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Posted to common-dev@hadoop.apache.org by "Vinod K V (JIRA)" <ji...@apache.org> on 2009/05/19 11:05:45 UTC

[jira] Commented: (HADOOP-5871) MiniMRCluster should point TaskTracker's http URL to the loopback address.

    [ https://issues.apache.org/jira/browse/HADOOP-5871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12710674#action_12710674 ] 

Vinod K V commented on HADOOP-5871:
-----------------------------------

The large differences seem to be because of ipv6 enabled on my machine.

> MiniMRCluster should point TaskTracker's http URL to the loopback address.
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-5871
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5871
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Vinod K V
>         Attachments: HADOOP-5871.txt
>
>
> It currently sets mapred.task.tracker.http.address to 0.0.0.0:0 and so every TT startup in MiniMRCluster makes a trip to DNS. Changing it to 127.0.0.1:0 decreases 5 seconds for every TT start-up on my local box.

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