# ELK Limits, config tips, high CPU usage, cluster (newbie)

**URL:** <https://discuss.elastic.co/t/elk-limits-config-tips-high-cpu-usage-cluster-newbie/116410>\
**Category:** Elasticsearch\
**Created:** [January 21, 2018, 10:52pm UTC](https://discuss.elastic.co/t/elk-limits-config-tips-high-cpu-usage-cluster-newbie/116410 "2018-01-21T22:52:22Z")\
**Posts on this page:** 1\
**Showing post:** 11

<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [January 22, 2018, 9:41pm UTC](https://discuss.elastic.co/t/elk-limits-config-tips-high-cpu-usage-cluster-newbie/116410/11 "2018-01-22T21:41:02Z")

</div>

May I suggest you look at the following resources about sizing:

[https://www.elastic.co/elasticon/conf/2016/sf/quantitative-cluster-sizing](https://www.elastic.co/elasticon/conf/2016/sf/quantitative-cluster-sizing)

> **[How many shards should I have in my Elasticsearch cluster?
	  	 | Elastic](https://www.elastic.co/blog/how-many-shards-should-i-have-in-my-elasticsearch-cluster)**
>
> Elasticsearch is a very versatile platform, that supports a variety of use cases, and provides great flexibility around data organisation and replication strategies. This flexibility can however somet...

> **[NetSecureDay: Managing your Black Friday Logs](https://speakerdeck.com/elastic/netsecureday-managing-your-black-friday-logs)**
>
> Surveiller une application complexe n’est pas une tâche aisée, mais avec les bons outils, ce n’est pas si sorcier. Néanmoins, des périodes fortes telles que les opérations de type « Black Friday » (Vendredi noir) ou période de Noël peuvent pousser...

---

_[View the full topic](https://discuss.elastic.co/t/elk-limits-config-tips-high-cpu-usage-cluster-newbie/116410)._