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https://issues.apache.org/jira/browse/FLINK-21650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan resolved FLINK-21650.
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Resolution: Fixed
Merged into master as 8ba5ca3d7d797da569839879cab164aa7dc5d947.
> On heap state restore, skip key groups from other state backends
> ----------------------------------------------------------------
>
> Key: FLINK-21650
> URL: https://issues.apache.org/jira/browse/FLINK-21650
> 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
>
>
> In new incremental mode, heap backend wraps KeyGroupsStateHandle
> into IncrementalRemoteKeyedStateHandle. The latter don't compute
> intersection because it is not directly aware of the offsets. So it just
> returns a full keyrange if there is SOME intersection.
> On recovery, unused keyGroups are filtered out by RocksDB state backend.
> With this change, Heap state backend does the same.
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