What is Kafka topic retention and how does it work?
Kafka topic retention refers to the duration that messages are stored in a Kafka topic. It determines how long messages remain available for consumption before they are deleted.
How can I configure the retention period for a Kafka topic?
You can configure the retention period by setting the retention.ms
property in the topic configuration. This value is specified in milliseconds.
What happens if I set the retention period too short?
If the retention period is set too short, messages may be deleted before consumers have a chance to read them, leading to data loss.
Can I change the retention settings after the topic is created?
Yes, you can change the retention settings for a Kafka topic at any time using the ALTER
command.
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