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https://issues.apache.org/jira/browse/BEAM-5987?focusedWorklogId=171493&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-171493
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ASF GitHub Bot logged work on BEAM-5987:
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Author: ASF GitHub Bot
Created on: 03/Dec/18 09:08
Start Date: 03/Dec/18 09:08
Worklog Time Spent: 10m
Work Description: mareksimunek commented on issue #7091: [BEAM-5987]
Spark: Share cached side inputs between tasks.
URL: https://github.com/apache/beam/pull/7091#issuecomment-443638145
Run Spark ValidatesRunner
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Issue Time Tracking
-------------------
Worklog Id: (was: 171493)
Time Spent: 2h 20m (was: 2h 10m)
> Spark SideInputReader performance
> ---------------------------------
>
> Key: BEAM-5987
> URL: https://issues.apache.org/jira/browse/BEAM-5987
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Affects Versions: 2.8.0
> Reporter: David Moravek
> Assignee: David Moravek
> Priority: Major
> Fix For: 2.9.0
>
> Attachments: Screen Shot 2018-11-06 at 13.05.36.png
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> We did some profiling of a spark job and 90% of the application time was
> spent on side input deserialization.
> For spark, an easy fix is to cache materialized side inputs per bundle. This
> improved running time of the profiled job from 3 hours to 30 minutes.
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