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https://issues.apache.org/jira/browse/IGNITE-15843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirill Tkalenko updated IGNITE-15843:
-------------------------------------
    Release Note: Improved logging related to the persistent data structure 
message for in-memory data region.  (was: Do not print corrupted persistent 
data structure message for in-memory data region.)

> "Please make backup of persistence storage" but node is not persistent
> ----------------------------------------------------------------------
>
>                 Key: IGNITE-15843
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15843
>             Project: Ignite
>          Issue Type: Bug
>          Components: persistence
>            Reporter: Kirill Tkalenko
>            Assignee: Kirill Tkalenko
>            Priority: Major
>             Fix For: 2.13
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> It is possible to get the following message:
> [18:54:34,189][SEVERE][sys-stripe-66-#67][FailureProcessor] A critical 
> problem with persistence data structures was detected. Please make backup of 
> persistence storage and WAL files for further analysis. Persistence storage 
> path: null WAL path: db/wal WAL archive path: db/wal/archive
> on non-persistent node. CorruptedTreeException may happen on any durable 
> memory.
> We should only print this warning when there are persistent regions.



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