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https://issues.apache.org/jira/browse/HADOOP-3620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HADOOP-3620:
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Resolution: Fixed
Release Note: This patch makes the namenode to synchronously resolve a
datanode's network location when the datanode registers. In addition, it allows
and recommends an include host file to contain IP addresses.
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
> Namenode should synchronously resolve a datanode's network location when the
> datanode registers
> -----------------------------------------------------------------------------------------------
>
> Key: HADOOP-3620
> URL: https://issues.apache.org/jira/browse/HADOOP-3620
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.18.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.19.0
>
> Attachments: netResolution.patch, netResolution1.patch,
> netResolution2.patch, netResolution3.patch, netResolution4.patch,
> netResolution5.patch, netResolution6.patch
>
>
> Release 0.18.0 removes the rpc timeout. So the namenode is ok to resolve a
> datanode's network location when the datanode registers. This could remove
> quite a lot of unnecessary code in both datanode and namenode to handle
> asynchronous network location resolution and avoid many potential bugs.
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