消息队列 CKafka 版

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文档中心消息队列 CKafka 版常见问题消息问题

消息问题

最近更新时间：2021-12-28 09:57:33

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本页目录：

剩余的未消费消息的条数是如何计算的？
是否支持自动调整消息保留时间？

剩余的未消费消息的条数是如何计算的？
计算方式为：未消费消息数量 = 最大的 offset - 提交的 offset。如下图：
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是否支持自动调整消息保留时间？
CKafka 支持添加动态消息保留策略功能，设置数据动态保留策略后，当磁盘空间使用率到达一定的比例后，会自动向前过期一定比例的数据，避免遇到用户消息猛增的情况，磁盘空间满了之后，则无法正常生产和消费。具体操作方式参见 添加动态消息保留策略。

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