Why do we have 64 GB limit for per node in cluster ?

Best practice has long been to keep the heap size below 32GB to benefit from compressed pointers and assign 50% of the available memory available to Elasticsearch to the heap. Based on this best practice the maximum node size is 64GB RAM. Elastic Cloud, which the blog post refers to, follows best pr…

64 Gb limit for per NODE

Elastic Stack Elasticsearch

Christian_Dahlqvist (Christian Dahlqvist) November 28, 2022, 8:14pm 6

I will leave it to someone from Elastic to comment on this as it is about commercials and licenses.

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64 Gb limit for per NODE

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