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https://issues.apache.org/jira/browse/FLINK-10132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16579316#comment-16579316
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ASF GitHub Bot commented on FLINK-10132:
----------------------------------------
yanghua commented on issue #6548: [FLINK-10132] Incremental cleanup of local
expired state with TTL dis…
URL: https://github.com/apache/flink/pull/6548#issuecomment-412767916
checkstyle errors :
```
16:40:29.994 [ERROR]
src/main/java/org/apache/flink/runtime/state/ttl/AbstractTtlState.java:[21,8]
(imports) UnusedImports: Unused import:
org.apache.flink.api.common.state.StateTtlConfig.
16:40:29.994 [ERROR]
src/main/java/org/apache/flink/runtime/state/ttl/TtlAggregatingState.java:[21,8]
(imports) UnusedImports: Unused import:
org.apache.flink.api.common.state.StateTtlConfig.
16:40:29.994 [ERROR]
src/main/java/org/apache/flink/runtime/state/ttl/TtlAggregatingState.java:[22,8]
(imports) UnusedImports: Unused import:
org.apache.flink.api.common.typeutils.TypeSerializer.
16:40:29.994 [ERROR]
src/main/java/org/apache/flink/runtime/state/ttl/TtlFoldingState.java:[22,8]
(imports) UnusedImports: Unused import:
org.apache.flink.api.common.state.StateTtlConfig.
16:40:29.994 [ERROR]
src/main/java/org/apache/flink/runtime/state/ttl/TtlFoldingState.java:[23,8]
(imports) UnusedImports: Unused import:
org.apache.flink.api.common.typeutils.TypeSerializer.
```
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> Incremental cleanup of local expired state with TTL discovered in full
> snapshot
> --------------------------------------------------------------------------------
>
> Key: FLINK-10132
> URL: https://issues.apache.org/jira/browse/FLINK-10132
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.7.0
> Reporter: Andrey Zagrebin
> Assignee: Andrey Zagrebin
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> This issue suggests to extend approach from FLINK-9938 and add a queue
> between a snapshotting thread which discovers expired state during its full
> scan and main thread which accesses state and can incrementally pull the
> queue and clean up local state if still applicable.
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