JVM heap recommandation

Elastic Stack Elasticsearch
1

Hi,

I would like to know what is you recommendation for the JVM heap size of a elastic node ?

I run the elastic stack on docker, I will have approximatively 200 indices (200 shards) of 25gb.

2

You will probably want to start at 16GB.

3

Thank you for your response.

Just to be sure, the JVM heap requirements is proportional to my index size or more by indexing rate ?

I am making some test with juste 512mb of JVM heap and I don't have a problem for indexing more than 300.000 documents/minutes and no lag for searching them (but I have just 30gb of documents)

4

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