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https://issues.apache.org/jira/browse/KAFKA-4249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16056109#comment-16056109
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ASF GitHub Bot commented on KAFKA-4249:
---------------------------------------
GitHub user tombentley opened a pull request:
https://github.com/apache/kafka/pull/3386
KAFKA-4249: Document how to customize GC logging options for broker
Document the KAFKA_GC_LOG_OPTS environment variable as well as the
common `kafka-run-class.sh` options.
The contribution is my original work and I license the work to the project
under the project's open source license.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tombentley/kafka KAFKA-4249
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3386.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3386
----
commit e7b95ae04a7c833aa66efdc75397c36ede5ad1b2
Author: Tom Bentley <[email protected]>
Date: 2017-06-20T17:12:01Z
KAFKA-4249: Document how to customize GC logging options for broker
Document the KAFKA_GC_LOG_OPTS environment variable as well as the
common `kafka-run-class.sh` options.
----
> 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
>
> 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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