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https://issues.apache.org/jira/browse/IGNITE-11352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stepachev Maksim updated IGNITE-11352:
--------------------------------------
    Description: 
The problem was founded, there are incompatible changes in serialization 
between 2.4 and 2.7 versions. The root of the problem is CacheMetricsSnapshot.

 

  was:
The problem was founded when we performed a rolling upgrade from 2.4 to 2.7. 
The root of the problem is CacheMetricsSnapshot, it doesn't work with the 
previous version of the protocol.

 


> Compatibility with 2.7 with mode:  statistics enabled
> -----------------------------------------------------
>
>                 Key: IGNITE-11352
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11352
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.7
>            Reporter: Stepachev Maksim
>            Assignee: Stepachev Maksim
>            Priority: Major
>             Fix For: 2.7
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The problem was founded, there are incompatible changes in serialization 
> between 2.4 and 2.7 versions. The root of the problem is CacheMetricsSnapshot.
>  



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