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Chen, Junjie
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Chen, Junjie <chenjunjie@huawei.com> Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
16 lines
1.8 KiB
HTML
16 lines
1.8 KiB
HTML
<a name="kafka-faq-200708001"></a><a name="kafka-faq-200708001"></a>
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<h1 class="topictitle1">Why Do Messages Still Exist After the Retention Period Elapses?</h1>
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<div id="body1594171336851"><p id="kafka-faq-200708001__p8060118">If the aging time has been set for a topic, the value of the <strong id="kafka-faq-200708001__b1490419714014">log.retention.hours</strong> parameter does not take effect for the topic. The value of the <strong id="kafka-faq-200708001__b618893774012">log.retention.hours</strong> parameter takes effect only if the aging time has not been set for the topic.</p>
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<p id="kafka-faq-200708001__p52641258493"><strong id="kafka-faq-200708001__b67571318234">Possible cause 1:</strong> The segment files are in use.</p>
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<p id="kafka-faq-200708001__p183959217209"><strong id="kafka-faq-200708001__b149442157237">Solution:</strong> Wait until the segment is no longer in use or delete the topic where messages have reached their retention period.</p>
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<p id="kafka-faq-200708001__p1958173122018"><strong id="kafka-faq-200708001__b51761441337">Possible cause 2</strong>: In a topic, there is a message whose <strong id="kafka-faq-200708001__b146681117153418">CreateTime</strong> is a future time. For example, assume that it is January 1, and the <strong id="kafka-faq-200708001__b86552578348">CreateTime</strong> is February 1. The message will not be aged after 72 hours from now. As a result, messages created subsequently will also not be aged.</p>
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<p id="kafka-faq-200708001__p5506153813201"><strong id="kafka-faq-200708001__b537045154517">Solution</strong>: Delete the topic where the <strong id="kafka-faq-200708001__b181473314307">CreateTime</strong> of a message is a future time.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="kafka-faq-190416001.html">Messages</a></div>
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</div>
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</div>
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