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https://issues.apache.org/jira/browse/SAMZA-1129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinyu Liu updated SAMZA-1129:
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Summary: Add pluggable CoordinationService (was: Add plugable
CoordinationService)
> Add pluggable CoordinationService
> ---------------------------------
>
> Key: SAMZA-1129
> URL: https://issues.apache.org/jira/browse/SAMZA-1129
> Project: Samza
> Issue Type: New Feature
> Reporter: Xinyu Liu
> Assignee: Boris Shkolnik
>
> In the local deployment mode, coordination is needed for the following
> scenarios:
> 1) Coordination on the job level: we need leader elector to generate the job
> model, and a barrier for all the followers to receive the job model after
> generation.
> 2) Coordination on the app level: we need leader elector to generate the
> intermediate streams, and a latch for all the processors to start after that.
> A plugable CoordinationService can be shared for these use cases of group
> coordination. Samza will provide a Zk-based CoordinationService that can be
> used to construct the leader elector and latch.
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