dmvk commented on a change in pull request #15994:
URL: https://github.com/apache/beam/pull/15994#discussion_r768118387
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File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/state/FlinkStateInternals.java
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@@ -215,6 +216,22 @@ public void clearGlobalState() {
}
}
+ public List<ByteBuffer> getGlobalWindowStateKeys() {
Review comment:
I would say `org.apache.flink.runtime.state.KeyedStateBackend#getKeys`
[1] should already provide everything you need. You just need to make sure you
have a state that you can rely on.
If you think about it, you'd also need to make sure there is _some_ state in
the approach you're proposing, so it's not that different.
[1]
https://nightlies.apache.org/flink/flink-docs-master/api/java/org/apache/flink/runtime/state/KeyedStateBackend.html#getKeys-java.lang.String-N-
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