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https://issues.apache.org/jira/browse/KAFKA-19080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17940498#comment-17940498
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黃竣陽 commented on KAFKA-19080:
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Hello [~junrao], If you won't work on this, may I take it?
> The constraint on segment.ms is not enforced at topic level
> -----------------------------------------------------------
>
> Key: KAFKA-19080
> URL: https://issues.apache.org/jira/browse/KAFKA-19080
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 4.0.0
> Reporter: Jun Rao
> Priority: Major
>
> [https://cwiki.apache.org/confluence/display/KAFKA/KIP-1030%3A+Change+constraints+and+default+values+for+various+configurations]
> sets a new constraint (at least 1MB) on segment.bytes. This is implemented
> in [https://github.com/apache/kafka/pull/18140.] However, it doesn't seem to
> be enforced at the topic level.
> {code:java}
> bash-3.2$ bin/kafka-configs.sh --alter --bootstrap-server localhost:9092
> --topic test --add-config segment.bytes=1000
> Completed updating config for topic test.
> bash-3.2$ bin/kafka-configs.sh --describe --bootstrap-server localhost:9092
> --topic test
> Dynamic configs for topic test are:
> segment.bytes=1000 sensitive=false
> synonyms={DYNAMIC_TOPIC_CONFIG:segment.bytes=1000,
> STATIC_BROKER_CONFIG:log.segment.bytes=1073741824,
> DEFAULT_CONFIG:log.segment.bytes=1073741824} {code}
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