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https://issues.apache.org/jira/browse/HDDS-1021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16759148#comment-16759148
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Hudson commented on HDDS-1021:
------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #15871 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/15871/])
HDDS-1021. Allow ozone datanode to participate in a 1 node as well as 3 
(msingh: rev b6f90d3957bf229a670842689e7c8b70a8facb87)
* (add) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestHybridPipelineOnDatanode.java
* (edit) 
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/RatisPipelineProvider.java


> Allow ozone datanode to participate in a 1 node as well as 3 node Ratis 
> Pipeline
> --------------------------------------------------------------------------------
>
>                 Key: HDDS-1021
>                 URL: https://issues.apache.org/jira/browse/HDDS-1021
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Datanode, SCM
>    Affects Versions: 0.4.0
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Major
>             Fix For: 0.4.0
>
>         Attachments: HDDS-1021.000.patch, HDDS-1021.001.patch
>
>
> Currently, if a datanode is a part of 3 node Ratis pipeline, it cannot 
> participate in a single node Ratis pipeline. This Jira aims to enable 
> datanodes to become part of a a 3 node Ratis pipeline as well as single node 
> Ratis pipeline. This is the first step in introducing multiRaft in Ozone.



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