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https://issues.apache.org/jira/browse/BEAM-4231?focusedWorklogId=98056&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-98056
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ASF GitHub Bot logged work on BEAM-4231:
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Author: ASF GitHub Bot
Created on: 03/May/18 22:06
Start Date: 03/May/18 22:06
Worklog Time Spent: 10m
Work Description: bsidhom commented on issue #5274: [BEAM-4231] Runner
utility for coder instantiation
URL: https://github.com/apache/beam/pull/5274#issuecomment-386451775
R: @tgroh
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Issue Time Tracking
-------------------
Worklog Id: (was: 98056)
Time Spent: 20m (was: 10m)
> Runner utility for Coder instantiation
> --------------------------------------
>
> Key: BEAM-4231
> URL: https://issues.apache.org/jira/browse/BEAM-4231
> Project: Beam
> Issue Type: Bug
> Components: runner-core
> Reporter: Ben Sidhom
> Assignee: Ben Sidhom
> Priority: Minor
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Portable runners need to instantiate coders for communicating with SDK
> harnesses in a consistent way. They cannot simply instantiate coders as
> defined by PCollections because some component coders may only be known to
> specific SDKs. Unknown coders should be length-prefixed; the underlying
> elements should only be exposed to runners as byte strings.
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