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https://issues.apache.org/jira/browse/FLINK-13803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann reassigned FLINK-13803:
-------------------------------------
Assignee: PengFei Li
> Introduce SpillableHeapKeyedStateBackend and all necessities
> ------------------------------------------------------------
>
> Key: FLINK-13803
> URL: https://issues.apache.org/jira/browse/FLINK-13803
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: Yu Li
> Assignee: PengFei Li
> Priority: Major
>
> This JIRA aims at introducing a new {{SpillableHeapKeyedStateBackend}} which
> will reuse most code of the {{HeapKeyedStateBackend}} (probably the only
> difference is the spill-able one will register a {{HybridStateTable}}), and
> allow using it in {{FsStateBackend}} and {{MemoryStateBackend}} (only as an
> option, by default still {{HeapKeyedStateBackend}}) through configuration.
> The related necessities include but are not limited to:
> * A relative backend builder class
> * Relative restore operation classes
> * Necessary configurations for using spill-able backend
> This should be the last JIRA after which the spill-able heap backend feature
> will become runnable regardless of the stability and performance.
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