Reduce memcache logging by default

deploy/memcache-dep.yaml

@@ -22,7 +22,7 @@ spec:
         args:
         - -m 64    # Maximum memory to use, in megabytes. 64MB is default.
         - -p 11211    # Default port, but being explicit is nice.
-        - -vv    # This gets us to the level of request logs.
+        # - -vv    # Uncomment to get logs of each request and response.
         ports:
         - name: clients
           containerPort: 11211