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https://issues.apache.org/jira/browse/IGNITE-13976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ilya Kasnacheev reassigned IGNITE-13976:
----------------------------------------

    Assignee: Anton Kalashnikov  (was: Ilya Kasnacheev)

> WAL disable/enable with node restarts results in mismatching state, data loss
> -----------------------------------------------------------------------------
>
>                 Key: IGNITE-13976
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13976
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: 2.9.1
>            Reporter: Ilya Kasnacheev
>            Assignee: Anton Kalashnikov
>            Priority: Critical
>
> If you try to enable/disable WAL on unstable topology, you will get to state 
> when WAL status is undefined, nodes might have different wall status and the 
> only way to fix it is to restart the cluster, which will lead to data loss 
> because ignite removes data if WAL is disabled on restart.
> See the reproducer in PR.



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