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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1569) Add ability to SCM for creating multiple pipelines with same datanode
Date Thu, 19 Sep 2019 10:51:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1569?focusedWorklogId=314964&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-314964
]

ASF GitHub Bot logged work on HDDS-1569:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Sep/19 10:50
            Start Date: 19/Sep/19 10:50
    Worklog Time Spent: 10m 
      Work Description: timmylicheng commented on issue #1431: HDDS-1569 Support creating
multiple pipelines with same datanode
URL: https://github.com/apache/hadoop/pull/1431#issuecomment-533075841
 
 
   /retest
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 314964)
    Time Spent: 40m  (was: 0.5h)

> Add ability to SCM for creating multiple pipelines with same datanode
> ---------------------------------------------------------------------
>
>                 Key: HDDS-1569
>                 URL: https://issues.apache.org/jira/browse/HDDS-1569
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: SCM
>            Reporter: Siddharth Wagle
>            Assignee: Li Cheng
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> - Refactor _RatisPipelineProvider.create()_ to be able to create pipelines with datanodes
that are not a part of sufficient pipelines
> - Define soft and hard upper bounds for pipeline membership
> - Create SCMAllocationManager that can be leveraged to get a candidate set of datanodes
based on placement policies
> - Add the datanodes to internal datastructures



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