[jira] [Created] (SAMZA-790) SystemConsumer should have more rigorous runtime state management during the life-cycle

["Yi Pan (Data Infrastructure) (JIRA)" <ji...@apache.org>]

Yi Pan (Data Infrastructure) created SAMZA-790:
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             Summary: SystemConsumer should have more rigorous runtime state management during the life-cycle
                 Key: SAMZA-790
                 URL: https://issues.apache.org/jira/browse/SAMZA-790
             Project: Samza
          Issue Type: Bug
            Reporter: Yi Pan (Data Infrastructure)


There have been multiple cases (e.g. SAMZA-778, SAMZA-789) that we observed that the SystemConsumer does not behave as expected, if the following methods are not called in a certain sequence:
{code}
register()
start()
poll()
stop()
{code}

We should enforce a state management to restrict the above methods to be only called in certain conditions. This would allow a much better control over how the users call the SystemConsumer functions.



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