# Logstash multiple pipelines processing

**URL:** <https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392>\
**Category:** Logstash\
**Created:** [July 23, 2020, 7:05pm UTC](https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392 "2020-07-23T19:05:29Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![FranB](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/franb/32/72719_2.png) [@FranB](https://discuss.elastic.co/u/FranB)\
**Post date:** [July 23, 2020, 7:05pm UTC](https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392/1 "2020-07-23T19:05:29Z")

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Hello, i have this doubt:

if i have 4 pipelines in the pipelines.yml file, one instance of logstash will process and output at the same time/in parallel for those 4 different type of pipelines or will they work as the files come one at a time?

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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [July 23, 2020, 7:09pm UTC](https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392/2 "2020-07-23T19:09:49Z")

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Each pipeline runs in its own set of threads, so they will all execute in parallel.

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<div class="post-metadata">

**Author:** ![FranB](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/franb/32/72719_2.png) [@FranB](https://discuss.elastic.co/u/FranB)\
**Post date:** [July 23, 2020, 8:27pm UTC](https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392/3 "2020-07-23T20:27:22Z")

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thanks for the quick answer.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 20, 2020, 8:31pm UTC](https://discuss.elastic.co/t/logstash-multiple-pipelines-processing/242392/4 "2020-08-20T20:31:47Z")

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