[jira] [Assigned] (KAFKA-4249) Document how to customize GC logging options for broker

["Evgeny Veretennikov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-4249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evgeny Veretennikov reassigned KAFKA-4249:
------------------------------------------

    Assignee: Tom Bentley

> Document how to customize GC logging options for broker
> -------------------------------------------------------
>
>                 Key: KAFKA-4249
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4249
>             Project: Kafka
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 0.10.0.1
>            Reporter: Jim Hoagland
>            Assignee: Tom Bentley
>
> We wanted to enable GC logging for Kafka broker and saw that you can set GC_LOG_ENABLED=true.  However, this didn't do what we wanted.  For example, the GC log will be overwritten every time the broker gets restarted.  It wasn't clear how we could do that (no documentation of it that I can find), so I did some research by looking at the source code and did some testing and found that KAFKA_GC_LOG_OPTS could be set with alternate JVM options prior to starting broker.  I posted my solution to StackOverflow:
>   http://stackoverflow.com/questions/39854424/how-to-enable-gc-logging-for-apache-kafka-brokers-while-preventing-log-file-ove
> (feel free to critique)
> That solution is now public, but it seems like the Kafka documentation should say how to do this.



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