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Posted to issues@ozone.apache.org by "Li Cheng (Jira)" <ji...@apache.org> on 2020/01/10 08:02:00 UTC

[jira] [Commented] (HDDS-1564) Ozone multi-raft support

    [ https://issues.apache.org/jira/browse/HDDS-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17012545#comment-17012545 ] 

Li Cheng commented on HDDS-1564:
--------------------------------

All tasks for multi-raft feature are finished. Patch and test brief are uploaded in attachments.

> Ozone multi-raft support
> ------------------------
>
>                 Key: HDDS-1564
>                 URL: https://issues.apache.org/jira/browse/HDDS-1564
>             Project: Hadoop Distributed Data Store
>          Issue Type: New Feature
>          Components: Ozone Datanode, SCM
>            Reporter: Siddharth Wagle
>            Assignee: Li Cheng
>            Priority: Major
>         Attachments: Ozone Multi-Raft Support.pdf, multi-raft.patch, multiraft_performance_brief.pdf
>
>
> Apache Ratis supports multi-raft by allowing the same node to be a part of multiple raft groups. The proposal is to allow datanodes to be a part of multiple raft groups. The attached design doc explains the reasons for doing this as well a few initial design decisions. 
> Some of the work in this feature also related to HDDS-700 which implements rack-aware container placement for closed containers.



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