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https://issues.apache.org/jira/browse/FLINK-21673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan resolved FLINK-21673.
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Resolution: Fixed
Merged into master as 739d52c197bf229a4c94b9c8235e9c3bc09bc3e5.
> Add extension points to heap backend to read/write incremental snapshots
> ------------------------------------------------------------------------
>
> Key: FLINK-21673
> URL: https://issues.apache.org/jira/browse/FLINK-21673
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0
>
>
> For each state, incremental backend can create either incremental or full
> snapshot.
> States of type PQ or nested tables are always fully snapshotted.
> The goal is allow future incremental backend to:
> # distinguish between full/inc snapshots on recovery
> # read incremental snapshot
> This ticket is only about changing the existing classes (providing extension
> points).
>
> Optional goal: compatibility between backends.
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