Elasticsearch reports default heap memory size after setting environment variable

Question

In attempt to increase JVM heap size for Elasticsearch on a Windows box, I defined the following environment variable:

ES_HEAP_SIZE=6g

(The machine has 12G R

Answer 1

To avoid service re-install you can directly change values in registry. They are a bit tricky to find:

Of course, you have to restart the service after changing these settings.