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https://issues.apache.org/jira/browse/BEAM-3708?focusedWorklogId=116619&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-116619
]
ASF GitHub Bot logged work on BEAM-3708:
----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Jun/18 21:29
Start Date: 27/Jun/18 21:29
Worklog Time Spent: 10m
Work Description: youngoli opened a new pull request #5795: [BEAM-3708]
Adding grouping table to Precombine step.
URL: https://github.com/apache/beam/pull/5795
Adding a grouping table to the Precombine step of a lifted Combine Per
Key. This enables performing a Partial Group by Key optimization. The
grouping table code is somewhat generic, so it can be reused in other
runners that want to perform a Partial Group by Key.
Note for any reviewers:
I wasn't entirely sure where to commit the GroupingTable code, since it's
somewhat generic, so I'm starting with the most specific directory it would fit
in, but I may move the GroupingTable files to a new sub-directory named "utils"
or something similar, or a completely different directory if anyone has any
suggestions.
------------------------
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Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Spark
--- | --- | --- | --- | --- | --- | ---
Go | [](https://builds.apache.org/job/beam_PostCommit_Go_GradleBuild/lastCompletedBuild/)
| --- | --- | --- | --- | ---
Java | [](https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark_Gradle/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/)
| --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)
</br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
| --- | --- | ---
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Issue Time Tracking
-------------------
Worklog Id: (was: 116619)
Time Spent: 2h 50m (was: 2h 40m)
> Implement the portable lifted Combiner transforms in Java SDK
> -------------------------------------------------------------
>
> Key: BEAM-3708
> URL: https://issues.apache.org/jira/browse/BEAM-3708
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core, sdk-java-harness
> Reporter: Daniel Oliveira
> Assignee: Daniel Oliveira
> Priority: Major
> Labels: portability
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> Lifted combines are split into separate parts with different URNs. These
> parts need to be implemented in the Java SDK harness so that the SDK can
> actually execute them when receiving Combine transforms with the
> corresponding URNs.
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