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Posted to issues@ignite.apache.org by "Roman Puchkovskiy (Jira)" <ji...@apache.org> on 2025/03/03 07:24:00 UTC

[jira] [Commented] (IGNITE-24574) Implement required catalog version selection for WriteIntentSwitch requests handling

    [ https://issues.apache.org/jira/browse/IGNITE-24574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17931882#comment-17931882 ] 

Roman Puchkovskiy commented on IGNITE-24574:
--------------------------------------------

A simpler approach was implemented than the one suggested in the description of this issue. reliableCatalogVersion is used to make sure the follower has *at least* the version we used when producing the command, so it might exceed the 'exact' value. So, if the 'exact' value was already compacted away, it's not a problem, we can take any value that exceeds it (this is what I do by taking the earliest version of the Catalog currently available).

> Implement required catalog version selection for WriteIntentSwitch requests handling
> ------------------------------------------------------------------------------------
>
>                 Key: IGNITE-24574
>                 URL: https://issues.apache.org/jira/browse/IGNITE-24574
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Roman Puchkovskiy
>            Assignee: Roman Puchkovskiy
>            Priority: Major
>              Labels: ignite-3
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> WriteIntentSwitchReplicaRequest handlers try to detect required catalog version to build WriteIntentSwitchCommand instances. It is not clear yet how to guarantee that a chosen catalog version is not removed by the catalog compactor.



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