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https://issues.apache.org/jira/browse/RATIS-2037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822698#comment-17822698
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Tsz-wo Sze commented on RATIS-2037:
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[~tanxinyu], Would it work if we use setConfiguration? For example, the ip and
port of peer A is changed, then use a new peer id A' and run setConf \{A,B,C}
-> \{A',B,C}.
> Ratis supports modifying IP and Port
> ------------------------------------
>
> Key: RATIS-2037
> URL: https://issues.apache.org/jira/browse/RATIS-2037
> Project: Ratis
> Issue Type: Improvement
> Reporter: Xinyu Tan
> Priority: Major
>
> Currently, in some scenarios, the IP and Port of IoTDB users may change, thus
> there is a need to update the IP and Port. However, we've found that Ratis
> does not seem to support updating IP and Port, and we want to create an issue
> to consider the feasibility of this problem.
> Being able to update dynamically would be best, but updating IP and Port
> seems to also require a restart, and reaching consensus on all nodes in a
> cluster is technically challenging. Therefore, another feasible approach is
> to provide a tool that can support scanning Snapshot and RaftLog when a node
> is shut down, and then modify the related Peer's IP and Port in the current
> node data file. This is equivalent to modifying through offline operations,
> ensuring that manual modifications are made only when all cluster nodes are
> offline, which can avoid many complexities of dynamic changes.
> What's your opinion? [~szetszwo]
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