Recommend increasing memory for Docker for Mac
@@ -43,6 +43,10 @@ broken.
`hadoop-master`, `mysql`, `postgres`, `cassandra`, `presto-master`.
They should point to your external IP address (shown by `ifconfig` on your Mac (not inside docker)).
+* The default memory setting of 2GB might not be sufficient for some profiles like `singlenode-ldap`.
+You may need 4-8 GB or even more to run certain tests. You can increase Docker memory by going to
+Docker Preferences -> Advanced -> Memory.
+
### OS X using Docker Toolbox (macOS 10.8 "Mountain Lion" or newer) [NOT RECOMMENDED]
* [`VirtualBox >= 5.0`](https://www.virtualbox.org/wiki/Downloads)
