Kenneth Knowles created BEAM-24:
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Summary: Merging of watermark holds depends on runner-specific
"take the minimum" behavior
Key: BEAM-24
URL: https://issues.apache.org/jira/browse/BEAM-24
Project: Beam
Issue Type: Bug
Components: runner-core
Reporter: Kenneth Knowles
Assignee: Kenneth Knowles
When multiple watermark holds are to be combined via an OutputTimeFn and
committed to persistent storage, the case where the OutputTimeFn computes the
minimum is elided, assuming the underlying runner will perform this combine by
default.
This is a natural default, but today it is a runner-specific behavior that the
runner-agnostic code relies upon.
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