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https://issues.apache.org/jira/browse/HADOOP-5103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666233#action_12666233
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Hairong Kuang commented on HADOOP-5103:
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I hope that the problem could be fixed in JobClient not by changing the logging
level proposed above because the "adding..." logging messages in NameNode log
have been very useful for us to identify the topology of datanodes.
> Too many logs saying "Adding new node" on JobClient console
> -----------------------------------------------------------
>
> Key: HADOOP-5103
> URL: https://issues.apache.org/jira/browse/HADOOP-5103
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Amareshwari Sriramadasu
> Fix For: 0.20.0
>
>
> JobClient's console has logs saying "Adding a new node
> <rackname>/<node-ip-addr>:<port>" for all the hosts, where each split resides.
> For jobs with more #maps, these logs just fill up client's space.
> This is introduced by HADOOP-3293
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