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https://issues.apache.org/jira/browse/BEAM-5519?focusedWorklogId=150062&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-150062
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ASF GitHub Bot logged work on BEAM-5519:
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Author: ASF GitHub Bot
Created on: 01/Oct/18 15:30
Start Date: 01/Oct/18 15:30
Worklog Time Spent: 10m
Work Description: iemejia commented on issue #6511: [BEAM-5519] Remove
call to groupByKey in Spark Streaming.
URL: https://github.com/apache/beam/pull/6511#issuecomment-425951531
This definitely seems like an improvement. Pinging @amitsela or @aviemzur in
case they have some historical context on why this was done the way it was.
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Issue Time Tracking
-------------------
Worklog Id: (was: 150062)
Time Spent: 40m (was: 0.5h)
> Spark Streaming Duplicated Encoding/Decoding Effort
> ---------------------------------------------------
>
> Key: BEAM-5519
> URL: https://issues.apache.org/jira/browse/BEAM-5519
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Kyle Winkelman
> Assignee: Kyle Winkelman
> Priority: Major
> Labels: spark, spark-streaming
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When using the SparkRunner in streaming mode. There is a call to groupByKey
> followed by a call to updateStateByKey. BEAM-1815 fixed an issue where this
> used to cause 2 shuffles but it still causes 2 encode/decode cycles.
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