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Posted to issues@ignite.apache.org by "Roman Puchkovskiy (Jira)" <ji...@apache.org> on 2022/10/04 18:03:00 UTC

[jira] [Commented] (IGNITE-17799) Use onLeaderElected callback to register CMG leader topology listeners

    [ https://issues.apache.org/jira/browse/IGNITE-17799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612728#comment-17612728 ] 

Roman Puchkovskiy commented on IGNITE-17799:
--------------------------------------------

The patch looks good to me, thanks!

> Use onLeaderElected callback to register CMG leader topology listeners
> ----------------------------------------------------------------------
>
>                 Key: IGNITE-17799
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17799
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Aleksandr Polovtcev
>            Assignee: Aleksandr Polovtcev
>            Priority: Major
>              Labels: ignite-3
>
> {{ClusterManagementGroupManager}} does not support Raft leader change. When the CMG leader is elected, it registers a topology listener to notify incoming nodes about the CMG state. However, this is currently only done once during the init phase, so if the leadership is lost after that, node join will not be possible, because the new leader will not have the topology listener registered.



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