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Posted to issues@beam.apache.org by "Chamikara Madhusanka Jayalath (Jira)" <ji...@apache.org> on 2021/09/27 23:56:03 UTC
[jira] [Commented] (BEAM-12047) Create a URN convention for
cross-language transforms
[ https://issues.apache.org/jira/browse/BEAM-12047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17421094#comment-17421094 ]
Chamikara Madhusanka Jayalath commented on BEAM-12047:
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Mailing list thread: https://lists.apache.org/thread.html/r02a9d9c0b56c997517fc4b858ae56c220f7d8a8230f9be27d1ba36f4%40%3Cdev.beam.apache.org%3E
Approved design doc: https://docs.google.com/document/d/1JOHPBNv6x6ziMdwr_96EPSP-Bx7C4IrLU1j267MSCts/edit?usp=sharing
> Create a URN convention for cross-language transforms
> -----------------------------------------------------
>
> Key: BEAM-12047
> URL: https://issues.apache.org/jira/browse/BEAM-12047
> Project: Beam
> Issue Type: New Feature
> Components: beam-model, cross-language
> Reporter: Chamikara Madhusanka Jayalath
> Assignee: Chamikara Madhusanka Jayalath
> Priority: P2
>
> Transform authors have to define URNs when defining new cross-language transforms.
> See here for documentation related to this: [https://beam.apache.org/documentation/programming-guide/#create-x-lang-transforms]
>
> Some example URNs used today.
> Kafka read: "beam:external:java:kafka:read:v1"
> Kafka write: "beam:external:java:kafka:write:v1"
> SQL: "beam:external:java:sql:v1"
>
> Currently this URN is defined by the cross-language transform author (or whoever coverts a given transform to a cross-language transform). They can choose arbitrary URNs.
>
> This is OK as long as we only have few cross-language transforms and as long as we do not deploy transforms with conflicting URNs in the same expansion service but as usage of cross-language transforms increase we could run into conflicts due to this.
>
> We should define a convention so that a cross-language transform author can define a URN that will not run into URNs selected by other cross-language transform authors.
>
>
>
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