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https://issues.apache.org/jira/browse/BEAM-12403?focusedWorklogId=634904&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-634904
 ]

ASF GitHub Bot logged work on BEAM-12403:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 06/Aug/21 01:05
            Start Date: 06/Aug/21 01:05
    Worklog Time Spent: 10m 
      Work Description: kw2542 commented on a change in pull request #15280:
URL: https://github.com/apache/beam/pull/15280#discussion_r683877476



##########
File path: 
runners/samza/src/main/java/org/apache/beam/runners/samza/translation/ParDoBoundMultiTranslator.java
##########
@@ -301,12 +304,18 @@ public void translatePortable(
 
     final RunnerApi.PCollection input = 
pipeline.getComponents().getPcollectionsOrThrow(inputId);
     final PCollection.IsBounded isBounded = 
SamzaPipelineTranslatorUtils.isBounded(input);
+    final Coder<?> keyCoder =
+        StateUtils.isStateful(stagePayload)

Review comment:
       This logic to extract key coder from a portable pipeline is only used 
here. It is different from class pipeline approach and depends on different 
inputs.




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

    Worklog Id:     (was: 634904)
    Time Spent: 3h  (was: 2h 50m)

> Support user states in Samza portable runner
> --------------------------------------------
>
>                 Key: BEAM-12403
>                 URL: https://issues.apache.org/jira/browse/BEAM-12403
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-samza
>            Reporter: Xinyu Liu
>            Assignee: Ke Wu
>            Priority: P2
>              Labels: portability-samza
>          Time Spent: 3h
>  Remaining Estimate: 0h
>
> Add support of stateful ParDo in Samza portable runner.



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