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https://issues.apache.org/jira/browse/IGNITE-12875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ilya Kasnacheev updated IGNITE-12875:
-------------------------------------
    Component/s: general

> Implement "EVT_CLUSTER_STATE_CHANGE_STARTED" event
> --------------------------------------------------
>
>                 Key: IGNITE-12875
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12875
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>            Reporter: Ivan Bessonov
>            Assignee: Ivan Bessonov
>            Priority: Major
>             Fix For: 2.9
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Current "EVT_CLUSTER_STATE" event is propagated only when transition is 
> finished, but it's impossible to track the start of "state transition".
> For example, it makes no sense to invoke "deactivate" while someone else is 
> invoking "read_only" state transition at the same time.
> Also this events might be useful for custom tools to monitor state of the 
> cluster and have more information about it.



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