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https://issues.apache.org/jira/browse/SAMZA-1643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jagadish closed SAMZA-1643.
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> StreamPartitionCountMonitor should only restart/shut down the job if
> partition count increases
> ----------------------------------------------------------------------------------------------
>
> Key: SAMZA-1643
> URL: https://issues.apache.org/jira/browse/SAMZA-1643
> Project: Samza
> Issue Type: Bug
> Reporter: Prateek Maheshwari
> Assignee: Prateek Maheshwari
> Priority: Major
>
> Make StreamPartitionCountMonitor less aggressive and only restart (stateless)
> or shut down (stateful) the job if partition count increases.
> In some versions of KafkaConsumer, partitionFor(topic) can return a count
> lower than the configured number of partitions if the broker it asks has
> recently restarted.
> The only downside of not restarting the job on partition count decreases is
> that some containers may be idle.
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