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https://issues.apache.org/jira/browse/HADOOP-937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang reassigned HADOOP-937:
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Assignee: Hairong Kuang
> data node re-registration
> -------------------------
>
> Key: HADOOP-937
> URL: https://issues.apache.org/jira/browse/HADOOP-937
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.10.1
> Reporter: Hairong Kuang
> Assigned To: Hairong Kuang
> Fix For: 0.11.0
>
>
> A name node should ask a data node to re-register when
> 1) the name node restarts; or
> 2) the name node receives a heartbeat from an unregistered data node; or
> 3) the name node recieves a heartbeat from a data node whose heart beat is
> lost.
> In response to the re-registration request, the data node sends a register
> request followed by a block report.
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