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https://issues.apache.org/jira/browse/BEAM-9624?focusedWorklogId=418851&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-418851
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ASF GitHub Bot logged work on BEAM-9624:
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Author: ASF GitHub Bot
Created on: 08/Apr/20 20:07
Start Date: 08/Apr/20 20:07
Worklog Time Spent: 10m
Work Description: udim commented on issue #11271: [BEAM-9624] Adds
Convert to Accumulators operator for use in combiner lifting for streaming
pipelines
URL: https://github.com/apache/beam/pull/11271#issuecomment-611166892
> I didn't see a place where you could add a Python test that was similar to
the Go/Java ones.
>
> @udim Any suggestions?
My suggestion is to look at combiners_test.py and add the appropriate test
there.
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Issue Time Tracking
-------------------
Worklog Id: (was: 418851)
Time Spent: 2.5h (was: 2h 20m)
> Combine operation should support only converting to accumulators
> ----------------------------------------------------------------
>
> Key: BEAM-9624
> URL: https://issues.apache.org/jira/browse/BEAM-9624
> Project: Beam
> Issue Type: Improvement
> Components: runner-core
> Reporter: Andrew Crites
> Assignee: Andrew Crites
> Priority: Major
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> For streaming pipelines, we want to be able to lift the combiner into the
> MergeBuckets without having to also do a PartialGroupByKey before the
> shuffle. We don't want to do the PGBK since it could cause non-deterministic
> results when used with some triggers.
> We propose adding a new URN for doing just the convert to accumulators step
> and adding support for it in Java/Python/Go.
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