# Logstash error Cpu.cfs\_period\_us cannot be found

**URL:** https://discuss.elastic.co/t/logstash-error-cpu-cfs-period-us-cannot-be-found/349515
**Category:** Logstash
**Created:** [December 17, 2023, 2:31pm UTC](https://discuss.elastic.co/t/logstash-error-cpu-cfs-period-us-cannot-be-found/349515 "2023-12-17T14:31:56Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![leandrojmp](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/leandrojmp/32/107231_2.png) [@leandrojmp](https://discuss.elastic.co/u/leandrojmp)
#### Post date: [December 18, 2023, 11:43am UTC](https://discuss.elastic.co/t/logstash-error-cpu-cfs-period-us-cannot-be-found/349515/11 "2023-12-18T11:43:11Z")

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> [@Lena\_Yoon](#):
>
> this error occurs in debug mode.

It is not an error when it is logged only in DEBUG mode, turn off DEBUG mode as it is rarely needed.

Check this [post for more context](https://discuss.elastic.co/t/one-or-more-required-cgroup-files-not-found-of-cgroup/163054/2)

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