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https://issues.apache.org/jira/browse/HDDS-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16842560#comment-16842560
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Siddharth Wagle commented on HDDS-700:
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[~Sammi] If the topology is modeled as "*/d1/r1/ng/n*", will the cross rack
logic still work for replcas 3 and above? The current logic will choose the
second replica on the same NG but will the thrid replica correctly land on a
separate rack and not just NG?
> Support rack awared node placement policy based on network topology
> -------------------------------------------------------------------
>
> Key: HDDS-700
> URL: https://issues.apache.org/jira/browse/HDDS-700
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Xiaoyu Yao
> Assignee: Sammi Chen
> Priority: Major
> Attachments: HDDS-700.01.patch
>
>
> Implement a new container placement policy implementation based datanode's
> network topology. It follows the same rule as HDFS.
> By default with 3 replica, two replica will be on the same rack, the third
> replica and all the remaining replicas will be on different racks.
>
> {color:#808080} {color}
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