README: Bump sysctl limits

README.md

@@ -173,6 +173,13 @@ net.ipv4.conf.all.accept_redirects  = 0
 net.bridge.bridge-nf-call-iptables  = 1
 net.ipv4.ip_forward                 = 1
 net.bridge.bridge-nf-call-ip6tables = 1
+
+# Elasticsearch needs this
+vm.max_map_count                    = 524288
+
+# Bump inotify limits to make sure
+fs.inotify.max_user_instances=1280
+fs.inotify.max_user_watches=655360
 EOF
 sysctl --system