[jira] [Work logged] (BEAM-6350) Reuse same PCollectionView when created in translators

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-6350?focusedWorklogId=181113&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-181113 ]

ASF GitHub Bot logged work on BEAM-6350:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Jan/19 13:23
            Start Date: 04/Jan/19 13:23
    Worklog Time Spent: 10m 
      Work Description: dmvk commented on issue #7399: [BEAM-6350] Reuse PCollectionView when created in translators
URL: https://github.com/apache/beam/pull/7399#issuecomment-451442268
 
 
   Run JavaPortabilityApi PreCommit
 
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


Issue Time Tracking
-------------------

    Worklog Id:     (was: 181113)
    Time Spent: 20m  (was: 10m)

> Reuse same 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: 20m
>  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.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)