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https://issues.apache.org/jira/browse/BEAM-5092?focusedWorklogId=137522&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-137522
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ASF GitHub Bot logged work on BEAM-5092:
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Author: ASF GitHub Bot
Created on: 23/Aug/18 18:22
Start Date: 23/Aug/18 18:22
Worklog Time Spent: 10m
Work Description: reuvenlax opened a new pull request #6268: [BEAM-5092]
Prevent hash-lookup of schema on every record
URL: https://github.com/apache/beam/pull/6268
In many cases, we know that an instance of FieldValueGetterFactory is always
called with the same type. In this scenario, we can cache the value of the
first call.
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Issue Time Tracking
-------------------
Worklog Id: (was: 137522)
Time Spent: 7h 50m (was: 7h 40m)
> Nexmark 10x performance regression
> ----------------------------------
>
> Key: BEAM-5092
> URL: https://issues.apache.org/jira/browse/BEAM-5092
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Andrew Pilloud
> Assignee: Reuven Lax
> Priority: Critical
> Time Spent: 7h 50m
> Remaining Estimate: 0h
>
> There looks to be a 10x performance hit on the DirectRunner and Flink nexmark
> jobs. It first showed up in this build:
> [https://builds.apache.org/view/A-D/view/Beam/job/beam_PostCommit_Java_Nexmark_Direct/151/changes]
> [https://apache-beam-testing.appspot.com/explore?dashboard=5084698770407424]
> [https://apache-beam-testing.appspot.com/explore?dashboard=5699257587728384]
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