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https://issues.apache.org/jira/browse/HDDS-3190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17176716#comment-17176716
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Li Cheng commented on HDDS-3190:
--------------------------------

[~amaliujia] Hey Rui,

Welcome to join ozone community! Let's find some time to have a sync-up 
offline. I shall introduce the vision as well as the design of SCM HA :)

> SCM needs to replay RaftLog for recovery
> ----------------------------------------
>
>                 Key: HDDS-3190
>                 URL: https://issues.apache.org/jira/browse/HDDS-3190
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: SCM
>            Reporter: Li Cheng
>            Assignee: Rui Wang
>            Priority: Major
>
> Need to add a big Proto file for all types of requests to store in RaftLog. 
> SCM needs to replay RaftLog for recovery.
> Note that Proto may have further changes. Until all data structures are 
> finished, need to leave some room for compatibility. 



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