# Error kibana

**URL:** <https://discuss.elastic.co/t/error-kibana/134639>\
**Category:** Elasticsearch\
**Created:** [June 5, 2018, 2:26pm UTC](https://discuss.elastic.co/t/error-kibana/134639 "2018-06-05T14:26:40Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ahmed\_charafouddine](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahmed_charafouddine/32/45129_2.png) [@ahmed\_charafouddine](https://discuss.elastic.co/u/ahmed_charafouddine)\
**Post date:** [June 5, 2018, 2:26pm UTC](https://discuss.elastic.co/t/error-kibana/134639/1 "2018-06-05T14:26:40Z")

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Courier Fetch: 311 of 4228 shards failed.

why ?

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**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:** [June 5, 2018, 2:54pm UTC](https://discuss.elastic.co/t/error-kibana/134639/2 "2018-06-05T14:54:40Z")

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May be have a look at your elasticsearch logs.

I feel like you have a way too many shards...

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...

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<div class="post-metadata">

**Author:** ![ahmed\_charafouddine](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahmed_charafouddine/32/45129_2.png) [@ahmed\_charafouddine](https://discuss.elastic.co/u/ahmed_charafouddine)\
**Post date:** [June 5, 2018, 3:04pm UTC](https://discuss.elastic.co/t/error-kibana/134639/3 "2018-06-05T15:04:27Z")

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Merci @dadoonet, je vais regarder si ça peut effectivement résoudre mon problème.

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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:** [July 3, 2018, 3:04pm UTC](https://discuss.elastic.co/t/error-kibana/134639/4 "2018-07-03T15:04:30Z")

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