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https://issues.apache.org/jira/browse/KAFKA-7707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-7707.
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Resolution: Not A Problem
> Some code is not necessary
> --------------------------
>
> Key: KAFKA-7707
> URL: https://issues.apache.org/jira/browse/KAFKA-7707
> Project: Kafka
> Issue Type: Improvement
> Reporter: huangyiming
> Priority: Minor
> Attachments: image-2018-12-05-18-01-46-886.png
>
>
> In the trunk branch in
> [BufferPool.java|https://github.com/apache/kafka/blob/578205cadd0bf64d671c6c162229c4975081a9d6/clients/src/main/java/org/apache/kafka/clients/producer/internals/BufferPool.java#L174],
> i think the code can clean,is not necessary,it will never execute
> {code:java}
> if (!(this.nonPooledAvailableMemory == 0 && this.free.isEmpty()) &&
> !this.waiters.isEmpty())
> this.waiters.peekFirst().signal();
> {code}
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