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https://issues.apache.org/jira/browse/BEAM-10641?focusedWorklogId=480399&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-480399
]
ASF GitHub Bot logged work on BEAM-10641:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Sep/20 19:41
Start Date: 08/Sep/20 19:41
Worklog Time Spent: 10m
Work Description: yifanmai opened a new pull request #12787:
URL: https://github.com/apache/beam/pull/12787
If multiple `KeyWithNone` stages share a common input, then all but one
stages will be eliminated along with their output `PCollection`s. Transforms
that originally read input from the output `PCollection` of the eliminated
`KeyWithNone` stages will be remapped to read input from the output
`PCollection` of the remaining `KeyWithNone` stage.
This allows `pack_combiners` to pack sibling `CombineGlobally` stages,
rather than just `CombinePerKey` stages.
------------------------
Post-Commit Tests Status (on master branch)
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Go | [](https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/)
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Java | [](https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Java11/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Java11/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Spark_Batch/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_SparkStructuredStreaming/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Twister2/lastCompletedBuild/)
Python | [](https://ci-beam.apache.org/job/beam_PostCommit_Python2/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Python35/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Python37/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Python38/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow_V2/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Python2_PVR_Flink_Cron/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PostCommit_Python35_VR_Flink/lastCompletedBuild/)
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XLang | [](https://ci-beam.apache.org/job/beam_PostCommit_XVR_Direct/lastCompletedBuild/)
| --- | [](https://ci-beam.apache.org/job/beam_PostCommit_XVR_Flink/lastCompletedBuild/)
| --- | [](https://ci-beam.apache.org/job/beam_PostCommit_XVR_Spark/lastCompletedBuild/)
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Pre-Commit Tests Status (on master branch)
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--- |Java | Python | Go | Website | Whitespace | Typescript
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Non-portable | [](https://ci-beam.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PreCommit_PythonLint_Cron/lastCompletedBuild/)<br>[](https://ci-beam.apache.org/job/beam_PreCommit_PythonDocker_Cron/lastCompletedBuild/)
<br>[](https://ci-beam.apache.org/job/beam_PreCommit_PythonDocs_Cron/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Whitespace_Cron/lastCompletedBuild/)
| [](https://ci-beam.apache.org/job/beam_PreCommit_Typescript_Cron/lastCompletedBuild/)
Portable | --- | [](https://ci-beam.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/)
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Issue Time Tracking
-------------------
Worklog Id: (was: 480399)
Remaining Estimate: 0h
Time Spent: 10m
> Add Combiner Packing to Dataflow
> --------------------------------
>
> Key: BEAM-10641
> URL: https://issues.apache.org/jira/browse/BEAM-10641
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Yifan Mai
> Assignee: Yifan Mai
> Priority: P2
> Labels: stale-assigned
> Time Spent: 10m
> Remaining Estimate: 0h
>
> BEAM-10409 adds a combiner packing graph optimizer for PortableRunner and
> FnApiRunner. We should also add this to the Dataflow runner.
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