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https://issues.apache.org/jira/browse/FLINK-10117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Knauf closed FLINK-10117.
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Resolution: Won't Do
Queryable State is unfortunately not actively developed anymore. If this
changes at some point, let's revist.
> REST API for Queryable State
> ----------------------------
>
> Key: FLINK-10117
> URL: https://issues.apache.org/jira/browse/FLINK-10117
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Queryable State, Runtime / REST
> Affects Versions: 1.6.0
> Reporter: Elias Levy
> Priority: Major
> Labels: stale-major
>
> At the moment, queryable state requires a JVM based client that can make use
> of the Java queryable state client API in flink-queryable-state-client
> artifact. In addition, the client requires a state descriptor matching the
> queried state, which tightly couples the Flink job and query state clients.
> I propose that queryable state become accessible via a REST API. FLINK-7040
> mentions this possibility, but does not specify work towards that goal.
> I suggest that to enable queryable state over REST, users define JSON
> serializers via the state descriptors.
> This would allow queryable state clients to be developed in any language, not
> require them to use a Flink client library, and permit them to be loosely
> coupled with the job, as they could generically parse the returned JSON.
>
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