Kenneth Knowles created BEAM-4532:
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Summary: Consider how to free state with unbounded keys in the
global window
Key: BEAM-4532
URL: https://issues.apache.org/jira/browse/BEAM-4532
Project: Beam
Issue Type: New Feature
Components: beam-model, sdk-java-core, sdk-py-core
Reporter: Kenneth Knowles
Currently, state is per-key-and-window and is freed by window expiration.
In the global window, state never expires. It can be explicitly deleted by the
user based on timers or custom criteria, but that might be a pain. [~reuvenlax]
suggests a nicer API or model might be helpful.
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