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https://issues.apache.org/jira/browse/FLINK-9511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vinoyang reassigned FLINK-9511:
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Assignee: vinoyang
> Make StateDescriptor configurable with optional TTL
> ---------------------------------------------------
>
> Key: FLINK-9511
> URL: https://issues.apache.org/jira/browse/FLINK-9511
> Project: Flink
> Issue Type: Sub-task
> Components: Java API, State Backends, Checkpointing
> Affects Versions: 1.6.0
> Reporter: Andrey Zagrebin
> Assignee: vinoyang
> Priority: Major
> Fix For: 1.6.0
>
>
> TTL can be enabled and configured in the constructor of abstract
> StateDescriptor and become available in all subclasses:
> | {code:java}
> enum StateTtlUpdateType { Disabled, OnCreateAndWrite, OnReadAndWrite }
> enum StateTtlCleanupGuarantee { Relaxed, Exact }
> enum TtlStateVisibility { Relaxed, Exact }
> class TtlConfig {
> StateTtlUpdateType updateType;
> StateTtlCleanupGuarantee cleanupStrategy;
> TtlStateVisibility stateVisibility;
> TimeCharacteristic timeCharacteristic;
> long ttl;
> }
> // previous constructor
> StateDescriptor(...) {
> this.ttlConfig = ttlConfig.DISABLED;
> }
> // overloaded constructor with TtlConfig
> StateDescriptor(..., ttlConfig) {
> ...
> }
> {code}
> |
> Another option is to consider adding StateDescriptor builder
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