=== modified file 'src/docbkx/en/dhis2_implementation_guide_installation.xml'
--- src/docbkx/en/dhis2_implementation_guide_installation.xml	2012-12-09 16:41:33 +0000
+++ src/docbkx/en/dhis2_implementation_guide_installation.xml	2012-12-10 10:48:48 +0000
@@ -218,7 +218,7 @@
       <screen>http {
   # ...
   root              /home/dhis/tomcat/webapps/ROOT; # update path!
-  proxy_cache_path  /var/cache/nginx keys_zone=dhis:1000m;
+  proxy_cache_path  /var/cache/nginx  keys_zone=dhis:250m  inactive=1d;
 
   # HTTPS server