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https://issues.apache.org/jira/browse/APEXCORE-482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandesh reassigned APEXCORE-482:
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Assignee: (was: Sandesh)
> Default Unifiers should be ThreadLocal with downstream operators
> ----------------------------------------------------------------
>
> Key: APEXCORE-482
> URL: https://issues.apache.org/jira/browse/APEXCORE-482
> Project: Apache Apex Core
> Issue Type: Improvement
> Reporter: Sandesh
>
> Default Unifiers are currently deployed ( except in Mx1 ) as CONTAINER_LOCAL
> with the downstream operator. It is better to make it THREAD_LOCAL to improve
> the performance.
> Custom unifiers can still be CONTAINER_LOCAL and possibly allow the users to
> control the behaviours.
> Note: Created a prototype to understand the root cause :
> https://github.com/sandeshh/apex-core/commit/550f31c770b704360c813924e85a9fffeaec7c53
> During PhysicalPlan creation downstream operator's input port won't have
> stream locality assigned. So StreamingContainerAgent assigns CONTAINER_LOCAL
> Actual implementation should be done in Physical Plan.
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