[jira] [Resolved] (KAFKA-4558) throttling_test fails if the producer starts too fast.

["Ismael Juma (JIRA)" <ji...@apache.org>]

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

Ismael Juma resolved KAFKA-4558.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10.2.0

Issue resolved by pull request 2347
[https://github.com/apache/kafka/pull/2347]

> 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
>             Fix For: 0.10.2.0
>
>
> 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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