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https://issues.apache.org/jira/browse/KAFKA-3934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Henke updated KAFKA-3934:
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Status: Patch Available (was: Open)
> kafka-server-start.sh enables GC by default with no way to disable
> ------------------------------------------------------------------
>
> Key: KAFKA-3934
> URL: https://issues.apache.org/jira/browse/KAFKA-3934
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.2.0
> Reporter: Grant Henke
> Assignee: Grant Henke
>
> In KAFKA-1127 the following line was added to kafka-server-start.sh:
> {noformat}
> EXTRA_ARGS="-name kafkaServer -loggc"
> {noformat}
> This prevents gc logging from being disabled without some unusual environment
> variable workarounds.
> I suggest EXTRA_ARGS is made overridable like below:
> {noformat}
> if [ "x$EXTRA_ARGS" = "x" ]; then
> export EXTRA_ARGS="-name kafkaServer -loggc"
> fi
> {noformat}
> *Note:* I am also not sure I understand why the existing code uses the "x"
> thing when checking the variable instead of the following:
> {noformat}
> export EXTRA_ARGS=${EXTRA_ARGS-'-name kafkaServer -loggc'}
> {noformat}
> This lets the variable be overridden to "" without taking the default.
> *Workaround:* As a workaround the user should be able to set
> $KAFKA_GC_LOG_OPTS to fit their needs. Since kafka-run-class.sh will not
> ignore the -loggc parameter if that is set.
> {noformat}
> -loggc)
> if [ -z "$KAFKA_GC_LOG_OPTS" ]; then
> GC_LOG_ENABLED="true"
> fi
> shift
> {noformat}
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