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https://issues.apache.org/jira/browse/HDFS-3404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273818#comment-13273818
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Eli Collins commented on HDFS-3404:
-----------------------------------
+1 looks great
> Make putImage in GetImageServlet infer remote address to fetch from request
> ---------------------------------------------------------------------------
>
> Key: HDFS-3404
> URL: https://issues.apache.org/jira/browse/HDFS-3404
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.0.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Attachments: HDFS-3404.patch, HDFS-3404.patch
>
>
> As it stands, daemons which perform checkpointing must determine their own
> address on which they can be reached, so that the NN which they checkpoint
> against knows what address to fetch a merged fsimage from. This causes
> problems if, for example, the daemon performing checkpointing binds to
> 0.0.0.0, and thus can't be sure of what address the NN can reach it at.
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