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https://issues.apache.org/jira/browse/IGNITE-16881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17529466#comment-17529466
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Sergey Uttsel commented on IGNITE-16881:
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A transaction id must be a UUID instead of a Timestamp.

PartitionStorage should be replaced with MvPartitionStorage.

PageMemoryPartitionStorage will be replaced with MV-version later. Now it is 
deprecated.

PartitionStorage#snapshot create a raft snapshot. MvPartitionStorage doesn't 
have a snapshot method now but will have later.

> Integrate MV-storage into current tx implementation
> ---------------------------------------------------
>
>                 Key: IGNITE-16881
>                 URL: https://issues.apache.org/jira/browse/IGNITE-16881
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Alexander Lapin
>            Assignee: Sergey Uttsel
>            Priority: Major
>              Labels: ignite-3
>
> VersionedRowStore contract is replaced with new MV-storage API that should be 
> used inside tx protocol instead of old VersionedRowStore one.
> Tx.Phase1



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