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From "Apurva Mehta (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (KAFKA-4558) throttling_test fails if the producer starts too fast.
Date Tue, 10 Jan 2017 00:49:58 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-4558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on KAFKA-4558 started by Apurva Mehta.
-------------------------------------------
> throttling_test fails if the producer starts too fast.
> ------------------------------------------------------
>
>                 Key: KAFKA-4558
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4558
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Apurva Mehta
>            Assignee: Apurva Mehta
>
> As described in https://issues.apache.org/jira/browse/KAFKA-4526, the throttling test
will fail if the producer in the produce-consume-validate loop starts up before the consumer
is fully initialized.
> We need to block the start of the producer until the consumer is ready to go. 
> The current plan is to poll the consumer for a particular metric (like, for instance,
partition assignment) which will act as a good proxy for successful initialization. Currently,
we just check for the existence of a process with the PID, which is not a strong enough check,
causing the test to fail intermittently. 



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