Good day,

I'm wondering a bit about the effects of changing the log.retention
setting, be it in the configuration or on-the-fly via ZooKeeper, will it
apply to already existing log segments, or only for new ones?

For example, we have a default of 12 hours, if I change the value to 24
hours in the configuration file and then bounce all of the brokers, will
the brokers still remove "old" log segments (ones created before the
restart) after 12 hours, or will the new setting of 24 hours apply
immediately?

Best regards,
Mathias

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