# Persistance Queue Logstash
**URL:** https://discuss.elastic.co/t/persistance-queue-logstash/290146
**Category:** Logstash
**Created:** [November 25, 2021, 9:07am UTC](https://discuss.elastic.co/t/persistance-queue-logstash/290146 "2021-11-25T09:07:51Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@ahmed\_charafouddine](https://discuss.elastic.co/u/ahmed_charafouddine)
#### Post date: [November 25, 2021, 9:07am UTC](https://discuss.elastic.co/t/persistance-queue-logstash/290146/1 "2021-11-25T09:07:51Z")
Hello,
To better understand logstash queue persistence, we would like to know if there would be a ratio of how much (bytes) between theoretical volume (incoming volume) and practical volume (stored volume) in logstash queue persistence. I have searched hard for this information in the elastic documentation but I have the impression that this information is missing.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 23, 2021, 9:08am UTC](https://discuss.elastic.co/t/persistance-queue-logstash/290146/2 "2021-12-23T09:08:35Z")
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