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https://issues.apache.org/jira/browse/BEAM-728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17546177#comment-17546177
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Kenneth Knowles commented on BEAM-728:
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This issue has been migrated to https://github.com/apache/beam/issues/18063
> Javadoc should clearly separate facts from runner requirements
> --------------------------------------------------------------
>
> Key: BEAM-728
> URL: https://issues.apache.org/jira/browse/BEAM-728
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Frances Perry
> Priority: P3
> Labels: Clarified
>
> The javadoc for View.asMap() says the map needs to fit in memory. That's not
> true in all runners. (For example, Dataflow has distributed map support.)
> https://github.com/apache/incubator-beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/View.java
> This is likely just one specific case of a more general issue -- different
> runners will have common constraints on the scalability of portions of the
> model. Currently these are documented in the capability matrix on the
> website, but for usability we should consider surfacing these constraints on
> particularly relevant methods. But keeping things in sync in multiple
> locations is hard...
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