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https://issues.apache.org/jira/browse/HDFS-14600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16888405#comment-16888405
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Fengnan Li commented on HDFS-14600:
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[~kkori] Sorry for coming late and thanks for the reply, do you know from the
DataNode log which namenode (URL or host) does it send block to? Also, does the
problem only happen after a failover?
> DataNodes using DNS NameNode discovery will not send block reports when
> failover
> --------------------------------------------------------------------------------
>
> Key: HDFS-14600
> URL: https://issues.apache.org/jira/browse/HDFS-14600
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kei Kori
> Assignee: Fengnan Li
> Priority: Major
>
> While DataNodes are using DNS to resolve its NameNodes, DataNodes seem not
> recognize NameNode failover and not send block reports.
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