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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2020/04/27 16:00:33 UTC
[GitHub] [beam] mxm opened a new pull request #11536: [BEAM-9827][release-2.21.0] Ensure minimum watermark hold is computed across all keys
mxm opened a new pull request #11536:
URL: https://github.com/apache/beam/pull/11536
Backport of #11533.
For computing the current output watermark we need to compute the minimum
watermark hold across all watermark holds. We maintain an in-memory view of all
watermark holds because iterating over all keys is an expensive operation which
we only want to do when restoring from a checkpoint, not on every watermark.
The watermark view may not be in sync with its backing managed state. This
change corrects this by maintaining a TreeMap with all watermark holds and
adding additional tests.
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[GitHub] [beam] mxm commented on pull request #11536: [BEAM-9827][release-2.21.0] Ensure minimum watermark hold is computed across all keys
Posted by GitBox <gi...@apache.org>.
mxm commented on pull request #11536:
URL: https://github.com/apache/beam/pull/11536#issuecomment-620077624
CC @ibzib
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[GitHub] [beam] mxm commented on pull request #11536: [BEAM-9827][release-2.21.0] Ensure minimum watermark hold is computed across all keys
Posted by GitBox <gi...@apache.org>.
mxm commented on pull request #11536:
URL: https://github.com/apache/beam/pull/11536#issuecomment-620077756
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[GitHub] [beam] mxm commented on pull request #11536: [BEAM-9827][release-2.21.0] Ensure minimum watermark hold is computed across all keys
Posted by GitBox <gi...@apache.org>.
mxm commented on pull request #11536:
URL: https://github.com/apache/beam/pull/11536#issuecomment-620099764
Run Python2_PVR_Flink PreCommit
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