# Logstash persistent queue max capacity
**URL:** https://discuss.elastic.co/t/logstash-persistent-queue-max-capacity/285588
**Category:** Logstash
**Created:** [September 30, 2021, 12:19pm UTC](https://discuss.elastic.co/t/logstash-persistent-queue-max-capacity/285588 "2021-09-30T12:19:27Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@samia](https://discuss.elastic.co/u/samia)
#### Post date: [September 30, 2021, 12:19pm UTC](https://discuss.elastic.co/t/logstash-persistent-queue-max-capacity/285588/1 "2021-09-30T12:19:27Z")
Hello,
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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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 28, 2021, 12:19pm UTC](https://discuss.elastic.co/t/logstash-persistent-queue-max-capacity/285588/2 "2021-10-28T12:19:48Z")
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