Index: trunk/xcache.ini
===================================================================
--- trunk/xcache.ini	(revision 1117)
+++ trunk/xcache.ini	(revision 1147)
@@ -40,4 +40,10 @@
 xcache.var_gc_interval =     300
 
+; mode:0, const string specified by xcache.var_namespace
+; mode:1, $_SERVER[xcache.var_namespace]
+; mode:2, uid or gid (specified by xcache.var_namespace)
+xcache.var_namespace_mode =    0
+xcache.var_namespace =        ""
+
 ; N/A for /dev/zero
 xcache.readonly_protection = Off