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https://issues.apache.org/jira/browse/BEAM-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Axel Magnuson resolved BEAM-3976.
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Resolution: Not A Problem
Fix Version/s: Not applicable
> SdkHarnessClient is thread-safe
> -------------------------------
>
> Key: BEAM-3976
> URL: https://issues.apache.org/jira/browse/BEAM-3976
> Project: Beam
> Issue Type: Bug
> Components: runner-core
> Reporter: Ben Sidhom
> Assignee: Axel Magnuson
> Priority: Major
> Fix For: Not applicable
>
>
> In general, we want to share access to a given SDK harness among multiple
> runner workers as a way to amortize container startup and resource costs.
> Because control messages are multiplexed over the same shared control
> connection, this sharing currently requires external locking on the same
> shared lock object. This is error-prone and difficult to verify. The
> SdkHarnesClient should use internal mechanisms to provide thread-safety.
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