Thomas Groh created BEAM-156:
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Summary: Implement Quiescence Signalling in the
InProcessPipelineRunner
Key: BEAM-156
URL: https://issues.apache.org/jira/browse/BEAM-156
Project: Beam
Issue Type: Improvement
Components: sdk-java-core
Reporter: Thomas Groh
Assignee: Davor Bonaci
A pipeline is quiescent when the following two properties hold:
There are no triggers that can fire, given the current processing time and
watermark
All pending elements cannot make progress until a side input produces
additional output
This is approximately equivalent to: If no more input is received, the pipeline
will not perform any additional processing absent advances in processing time
or event time
See also:
https://docs.google.com/document/d/1fZUUbG2LxBtqCVabQshldXIhkMcXepsbv2vuuny8Ix4/edit#
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