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https://issues.apache.org/jira/browse/HDFS-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-1684:
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Attachment: h1684_20110302.patch
h1684_20110302.patch: updated with the branch.
> Federation: Balancer cannot start with with multiple namenodes.
> ---------------------------------------------------------------
>
> Key: HDFS-1684
> URL: https://issues.apache.org/jira/browse/HDFS-1684
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer
> Affects Versions: Federation Branch
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: 4342723.patch, h1684_20110302.patch
>
>
> The balancer creates the file when it starts; and delete the files when it
> finishes. The default FileSystem is used for all NameNodes. So only the
> first one will succeed creating the
> id file but the following will fail.
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