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https://issues.apache.org/jira/browse/BEAM-6350?focusedWorklogId=180632&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-180632
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ASF GitHub Bot logged work on BEAM-6350:
----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Jan/19 11:50
Start Date: 03/Jan/19 11:50
Worklog Time Spent: 10m
Work Description: mareksimunek commented on pull request #7399:
[BEAM-6350] Reuuse PCollectionView when created in translators
URL: https://github.com/apache/beam/pull/7399
If for LeftJoin is used BroadcastHashJoinTranslator then from right side is
created PCollectionView (as sideInput).
If we use right side in multiple joins then PCollectionView is created
multiple times which is not optimal behavior.
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Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
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| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)
[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink/lastCompletedBuild/)
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</br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
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Issue Time Tracking
-------------------
Worklog Id: (was: 180632)
Time Spent: 10m
Remaining Estimate: 0h
> Reuuse PCollectionView when created in translators
> ---------------------------------------------------
>
> Key: BEAM-6350
> URL: https://issues.apache.org/jira/browse/BEAM-6350
> Project: Beam
> Issue Type: Improvement
> Components: dsl-euphoria
> Affects Versions: 2.11.0
> Reporter: Marek Simunek
> Assignee: David Moravek
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> If for LeftJoin is used BroadcastHashJoinTranslator then from right side is
> created PCollectionView (as sideInput).
> If we use right side in multiple joins then PCollectionView is created
> multiple times which is not optimal behavior.
> Eg.
> {code:java}
> LeftJoin.of(left, right)..
> LeftJoin.of(anotherLeftPcollection, right)..
> {code}
> For example it will happen when we want to solve skew Join.
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