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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/10/02 21:09:00 UTC
[jira] [Work logged] (BEAM-3304) Go triggering support
[ https://issues.apache.org/jira/browse/BEAM-3304?focusedWorklogId=659285&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-659285 ]
ASF GitHub Bot logged work on BEAM-3304:
----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Oct/21 21:08
Start Date: 02/Oct/21 21:08
Worklog Time Spent: 10m
Work Description: lostluck opened a new pull request #15644:
URL: https://github.com/apache/beam/pull/15644
PR does a few things.
* Adjust the experimental trigger API to be more encapuslated at the user side in the beam package.
* Make it clearer the trigger API is experimental and subject to change.
* Add complete support for the AfterProcessingTime trigger.
* Add AlloweLateness handling.
* Update the trigger BPG documentation to follow suit.
* Update the windowing section of the BPG with examples.
------------------------
Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily:
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- [ ] Update `CHANGES.md` with noteworthy changes.
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`ValidatesRunner` compliance status (on master branch)
--------------------------------------------------------
<table>
<thead>
<tr>
<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Go</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/badge/icon">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Flink/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Flink/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Samza/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Samza/lastCompletedBuild/badge/icon">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/badge/icon">
</a>
</td>
<td>---</td>
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<tr>
<td>Java</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_ULR/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_ULR/lastCompletedBuild/badge/icon">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Streaming/lastCompletedBuild/">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Java11/lastCompletedBuild/">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_VR_Dataflow_V2_Streaming/lastCompletedBuild/">
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/badge/icon?subject=Java+8">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Java11/lastCompletedBuild/">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/">
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</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/badge/icon?subject=Portable+Streaming">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/badge/icon">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Spark_Batch/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_PVR_Spark_Batch/lastCompletedBuild/badge/icon?subject=Portable">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_SparkStructuredStreaming/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_SparkStructuredStreaming/lastCompletedBuild/badge/icon?subject=Structured+Streaming">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Twister2/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Twister2/lastCompletedBuild/badge/icon">
</a>
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<tr>
<td>Python</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/badge/icon?subject=V1">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow_V2/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow_V2/lastCompletedBuild/badge/icon?subject=V2">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/badge/icon?subject=ValCont">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/lastCompletedBuild/badge/icon?subject=Portable">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/badge/icon">
</a>
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Samza/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Samza/lastCompletedBuild/badge/icon">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Spark/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Spark/lastCompletedBuild/badge/icon">
</a>
</td>
<td>---</td>
</tr>
<tr>
<td>XLang</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Direct/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Direct/lastCompletedBuild/badge/icon">
</a>
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Dataflow/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Dataflow/lastCompletedBuild/badge/icon">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Flink/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Flink/lastCompletedBuild/badge/icon">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Samza/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Samza/lastCompletedBuild/badge/icon">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Spark/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Spark/lastCompletedBuild/badge/icon">
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</td>
<td>---</td>
</tr>
</tbody>
</table>
Examples testing status on various runners
--------------------------------------------------------
<table>
<thead>
<tr>
<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Go</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td>Java</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/badge/icon?subject=V1">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Java11_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Java11_Cron/lastCompletedBuild/badge/icon?subject=V1+Java11">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java_Examples_Dataflow_V2/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_Examples_Dataflow_V2/lastCompletedBuild/badge/icon?subject=V2">
</a><br>
</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td>Python</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td>XLang</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
Post-Commit SDK/Transform Integration Tests Status (on master branch)
------------------------------------------------------------------------------------------------
<table>
<thead>
<tr>
<th>Go</th>
<th>Java</th>
<th>Python</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/badge/icon?subject=3.6">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python37/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python37/lastCompletedBuild/badge/icon?subject=3.7">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python38/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python38/lastCompletedBuild/badge/icon?subject=3.8">
</a>
</td>
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</tbody>
</table>
Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
<table>
<thead>
<tr>
<th>---</th>
<th>Java</th>
<th>Python</th>
<th>Go</th>
<th>Website</th>
<th>Whitespace</th>
<th>Typescript</th>
</tr>
</thead>
<tbody>
<tr>
<td>Non-portable</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/badge/icon">
</a><br>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/badge/icon?subject=Tests">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_PythonLint_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_PythonLint_Cron/lastCompletedBuild/badge/icon?subject=Lint">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocker_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocker_Cron/badge/icon?subject=Docker">
</a><br>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocs_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocs_Cron/badge/icon?subject=Docs">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/badge/icon">
</a>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Whitespace_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Whitespace_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Typescript_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Typescript_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
</tr>
<tr>
<td>Portable</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_GoPortable_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_GoPortable_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
See [.test-infra/jenkins/README](https://github.com/apache/beam/blob/master/.test-infra/jenkins/README.md) for trigger phrase, status and link of all Jenkins jobs.
GitHub Actions Tests Status (on master branch)
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Issue Time Tracking
-------------------
Worklog Id: (was: 659285)
Time Spent: 11h 10m (was: 11h)
> Go triggering support
> ---------------------
>
> Key: BEAM-3304
> URL: https://issues.apache.org/jira/browse/BEAM-3304
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Henning Rohde
> Assignee: Ritesh Ghorse
> Priority: P3
> Time Spent: 11h 10m
> Remaining Estimate: 0h
>
> `Add support for triggers.
> [https://beam.apache.org/documentation/programming-guide/#triggers]
> Triggers are special runner side behavior indicating how to handle data WRT the watermark and window. Commonly configuring the processing for “late data” and similar.
> These are not currently implemented for user use in the Go SDK. Reshuffle configures triggers, but it’s not accessible. A correct trigger implementation can at least re-implement Reshuffle in a user pipeline, rather than handled specially within the framework.
> * Requires extending the window package to be able to configure the various triggers.
> * Specifically being able to compose triggers as also permitted by the proto.
> ** [https://github.com/apache/beam/blob/6e7b1c44bc7275ee047afc059fd610cd3f4e5bee/model/pipeline/src/main/proto/beam_runner_api.proto#L1111]
> * Requires updating the graphx package translate.go to marshal (and unmarshal?) the triggers to and from Beam PipelineProto Windowing strategies.
> * Requires supporting triggers with the beam.WindowInto transform for user pipeline use as well as complete documentation on its use from the user side.
> ** [https://github.com/apache/beam/blob/6e7b1c44bc7275ee047afc059fd610cd3f4e5bee/sdks/go/pkg/beam/windowing.go]
> * Panes need to be decoded, otherwise triggering will cause runtime errors: [https://lists.apache.org/thread.html/r94c42d2d116f6464cd6b689543e5e578edf8310bf7c6e48a0958a56c%40%3Cdev.beam.apache.org%3E]
> * Handle pane propagation and observation in the exec package, and in user dofns.
> ** Panes indicate whether data was on time or not, and similar facets which may be relevant for processing.
> ** Might simply extend the existing window interface.
>
> Similar to windowing, many of the same places as https://issues.apache.org/jira/browse/BEAM-11100 need to be modified.
> At simplest though, it's mostly a runner side construction, with less concern on the exec side, and generally much simpler.
> Appropriate integration tests against portable runners must be implemented:
> [https://github.com/apache/beam/tree/master/sdks/go/test/integration/primitives]
> And optionally add support for the configurable triggers to the the Go Direct Runner. However, the results must be compared and validated against a semantically correct runner like the python portable runner first. At minimum, the Go Direct Runner should be made aware of triggers and produce a coherent error whenever there's a trigger it can't deal with.
>
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