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https://issues.apache.org/jira/browse/BEAM-3337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismaël Mejía updated BEAM-3337:
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Status: Open (was: Triage Needed)
> Create an Executable Graph representation in the Universal Local Runner
> -----------------------------------------------------------------------
>
> Key: BEAM-3337
> URL: https://issues.apache.org/jira/browse/BEAM-3337
> Project: Beam
> Issue Type: Bug
> Components: runner-core
> Reporter: Thomas Groh
> Priority: Major
> Labels: portability
>
> This represents the entirety of a Pipeline, divided into executable stages
> which are executed in either the runner or within a user container. This
> representation must include the ports over which the SDK harness communicates
> to the runner.
> The construction of this graph likely includes most of the nodes present
> within the Runner API graph (PTransform and PCollection), but injects
> additional nodes to represent a remote read or write between harnesses.
> Simple fusion (naive producer/consumer and sibling fusion) also should be
> performed here.
> This will also require rewriting some boundary coders (e.g. runner -> SDK
> Harness and vice versa) to be agnostic to the language of the runner harness,
> likely by converting into length-prefixed bytes.
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