# CPU Utilisation going high at 99%

**URL:** <https://discuss.elastic.co/t/cpu-utilisation-going-high-at-99/71321>\
**Category:** Elasticsearch\
**Created:** [January 12, 2017, 6:31am UTC](https://discuss.elastic.co/t/cpu-utilisation-going-high-at-99/71321 "2017-01-12T06:31:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sari.reach](https://avatars.discourse-cdn.com/v4/letter/s/e19b73/32.png) [@sari.reach](https://discuss.elastic.co/u/sari.reach)\
**Post date:** [January 12, 2017, 6:31am UTC](https://discuss.elastic.co/t/cpu-utilisation-going-high-at-99/71321/1 "2017-01-12T06:31:15Z")

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I have a single node with default shards. I have the indexes created for logs on a daily basis. I get CPU Utilization going high at 99%. How do I analyse this? Is this because there are 5 default shards on a single node and there are lot of serial memory operations happening which is making CPU loaded

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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:** [February 9, 2017, 6:31am UTC](https://discuss.elastic.co/t/cpu-utilisation-going-high-at-99/71321/2 "2017-02-09T06:31:46Z")

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Closed on February 9, 2017, 6:31am UTC

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