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https://issues.apache.org/jira/browse/KAFKA-16381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-16381.
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Fix Version/s: 3.8.0
Resolution: Fixed
> use volatile to guarantee KafkaMetric#config visibility across threads
> ----------------------------------------------------------------------
>
> Key: KAFKA-16381
> URL: https://issues.apache.org/jira/browse/KAFKA-16381
> Project: Kafka
> Issue Type: Bug
> Reporter: Johnny Hsu
> Assignee: Johnny Hsu
> Priority: Minor
> Fix For: 3.8.0
>
>
> In KafkaMetirc.java, the getter is
> ```
> @Override
> public MetricName metricName() {
> return this.metricName;
> }
> ```
> and there is a setter
> ```
> public void config(MetricConfig config) {
> synchronized (lock) {
> this.config = config;
> }
> }
> ```
> Since it's possible to set and get in the mean time, we should have lock in
> the getter as well
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