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https://issues.apache.org/jira/browse/BEAM-4124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675895#comment-16675895
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Robert Burke commented on BEAM-4124:
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With [GitHub Pull Request #6948|https://github.com/apache/beam/pull/6948] in,
this should no longer be an issue up to the Proto + GRPC configuration (on both
the Go SDK and Runner Harness sides) limits, until the FnAPI codification of
extremely large elements is handled.
I've filed BEAM-5977 for subsequent benchmarking and performance work in this
part of the hot path.
> Support elements larger than 4 MB
> ---------------------------------
>
> Key: BEAM-4124
> URL: https://issues.apache.org/jira/browse/BEAM-4124
> Project: Beam
> Issue Type: Bug
> Components: sdk-go
> Reporter: Cody Schroeder
> Assignee: Robert Burke
> Priority: Major
> Fix For: Not applicable
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> The Go SDK harness is limited by a gRPC message size limit of 4 MB.
> https://github.com/apache/beam/blob/4a32353/sdks/go/pkg/beam/core/runtime/harness/datamgr.go#L31
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