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https://issues.apache.org/jira/browse/BEAM-12040?focusedWorklogId=593021&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-593021
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ASF GitHub Bot logged work on BEAM-12040:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 06/May/21 21:22
Start Date: 06/May/21 21:22
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #14530:
URL: https://github.com/apache/beam/pull/14530#issuecomment-833876678
sorry about the delay! looking..
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Issue Time Tracking
-------------------
Worklog Id: (was: 593021)
Time Spent: 5h 10m (was: 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: 5h 10m
> 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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