# Elasticsearch memory data ratio recommendations for logging use case

**URL:** <https://discuss.elastic.co/t/elasticsearch-memory-data-ratio-recommendations-for-logging-use-case/334076>\
**Category:** Elasticsearch\
**Created:** [May 23, 2023, 6:15am UTC](https://discuss.elastic.co/t/elasticsearch-memory-data-ratio-recommendations-for-logging-use-case/334076 "2023-05-23T06:15:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Farah\_Bhr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/farah_bhr/32/82537_2.png) [@Farah\_Bhr](https://discuss.elastic.co/u/Farah_Bhr)\
**Post date:** [May 23, 2023, 6:15am UTC](https://discuss.elastic.co/t/elasticsearch-memory-data-ratio-recommendations-for-logging-use-case/334076/1 "2023-05-23T06:15:43Z")

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Hello ,  
I am planning to create an Elasticsearch Cluster for logging and metrics purpose  
I am using time-based indexes  
I want to calculate the optimal data nodes and shards this cluster requires  
The logs reach a maximum of 150GB per day

I am referring to this blog to specify my cluster requirements [Benchmarking and sizing your Elasticsearch cluster for logs and metrics | Elastic Blog](https://www.elastic.co/blog/benchmarking-and-sizing-your-elasticsearch-cluster-for-logs-and-metrics)  
But I didn't know what the value of memory data ratio should be

If you have any recommendations for the value of memory data ratio in my use case to help me calculate the required data nodes

Thanks in advance

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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:** [June 20, 2023, 6:16am UTC](https://discuss.elastic.co/t/elasticsearch-memory-data-ratio-recommendations-for-logging-use-case/334076/2 "2023-06-20T06:16:24Z")

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