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https://issues.apache.org/jira/browse/HDFS-15032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Krogen updated HDFS-15032:
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Attachment: debugger_with_tostring.png
> Balancer crashes when it fails to contact an unavailable NN via
> ObserverReadProxyProvider
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-15032
> URL: https://issues.apache.org/jira/browse/HDFS-15032
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 2.10.0
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Major
> Attachments: HDFS-15032.000.patch, HDFS-15032.001.patch,
> HDFS-15032.002.patch, HDFS-15032.003.patch, debugger_with_tostring.png,
> debugger_without_tostring.png
>
>
> When trying to run the Balancer using ObserverReadProxyProvider (to allow it
> to read from the Observer Node as described in HDFS-14979), if one of the NNs
> isn't running, the Balancer will crash.
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