# Graylog Dashboard slow

**URL:** <https://community.graylog.org/t/graylog-dashboard-slow/16172>\
**Category:** Graylog Central (peer support)\
**Created:** [July 2, 2020, 9:16am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172 "2020-07-02T09:16:15Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![remyrx](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/remyrx/32/6756_2.png) [@remyrx](https://community.graylog.org/u/remyrx)\
**Post date:** [July 2, 2020, 9:16am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/1 "2020-07-02T09:16:15Z")

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Hi,

I have a custom dashboard that is very slow to display.  
Refreshing the data is also slow.

Every time I look at the dashboard I have a process that takes 200% of CPU on the server.

Do you have an idea?

Thanks

 ![Capture d’écran 2020-07-02 à 11.07.30](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/2X/6/67f51e03e9c1a1d8f3b10caf0f6daf5c6e136d23.png)

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**Author:** ![makarands](https://avatars.discourse-cdn.com/v4/letter/m/838e76/32.png) [@makarands](https://community.graylog.org/u/makarands)\
**Post date:** [July 2, 2020, 10:00am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/2 "2020-07-02T10:00:27Z")

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@remyrx What is your Graylog and Elasticsearch server CPU and Memory resource allocation? According to snapshot your JVM for ES is 512MB and for Graylog it is 1GB. I guess you need to increase your Graylog and ES server CPU and Memory to get better performance.

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**Author:** ![remyrx](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/remyrx/32/6756_2.png) [@remyrx](https://community.graylog.org/u/remyrx)\
**Post date:** [July 2, 2020, 10:12am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/3 "2020-07-02T10:12:37Z")

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@makarands I have reset the default RAM settings for Graylog and Elasticsearch.  
The screen was during a test.  
Even with the default settings, I still have 200% CPU just in a dashboard.  
In the “Search” tab, I never have a CPU increase when I do a search with data refresh per second.

Or can we change the CPU setting for Graylog / Elasticsearch?

Is this bad aggregation manipulation in the dashboard?

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**Author:** ![makarands](https://avatars.discourse-cdn.com/v4/letter/m/838e76/32.png) [@makarands](https://community.graylog.org/u/makarands)\
**Post date:** [July 2, 2020, 10:20am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/4 "2020-07-02T10:20:48Z")

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@remyrx Yes you need to increase CPU for better performance according to current usage percentage. You can also take look ate below link where you will aware about "How many shards should require to your ES server.  
See [https://www.elastic.co/blog/how-many-shards-should-i-have-in-my-elasticsearch-cluster](https://www.elastic.co/blog/how-many-shards-should-i-have-in-my-elasticsearch-cluster)

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**Author:** ![remyrx](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/remyrx/32/6756_2.png) [@remyrx](https://community.graylog.org/u/remyrx)\
**Post date:** [July 2, 2020, 10:38am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/5 "2020-07-02T10:38:29Z")

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@makarands I put a single index with the number of messages according to my needs.  
It’s already better 🙂

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [July 16, 2020, 10:38am UTC](https://community.graylog.org/t/graylog-dashboard-slow/16172/6 "2020-07-16T10:38:37Z")

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Closed on July 16, 2020, 10:38am UTC

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