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https://issues.apache.org/jira/browse/HADOOP-1085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484213
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Hadoop QA commented on HADOOP-1085:
-----------------------------------
Integrated in Hadoop-Nightly #37 (See
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/37/)
> Remove 'port rolling' from Mini{DFS|MR}Cluster
> ----------------------------------------------
>
> Key: HADOOP-1085
> URL: https://issues.apache.org/jira/browse/HADOOP-1085
> Project: Hadoop
> Issue Type: Bug
> Components: test
> Affects Versions: 0.12.0
> Reporter: Arun C Murthy
> Assigned To: Arun C Murthy
> Fix For: 0.13.0
>
> Attachments: HADOOP-1085_20070311_1.patch,
> HADOOP-1085_20070326_2.patch
>
>
> The rolling of ports in these 2 clusters lead to a lot of timing issues and
> failed test cases; as witnessed in our patch process.
> The way around is to let the OS pick the port for the NameNode/JobTracker and
> let the the DataNode/TaskTracker query them for the port to connect to and
> then use that port.
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