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https://issues.apache.org/jira/browse/BEAM-3673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Sidhom reassigned BEAM-3673:
--------------------------------
Assignee: Axel Magnuson
> FlinkRunner: Harness manager for connecting operators to SDK Harnesses
> ----------------------------------------------------------------------
>
> Key: BEAM-3673
> URL: https://issues.apache.org/jira/browse/BEAM-3673
> Project: Beam
> Issue Type: Sub-task
> Components: runner-flink
> Reporter: Ben Sidhom
> Assignee: Axel Magnuson
> Priority: Major
>
> SDK harnesses require a common set of gRPC services to operate. The role of
> the harness manager is to provide a uniform interface that multiplexes data
> streams and auxiliary data between SDK environments and operators within a
> given job.
> Note that multiple operators may communicate with a single SDK environment to
> amortize container initialization cost. Environments are _not_ shared between
> different jobs.
> The initial implementation will shell out to local docker, but the harness
> manager should eventually support working with externally-managed
> environments (e.g., created by Kubernetes).
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