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https://issues.apache.org/jira/browse/HADOOP-8198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242847#comment-13242847
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Sanjay Radia commented on HADOOP-8198:
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Host level bonding would allow a DN or Tasks on a Node to use the aggregate
bandwidth of multiple nics.
> Support multiple network interfaces
> -----------------------------------
>
> Key: HADOOP-8198
> URL: https://issues.apache.org/jira/browse/HADOOP-8198
> Project: Hadoop Common
> Issue Type: New Feature
> Components: io, performance
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: MultipleNifsv1.pdf, MultipleNifsv2.pdf
>
>
> Hadoop does not currently utilize multiple network interfaces, which is a
> common user request, and important in enterprise environments. This jira
> covers a proposal for enhancements to Hadoop so it better utilizes multiple
> network interfaces. The primary motivation being improved performance,
> performance isolation, resource utilization and fault tolerance. The attached
> design doc covers the high-level use cases, requirements, a proposal for
> trunk/0.23, discussion on related features, and a proposal for Hadoop 1.x
> that covers a subset of the functionality of the trunk/0.23 proposal.
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