Docker documentation on graphdb page cache

[jjkoehorst]

The command on the docker hub page:

docker run -p 127.0.0.1:7200:7200 --name graphdb-instance-name -t ontotext/graphdb:tag -Dgraphdb.global.page.cache=3G

Throws an error as the global page cache is a boolean according to graphdb.

I currently got no errors with:

-Dgraphdb.global.page.cache=true -Dgraphdb.page.cache.size=3G

but not sure if this is the best way to increase the memory for the docker image.