Returns an object containing information about memory usage.
modestringoptionalcurl --user myuser --data-binary '{"jsonrpc":"1.0","id":"1","method":"getmemoryinfo","params":[]}' -H 'content-type:text/plain;' http://127.0.0.1:8332/{
"locked": {
"used": 65536,
"free": 0,
"total": 65536,
"locked": 65536
}
}