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Where in event time?

Global windows
Fixed windows
Sliding windows
Session windows
Custom windows
Custom merging windows
Timestamp control
Google Cloud DataflowApache FlinkApache Spark (RDD/DStream based)Apache Spark Structured Streaming (Dataset based)IBM StreamsApache SamzaApache NemoHazelcast JetTwister2Python Direct FnRunnerGo Direct Runner

Yes : default


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : built-in


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : built-in


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : built-in


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Partially : fully supported in batch mode


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Yes : supported


Last updated on 2021/02/05

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