[jira] [Commented] (RATIS-924) rename raft group dir on disk when remove group is invoked

["Shashikant Banerjee (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/RATIS-924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17100792#comment-17100792 ] 

Shashikant Banerjee commented on RATIS-924:
-------------------------------------------

Currently, even if a raft group is removed, the raft log directory is not cleaned up. As a result, when datanode restarts it still reinitializes the raft group as it finds the raft group dir intact. I think we should do the following:

1) Add an config to selectively delete/retain the raft group dir on group remove

2) If the deleteDirectory config is set to false, it should rename the dir so that the next restart, reinitialisation doesn't happen

> rename raft group dir on disk when remove group is invoked
> ----------------------------------------------------------
>
>                 Key: RATIS-924
>                 URL: https://issues.apache.org/jira/browse/RATIS-924
>             Project: Ratis
>          Issue Type: Bug
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>         Attachments: screenshot-1.png
>
>
>  !screenshot-1.png! 



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