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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8817) Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1
Date Tue, 13 Nov 2012 02:29:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495869#comment-13495869

Junping Du commented on HADOOP-8817:

I meet some issues in running ant test on local environment that even branch-1 without patch
cannot pass all tests. I run related unit tests which is good and did lots of tests on real
cluster for this patch (reliability and performance) which you can find in attachment in HADOOP-8848.
Anyone can help to verify this patch to pass "ant test"?
> Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1
> --------------------------------------------------------------------------------
>                 Key: HADOOP-8817
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8817
>             Project: Hadoop Common
>          Issue Type: Sub-task
>    Affects Versions: 1.0.0
>            Reporter: Junping Du
>            Assignee: Junping Du
>              Labels: features
>         Attachments: HADOOP-8817.patch, HADOOP-8817-v2.patch, HADOOP-8817-v3.patch
> HADOOP-8468 propose network topology changes for running on virtualized infrastructure,
which includes:
> 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,
> 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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