# Is it possible to make Logstash file-output write thru tee or not use concurrent writes?

**URL:** <https://discuss.elastic.co/t/is-it-possible-to-make-logstash-file-output-write-thru-tee-or-not-use-concurrent-writes/174129>\
**Category:** Logstash\
**Created:** [March 27, 2019, 1:07pm UTC](https://discuss.elastic.co/t/is-it-possible-to-make-logstash-file-output-write-thru-tee-or-not-use-concurrent-writes/174129 "2019-03-27T13:07:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bjosve](https://avatars.discourse-cdn.com/v4/letter/b/ecae2f/32.png) [@bjosve](https://discuss.elastic.co/u/bjosve)\
**Post date:** [March 27, 2019, 1:07pm UTC](https://discuss.elastic.co/t/is-it-possible-to-make-logstash-file-output-write-thru-tee-or-not-use-concurrent-writes/174129/1 "2019-03-27T13:07:37Z")

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Hi,

A short question.

Is it possible to make Logstash file-output write thru tee or not use concurrent writes?

Best Regards,  
Bjorn

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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:** [April 24, 2019, 1:07pm UTC](https://discuss.elastic.co/t/is-it-possible-to-make-logstash-file-output-write-thru-tee-or-not-use-concurrent-writes/174129/2 "2019-04-24T13:07:38Z")

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