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https://issues.apache.org/jira/browse/HDDS-1569?focusedWorklogId=327632&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-327632
]
ASF GitHub Bot logged work on HDDS-1569:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Oct/19 06:57
Start Date: 14/Oct/19 06:57
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-541523872
> Thank you very much to open this pull request.
>
> During the weekend the Ozone source code has been moved out from
[apache/hadoop](https://github.com/apache/hadoop) repository to
[apache/hadoop-ozone](https://github.com/apache/hadoop-ozone) repository.
>
> This git commits are rewritten, but the branch of this pull request is
also transformed (state of Saturday morning), you can use the new, migrated
branch to recreate this pull request.
>
> Your pull request is important for us: **Can you please re-create your
pull request in the new repository?**
>
> **1**. Create a new fork of https://github.com/apache/hadoop-ozone
>
> **2**. Clone it and have both your fork and the apache repo as remotes:
>
> ```
> git clone g...@github.com:timmylicheng/hadoop-ozone.git
> cd hadoop-ozone
> git remote add apache g...@github.com:apache/hadoop-ozone.git
> git fetch apache
> ```
>
> **3**. Fetch your migrated branch and push it to your fork.
>
> ```
> git checkout -b HDDS-1569 apache/HDDS-1569
> git push origin HDDS-1569
> ```
>
> **4**. And create the new pull request on the new repository.
>
>
https://github.com/apache/hadoop-ozone/compare/master...timmylicheng:HDDS-1569?expand=1
>
> If you need more information, please check
[this](https://cwiki.apache.org/confluence/display/HADOOP/Hadoop+Ozone+source+tree+split)
wiki page or contact with me (my github user name + apache.org).
>
> Thank you, and sorry for the inconvenience.
Ok I will send out a new PR. How to do mvn build under new repo now? I was
not able to do it under hadoop-ozone directory.
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Issue Time Tracking
-------------------
Worklog Id: (was: 327632)
Time Spent: 7h 10m (was: 7h)
> 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: 7h 10m
> 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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