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https://issues.apache.org/jira/browse/SAMZA-353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Kleppmann updated SAMZA-353:
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Fix Version/s: (was: 0.8.0)
0.9.0
> Support assigning the same SSP to multiple tasknames
> ----------------------------------------------------
>
> Key: SAMZA-353
> URL: https://issues.apache.org/jira/browse/SAMZA-353
> Project: Samza
> Issue Type: Bug
> Components: container
> Affects Versions: 0.8.0
> Reporter: Jakob Homan
> Labels: design
> Fix For: 0.9.0
>
> Attachments: DESIGN-SAMZA-353-0.md, DESIGN-SAMZA-353-0.pdf
>
>
> Post SAMZA-123, it is possible to add the same SSP to multiple tasknames,
> although currently we check for this and error out if this is done. We
> should think through the implications of having the same SSP appear in
> multiple tasknames and support this if it makes sense.
> This could be used as a broadcast stream that's either added by Samza itself
> to each taskname, or individual groupers could do this as makes sense. Right
> now the container maintains a map of SSP to TaskInstance and delivers the ssp
> to that task instance. With this change, we'd need to change the map to SSP
> to Set[TaskInstance] and deliver the message to each TI in the set.
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