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Date: Fri, 11 Dec 2009 06:30:19 +0000 (UTC)
From: "Hong Tang (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-1222) [Mumak] We should not include
 nodes with numeric ips in cluster topology.
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-1222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hong Tang updated MAPREDUCE-1222:
---------------------------------

    Attachment: mapreduce-1222-20091210.patch

New patch that excludes *well-formatted* ipv4 and ipv6 addresses. For ipv4 addresses, optimally allow each period preceded with double backslashes.

> [Mumak] We should not include nodes with numeric ips in cluster topology.
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1222
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1222
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/mumak
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Hong Tang
>            Assignee: Hong Tang
>             Fix For: 0.21.0, 0.22.0
>
>         Attachments: IPv6-predicate.patch, mapreduce-1222-20091119.patch, mapreduce-1222-20091121.patch, mapreduce-1222-20091210.patch
>
>
> Rumen infers cluster topology by parsing input split locations from job history logs. Due to HDFS-778, a cluster node may appear both as a numeric ip or as a host name in job history logs. We should exclude nodes appeared as numeric ips in cluster toplogy when we run mumak until a solution is found so that numeric ips would never appear in input split locations.

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