diff --git a/source/resources/apps/postgres-xl/README.md b/source/resources/apps/postgres-xl/README.md
index 8d124e1..63d6742 100644
--- a/source/resources/apps/postgres-xl/README.md
+++ b/source/resources/apps/postgres-xl/README.md
@@ -203,3 +203,8 @@ Set max connections from 100 to 1000.
 LOCATION:  StreamConnection, /home/jebba/devel/postgres-xl/build_dir/../src/gtm/libpq/pqcomm.c:351
 25497:3689674496:2018-11-27 13:55:47.067 MST -LOG:  could not accept new connection: Too many open files
 
+/etc/security/limits.d/pgxl.conf:
+XXX increase fileno (open files) limit
+* soft nofile 8192
+* hard nofile 8192
+