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https://issues.apache.org/jira/browse/BEAM-5391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031181#comment-17031181
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Luke Cwik commented on BEAM-5391:
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The plan is to document how names are munged by runners as described in
BEAM-3203 and ensure that runners do this. This should allow for SDKs to use
schemes like i0, i1, ... without needing to worry about the runner breaking
this except for a few expansions which will be documented.
> Use repeated fields for model for ordering of input/output/etc maps
> -------------------------------------------------------------------
>
> Key: BEAM-5391
> URL: https://issues.apache.org/jira/browse/BEAM-5391
> Project: Beam
> Issue Type: Sub-task
> Components: beam-model
> Reporter: Henning Rohde
> Assignee: Luke Cwik
> Priority: Major
> Fix For: Not applicable
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> The Go SDK uses positional side input tagging and needs the ordering. It
> cannot as easily encode it into a sequential tag ("i0", "i1", ..) because
> runners much with the naming when doing certain optimizations.
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