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Posted to hdfs-dev@hadoop.apache.org by "Walter Su (JIRA)" <ji...@apache.org> on 2015/04/22 03:07:59 UTC
[jira] [Resolved] (HDFS-8204) Balancer: 2 replicas ends in same
node after running balance.
[ https://issues.apache.org/jira/browse/HDFS-8204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Walter Su resolved HDFS-8204.
-----------------------------
Resolution: Duplicate
> Balancer: 2 replicas ends in same node after running balance.
> -------------------------------------------------------------
>
> Key: HDFS-8204
> URL: https://issues.apache.org/jira/browse/HDFS-8204
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Reporter: Walter Su
> Assignee: Walter Su
> Attachments: HDFS-8204.001.patch
>
>
> Balancer moves blocks between Datanode(Ver. <2.6 ).
> Balancer moves blocks between StorageGroups ( introduced by HDFS-6584) , in the new version(Ver. >=2.6) .
> function
> {code}
> class DBlock extends Locations<StorageGroup>
> DBlock.isLocatedOn(StorageGroup loc)
> {code}
> is flawed, may causes 2 replicas ends in same node after running balance.
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