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https://issues.apache.org/jira/browse/HADOOP-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom White updated HADOOP-3625:
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Attachment: hadoop-3625.patch
Here's a first cut at this feature. I'm still testing it but would be grateful
for any feedback.
> Add an ip address mask to rack name java plugin
> -----------------------------------------------
>
> Key: HADOOP-3625
> URL: https://issues.apache.org/jira/browse/HADOOP-3625
> Project: Hadoop Core
> Issue Type: Improvement
> Components: util
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: hadoop-3625.patch
>
>
> We should have a plugin that implements DNSToSwitchMapping with a
> configurable netmask that defines the rack. Therefore, if you use the high 26
> bits to determine your switch, you could configure it with "ff.ff.ff.c0"
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