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https://issues.apache.org/jira/browse/SAMZA-901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15604659#comment-15604659
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Branislav Cogic commented on SAMZA-901:
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Posted the patch, here is the RB link:
https://reviews.apache.org/r/53163/
> SamzaAppState re-design for thread safety
> -----------------------------------------
>
> Key: SAMZA-901
> URL: https://issues.apache.org/jira/browse/SAMZA-901
> Project: Samza
> Issue Type: Sub-task
> Reporter: Jagadish
> Assignee: Branislav Cogic
>
> There are a bunch of state data structures that are publicly exposed in
> SamzaAppState. These must be made thread-safe into accessors. These public
> global variables could mutated everywhere in Samza without regard for
> safety/visibility or correctness.
> Making the SamzaAppState thread-safe will fix these potential races in code.
> Also, as Samza evolves, it is useful to provide accessors instead of exposing
> all the public variables.
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