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https://issues.apache.org/jira/browse/BEAM-9312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548399#comment-17548399
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Danny McCormick commented on BEAM-9312:
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This issue has been migrated to https://github.com/apache/beam/issues/20041
> Make MonotonicWatermarkEstimator configurable for whether to ignore late
> timestamp.
> -----------------------------------------------------------------------------------
>
> Key: BEAM-9312
> URL: https://issues.apache.org/jira/browse/BEAM-9312
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core, sdk-py-harness
> Reporter: Boyuan Zhang
> Priority: P3
>
> Current implementation of MonotonicWatermarkEstimator throws error and stop
> the pipeline when there is a late timestamp. But there are more potential
> options like:
> (1) Suppress the error and emit the item as possibly late data.
> (2) Move the timestamp forward to respect the watermark.
> We should consider making MonotonicWatermarkEstimator configurable with these
> options, or providing different types of MonotonicWatermarkEstimator to
> handle different options.
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