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https://issues.apache.org/jira/browse/IGNITE-23483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Steshin updated IGNITE-23483:
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Ignite Flags: (was: Docs Required,Release Notes Required)
> Restore snapshot check from lesser topology for snapshot check distributed
> process.
> -----------------------------------------------------------------------------------
>
> Key: IGNITE-23483
> URL: https://issues.apache.org/jira/browse/IGNITE-23483
> Project: Ignite
> Issue Type: Bug
> Reporter: Vladimir Steshin
> Assignee: Vladimir Steshin
> Priority: Major
>
> Before the refactoring of snapshot validation, a single node had the ability
> to check several snaphot parts if they were placed on the same node. As a
> result, a snapshot can be checked by just one node, can be checked by
> insufficient topology and can be restored from other topologies.
> This was achieved by mapping available snapshot metadatas to actual online
> topology. See `AbstractSnapshotVerificationTask#map(...)`. Now, we check only
> the snapshot data related to the current node despite we read more than one
> meta and there aren't enough online nodes.
> The test `testMetaWarningRestoredByOnlyOneNode()` indicates the problem. A
> broken snapshot is sucessfully validated.
> We should restore the feature of checking several available snapshot parts on
> one node.
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