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https://issues.apache.org/jira/browse/RATIS-306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16641845#comment-16641845
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Tsz Wo Nicholas Sze commented on RATIS-306:
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+1 the 005 patch looks good.

> Support multiple storage directories
> ------------------------------------
>
>                 Key: RATIS-306
>                 URL: https://issues.apache.org/jira/browse/RATIS-306
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: server
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Nanda kumar
>            Priority: Major
>              Labels: ozone
>             Fix For: 0.3.0
>
>         Attachments: RATIS-306.005.patch
>
>
> In the multiple raft group use case, multiple raft logs will be written at 
> the same time.  If there are multiple disk devices available in the server, 
> it is better to have multiple storage directories configured in different 
> disk devices for a better performance.
> We may change the server conf {{raft.server.storage.dir}} to take a list of 
> directories so that the server could assign them to individual group.



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