# Backpressure Handling with new Traffic

**URL:** <https://discuss.elastic.co/t/backpressure-handling-with-new-traffic/209061>\
**Category:** Logstash\
**Created:** [November 22, 2019, 12:50pm UTC](https://discuss.elastic.co/t/backpressure-handling-with-new-traffic/209061 "2019-11-22T12:50:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![skaldenmet](https://avatars.discourse-cdn.com/v4/letter/s/a8b319/32.png) [@skaldenmet](https://discuss.elastic.co/u/skaldenmet)\
**Post date:** [November 22, 2019, 12:50pm UTC](https://discuss.elastic.co/t/backpressure-handling-with-new-traffic/209061/1 "2019-11-22T12:50:46Z")

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Hi,

I couldnt find any information on how logstash is handling new traffic when a larger persistent queue is in place. Does logstash prioritize new traffic or does new traffic get into the back of the persistent queue like FIFO? Because I look for a LIFO way of handling traffic with backpressure.

Regards

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 20, 2019, 12:51pm UTC](https://discuss.elastic.co/t/backpressure-handling-with-new-traffic/209061/2 "2019-12-20T12:51:01Z")

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