// Module included in the following assemblies:
//
// * logging/cluster-logging-deploy.adoc

[id="cluster-logging-deploy-memory_{context}"]
= Configure memory for Elasticsearch instances

By default, the amount of RAM allocated to each ES instance is 16GB. You can change this value as needed.

Keep in mind that *half* of this value will be passed to the individual
Elasticsearch pods java processes
link:https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html#_give_half_your_memory_to_lucene[heap
size].

.Procedure