[jira] [Created] (FLINK-10117) REST API for Queryable State
Elias Levy created FLINK-10117:
Summary: REST API for Queryable State
Issue Type: Improvement
Components: Queryable State, REST
Affects Versions: 1.6.0
Reporter: Elias Levy
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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