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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3404) Make putImage in GetImageServlet infer remote address to fetch from request
Date Fri, 11 May 2012 19:30:48 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-3404:
---------------------------------

    Summary: Make putImage in GetImageServlet infer remote address to fetch from request 
(was: Make putImage in GetImageServlet infer remote address to fetch from)

Updating JIRA summary. Somehow I missed a pretty important word. :P
                
> 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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