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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/04/20 18:57:00 UTC
[jira] [Work logged] (BEAM-12040) WriteFiles
withRunnerDeterminedSharding for unbounded data doesn't work with merging
windows
[ https://issues.apache.org/jira/browse/BEAM-12040?focusedWorklogId=586093&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-586093 ]
ASF GitHub Bot logged work on BEAM-12040:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Apr/21 18:56
Start Date: 20/Apr/21 18:56
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #14530:
URL: https://github.com/apache/beam/pull/14530#issuecomment-823523453
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Issue Time Tracking
-------------------
Worklog Id: (was: 586093)
Time Spent: 4h 40m (was: 4.5h)
> WriteFiles withRunnerDeterminedSharding for unbounded data doesn't work with merging windows
> --------------------------------------------------------------------------------------------
>
> Key: BEAM-12040
> URL: https://issues.apache.org/jira/browse/BEAM-12040
> Project: Beam
> Issue Type: Improvement
> Components: io-java-files
> Reporter: Siyuan Chen
> Assignee: Siyuan Chen
> Priority: P2
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Currently the implementation of `withRunnerDeterminedShardingUnbounded` uses a stateful DoFn to achieve the grouping and batching of the input elements, which doesn't support session windows. One possible way is to add another GBK prior to the stateful DoFn to first get session windows merged and reify the window before invoking the sateful DoFn.
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