[
https://issues.apache.org/jira/browse/BEAM-12153?focusedWorklogId=632967&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-632967
]
ASF GitHub Bot logged work on BEAM-12153:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Aug/21 14:35
Start Date: 03/Aug/21 14:35
Worklog Time Spent: 10m
Work Description: echauchot opened a new pull request #15267:
URL: https://github.com/apache/beam/pull/15267
As flink runner does in GBK translation.
It is to avoid OOM due to the materialization of the collection in current
GBK impl.
This PR is based on https://github.com/apache/beam/pull/15218 which makes
the SS runner modifiable back again.
R: @ibzib
CC: @aromanenko-dev
------------------------
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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";>
</a>
<td>
<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";>
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<td>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/badge/icon";>
</a>
</td>
<td>---</td>
</tr>
<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";>
</a>
</td>
<td>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/badge/icon?subject=V1";>
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<td>
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<img alt="Build Status"
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<td>
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<img alt="Build Status"
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</td>
<td>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/badge/icon";>
</a><br>
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<img alt="Build Status"
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</td>
<td>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Twister2/lastCompletedBuild/badge/icon";>
</a>
</td>
</tr>
<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"
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</a>
</td>
<td>
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</a>
</td>
<td>
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</td>
<td>
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<img alt="Build Status"
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</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";>
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<td>
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<td>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Spark/lastCompletedBuild/badge/icon";>
</a>
</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
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<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
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/badge/icon";>
</a>
</td>
<td>
<a
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/badge/icon?subject=3.6";>
</a><br>
<a
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<img alt="Build Status"
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</a>
</td>
</tr>
</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>
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<img alt="Build Status"
src="https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/badge/icon?subject=Tests";>
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</td>
<td>
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src="https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/badge/icon";>
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<td>
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<td>
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<td>
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src="https://ci-beam.apache.org/job/beam_PreCommit_Typescript_Cron/lastCompletedBuild/badge/icon";>
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</td>
</tr>
<tr>
<td>Portable</td>
<td>---</td>
<td>
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href="https://ci-beam.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/";>
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<td>
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</a>
</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
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Issue Time Tracking
-------------------
Worklog Id: (was: 632967)
Remaining Estimate: 0h
Time Spent: 10m
> OOM on GBK in SparkRunner and SpartStructuredStreamingRunner
> ------------------------------------------------------------
>
> Key: BEAM-12153
> URL: https://issues.apache.org/jira/browse/BEAM-12153
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Etienne Chauchot
> Priority: P3
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We have being experiencing OOM errors on GroupByKey in batch mode in both
> Spark runners even if behind the woods spark spills data to disk in such
> cases: taking a look at the translation in the two runners, it might be due
> to using ReduceFnRunner for merging windows in GBK translation.
> ReduceFnRunner.processElements expects to have all elements to merge the
> windows between each other.:
> RDD spark runner:
> https://github.com/apache/beam/blob/752798e3b0e6911fa84f8d138dacccdb6fcc85ef/runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkGroupAlsoByWindowViaOutputBufferFn.java#L99
> structured streaming spark: runner:
> [https://github.com/apache/beam/blob/752798e3b0e6911fa84f8d138dacccdb6fcc85ef/runners/spark/2/src/main/java/org/apache/beam/runners/spark/structuredstreaming/translation/batch/functions/GroupAlsoByWindowViaOutputBufferFn.java#L74|https://github.com/apache/beam/blob/752798e3b0e6911fa84f8d138dacccdb6fcc85ef/runners/spark/2/src/main/java/org/apache/beam/runners/spark/structuredstreaming/translation/batch/functions/GroupAlsoByWindowViaOutputBufferFn.java#L106]
> Even replacing the Iterable with an Iterator in ReduceFnRunner to avoid
> materialization does not work because deep in
> ReduceFnRunner.processElements(), the collection is iterated twice.
> It could be better to do what flink runner does and translate GBK as
> CombinePerKey with a Concatenate combine fn and thus avoid elements
> materialization.
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