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From "Stefan Mendoza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-620) Reduce "isn't a known config" warnings by slimming down ConsumerConfig properties
Date Wed, 14 Sep 2016 16:45:21 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15490897#comment-15490897
] 

Stefan Mendoza commented on CRUNCH-620:
---------------------------------------

Running {{mvn clean install}} on master at the [CRUNCH-617 commit|https://github.com/apache/crunch/commit/e8d2a69b6df297f02dfe45053d0a72f6f32cd524]
resulted in the phrases "WARN  org.apache.kafka.clients.consumer.ConsumerConfig" and "was
supplied but isn't a known config." showing up *17159 times* in the output.

Running {{mvn clean install}} after applying the patch resulted in these warnings occurring
*111 times*.

> Reduce "isn't a known config" warnings by slimming down ConsumerConfig properties
> ---------------------------------------------------------------------------------
>
>                 Key: CRUNCH-620
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-620
>             Project: Crunch
>          Issue Type: Improvement
>    Affects Versions: 0.14.0
>            Reporter: Stefan Mendoza
>              Labels: kafka
>
> When Consumers are created, many unused properties are brought into the Consumers that
aren't used and this results in a large amount of warnings with the format defined at [1].
The properties used to create the Consumers should be filtered to suppress these warnings.
> [1] https://github.com/apache/kafka/blob/0.9.0.1/clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java#L173



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