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Posted to issues@ignite.apache.org by "Sergey Chugunov (Jira)" <ji...@apache.org> on 2021/03/19 15:20:00 UTC

[jira] [Assigned] (IGNITE-13976) WAL disable/enable with node restarts results in mismatching state, data loss

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

Sergey Chugunov reassigned IGNITE-13976:
----------------------------------------

    Assignee: Sergey Chugunov  (was: Anton Kalashnikov)

> 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: Sergey Chugunov
>            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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