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https://issues.apache.org/jira/browse/KAFKA-8813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916232#comment-16916232
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Vikas Singh commented on KAFKA-8813:
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I am working on a fix for this issue. Expect a PR sometime this week.
> Race condition when creating topics and changing their configuration
> --------------------------------------------------------------------
>
> Key: KAFKA-8813
> URL: https://issues.apache.org/jira/browse/KAFKA-8813
> Project: Kafka
> Issue Type: Bug
> Reporter: Gwen Shapira
> Assignee: Vikas Singh
> Priority: Major
>
> In Partition.createLog we do:
> {code:java}
> val config = LogConfig.fromProps(logManager.currentDefaultConfig.originals,
> props)
> val log = logManager.getOrCreateLog(topicPartition, config, isNew,
> isFutureReplica)
> {code}
> https://github.com/apache/kafka/blob/33d06082117d971cdcddd4f01392006b543f3c01/core/src/main/scala/kafka/cluster/Partition.scala#L315-L316
> Config changes that arrive after configs are loaded from ZK, but before
> LogManager added the partition to `futureLogs` or `currentLogs` where the
> dynamic config handlers picks up topics to update their configs, will be lost.
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