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https://issues.apache.org/jira/browse/HDFS-13749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598003#comment-16598003
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Konstantin Shvachko commented on HDFS-13749:
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Hey [~csun], this should probably go on top of Erik's changes in HDFS-13779. I
believe with that you will need only to change the implementation of
{{getServiceState()}}. Team work :-)
> Use getServiceStatus to discover observer namenodes
> ---------------------------------------------------
>
> Key: HDFS-13749
> URL: https://issues.apache.org/jira/browse/HDFS-13749
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
> Attachments: HDFS-13749-HDFS-12943.000.patch
>
>
> In HDFS-12976 currently we discover NameNode state by calling
> {{reportBadBlocks}} as a temporary solution. Here, we'll properly implement
> this by using {{HAServiceProtocol#getServiceStatus}}.
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