zhang
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-13783-001.patch, HDFS-13783-002.patch,
> HDFS-13783.003.patch, HDFS-13783.004.patch, HDFS-13783.005.patch,
> HDFS-13783.006.patch
>
>
> If we have a long service process of balancer, like namenode, datanode, we
> can get metrics of balancer, the metrics can tell us the status of balancer,
> the amount of block it has moved,
> We can get or set the balance plan by the balancer webUI. So many things we
> can do if we have a long balancer service process.
> So, shall we start to plan the new Balancer? Hope this feature can enter the
> next release of hadoop.
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