# Logstash 100% utilization processing no logs

**URL:** <https://discuss.elastic.co/t/logstash-100-utilization-processing-no-logs/99625>\
**Category:** Logstash\
**Created:** [September 6, 2017, 6:51pm UTC](https://discuss.elastic.co/t/logstash-100-utilization-processing-no-logs/99625 "2017-09-06T18:51:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bryanm](https://avatars.discourse-cdn.com/v4/letter/b/6de8d8/32.png) [@bryanm](https://discuss.elastic.co/u/bryanm)\
**Post date:** [September 6, 2017, 6:51pm UTC](https://discuss.elastic.co/t/logstash-100-utilization-processing-no-logs/99625/1 "2017-09-06T18:51:50Z")

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I'm on Centos 7 using logstash 5.5.2-1 with java 1.8.0 openjdk. I have removed everything in the conf.d directory so logstash isn't loading any inputs or processing any logs. I have increased the heap size in jvm.options to -Xms4g and -Xmx4g. When I start the service I am seeing 4 threads sit at ~70-100% cpu utilization while memory utilization is very low. Is this normal?

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**Author:** ![sosher](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sosher/32/22454_2.png) [@sosher](https://discuss.elastic.co/u/sosher)\
**Post date:** [September 24, 2017, 10:48am UTC](https://discuss.elastic.co/t/logstash-100-utilization-processing-no-logs/99625/2 "2017-09-24T10:48:47Z")

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Hi,  
I am having the same issue, Its a fresh install on Ubuntu 17.04  
Logstash consumes 100% with nothing configured yet.

Thanks.

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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:** [October 22, 2017, 10:49am UTC](https://discuss.elastic.co/t/logstash-100-utilization-processing-no-logs/99625/3 "2017-10-22T10:49:08Z")

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