Logstash persistent queue max capacity


I would like to know if there's a maximum for the queue size of Logstash persistent queue ?
I read that its default value is 1GB and it must not exceed the local disk size.
I wander if it can handle volumes of the size of some Tera bytes ?
Or should we rely on some messaging tool like Kafka to buffer high volumes of data ?

Thank you for your help.

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