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Posted to commits@samza.apache.org by "Boris Shkolnik (JIRA)" <ji...@apache.org> on 2017/03/10 21:54:04 UTC
[jira] [Assigned] (SAMZA-1134) simplify ZK barrier for version
upgrade.
[ https://issues.apache.org/jira/browse/SAMZA-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Boris Shkolnik reassigned SAMZA-1134:
-------------------------------------
Assignee: Boris Shkolnik
> simplify ZK barrier for version upgrade.
> ----------------------------------------
>
> Key: SAMZA-1134
> URL: https://issues.apache.org/jira/browse/SAMZA-1134
> Project: Samza
> Issue Type: Sub-task
> Reporter: Boris Shkolnik
> Assignee: Boris Shkolnik
> Fix For: 0.13.0
>
>
> Currently the barrier protects against overwriting the barrier_done value, by multiple attempts of reading and writing (while verifying the previously read data version), but since there is only one writer, this logic could be simplified to a single check and an exception.
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