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From "RacingDawn (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12283) CLONE - Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1
Date Thu, 30 Jul 2015 01:54:04 GMT
RacingDawn created HADOOP-12283:

             Summary: CLONE - Backport Network Topology Extension for Virtualization (HADOOP-8468)
to branch-1
                 Key: HADOOP-12283
                 URL: https://issues.apache.org/jira/browse/HADOOP-12283
             Project: Hadoop Common
          Issue Type: Sub-task
    Affects Versions: 1.0.0
            Reporter: RacingDawn
            Assignee: Junping Du
             Fix For: 1.2.0
         Attachments: HADOOP-8817-v2.patch, HADOOP-8817-v3.patch, HADOOP-8817-v4.patch, HADOOP-8817.patch

HADOOP-8468 propose network topology changes for running on virtualized infrastructure, which
1. Add "NodeGroup" layer in new NetworkTopology (also known as NetworkTopologyWithNodeGroup):
HADOOP-8469, HADOOP-8470
2. Update Replica Placement/Removal Policy to reflect new topology layer: HDFS-3498, HDFS-3601
3. Update balancer policy:HDFS-3495
4. Update Task Scheduling Policy to reflect new topology layer and support the case that compute
nodes (NodeManager or TaskTracker) and data nodes are separated into different VMs, but still
benefit from physical host locality: YARN-18, YARN-19.
This JIRA will address the backport work on branch-1 which will be divided into 4 issues/patches
in related jira issues.

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