Comments (2)
I have tried implementing this feature. In fact it should be the default behaviour that no max timestamp should be emitted. There is a flushOpenWindowsOnTermination() method which enables the emit of a Long.MAX_VALUE.
But if I remember correctly the engine itself seems to emit a max watermark. I have to debug this myself and get back to you.
from flink-spector.
The framework will emit a max watermark if the source has not been cancelled. Which is the case here because the source just runs out of input and stops. There seems to be no way to stop the framework from emitting the watermark. The only solution would be to block the source and then notify some listener outside of the framework to cancel the job/cluster (which seems a little bit over engineered).
I think I have to discuss this with the Flink guys.
from flink-spector.
Related Issues (20)
- Low performance when using EventTimeInputBuilder HOT 1
- Tests don't work while making mvn test on CircleCI HOT 2
- Convert Message Headers to Long
- Global Windows don't emit data on time HOT 2
- Publish versions to OSS Repository Hosting HOT 2
- "Task was cancelled" exception when testing CoProcessFunction HOT 6
- Tests flicker when running in parallel (when using Managed State) HOT 4
- Publish 0.8.2 to Maven Central HOT 5
- NPE in test HOT 6
- Consider splitting out JUnit 4 functionality into separate module and documenting HOT 2
- assertStream always passes HOT 6
- There is no DataStreamTestBase.emit variant that accepts an arbitrary timestamp HOT 1
- TestBaseUtils.startCluster is deprecated as of Flink 1.7.0 HOT 5
- Release 0.8.5? HOT 3
- Flinkspector 0.9.1 references package/classes not published by Flink HOT 4
- Is there any plan to support flink 1.8? HOT 6
- setParallelism changes test outcome HOT 6
- unresolved dependencies scala 2.12
- unmaintained? HOT 2
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from flink-spector.