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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/03/24 23:14:00 UTC
[jira] [Work logged] (BEAM-14171) CoGroupByKey loses values with large groups on Dataflow v1
[ https://issues.apache.org/jira/browse/BEAM-14171?focusedWorklogId=747513&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-747513 ]
ASF GitHub Bot logged work on BEAM-14171:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Mar/22 23:13
Start Date: 24/Mar/22 23:13
Worklog Time Spent: 10m
Work Description: robertwb opened a new pull request #17180:
URL: https://github.com/apache/beam/pull/17180
Better logging in case asserts are not enabled in the worker.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 747513)
Remaining Estimate: 0h
Time Spent: 10m
> CoGroupByKey loses values with large groups on Dataflow v1
> ----------------------------------------------------------
>
> Key: BEAM-14171
> URL: https://issues.apache.org/jira/browse/BEAM-14171
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow, sdk-java-core
> Affects Versions: 2.36.0, 2.37.0
> Reporter: Niel Markwick
> Assignee: Robert Bradshaw
> Priority: P1
> Fix For: 2.38.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> CoGroupByKey can lose elements - replacing them with null values when a group is large (>10,000 elements).
>
> This only occurs in dataflow v1, not dataflow-v2 runner
> Possibly related to BEAM-13541.
>
> https://lists.apache.org/thread/5y56kbgm3q0m1byzf7186rrkomrcfldm
>
>
>
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