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Posted to hdfs-issues@hadoop.apache.org by "Li Cheng (Jira)" <ji...@apache.org> on 2019/10/17 09:46:00 UTC
[jira] [Commented] (HDDS-1569) Add ability to SCM for creating
multiple pipelines with same datanode
[ https://issues.apache.org/jira/browse/HDDS-1569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953570#comment-16953570 ]
Li Cheng commented on HDDS-1569:
--------------------------------
PR [https://github.com/apache/hadoop-ozone/pull/28] is under review.
> 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: 8h 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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