删除主题级别配置 [英] Delete topic level config

问题描述

为了删除主题中的所有数据，我将它的retention.ms 配置设置为 1000.

In order to delete all of the data in a topic I set the retention.ms config of it to 1000.

./bin/kafka-topics.sh --zookeeper $KAFKAZKHOSTS --alter --topic <topic> --config retention.ms=1000

这工作得很好.等待很短的时间后，所有数据都被删除了.

This worked fine. All the data was deleted after a very short wait.

在更改配置之前，retention.ms 未在主题上设置，因此服务器默认属性 log.retention.hours=168 是以前的保留策略.(未在服务器属性中设置 log.retention.minutes 和 log.retention.ms).

Before altering the config, the retention.ms was not set on the topic and so the server default property log.retention.hours=168 was the previous retention policy. (log.retention.minutes and log.retention.ms had not been set in the server properties).

现在我想从本主题中完全删除retention.ms 配置并返回使用服务器级别配置.

Now I would like to remove the retention.ms config from this topic completely and go back to using the server level config.

类似命令

./bin/kafka-topics.sh --zookeeper $KAFKAZKHOSTS --alter --topic <topic> --config retention.ms=

或

./bin/kafka-topics.sh --zookeeper $KAFKAZKHOSTS --alter --topic <topic> --config retention.ms=null

抛出一个错误.

我知道 kafka-topics.sh 的删除选项实际上会删除整个主题，所以我不会尝试使用它.

I know that the delete option for kafka-topics.sh actually deletes the entire topic, so I'm not going to try play around with that.

问题:如何完全删除主题级别配置，以便主题恢复使用服务器默认设置?

Question: How do I completely remove a topic level config so that the topic reverts to using the server default?

推荐答案

要删除主题配置覆盖，您可以使用 kafka-config 工具.例如:

To remove a topic configuration override, you can use the kafka-config tool. For example:

./bin/kafka-configs.sh --zookeeper <zookeeper> --alter \
  --entity-type topics --entity-name <topic> --delete-config retention.ms

这篇关于删除主题级别配置的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！