diff --git a/rhodecode/config/deployment.ini_tmpl b/rhodecode/config/deployment.ini_tmpl
--- a/rhodecode/config/deployment.ini_tmpl
+++ b/rhodecode/config/deployment.ini_tmpl
@@ -91,21 +91,27 @@ beaker.cache.regions=super_short_term,sh
 
 beaker.cache.super_short_term.type=memory
 beaker.cache.super_short_term.expire=10
+beaker.cache.super_short_term.key_length = 256
 
 beaker.cache.short_term.type=memory
 beaker.cache.short_term.expire=60
+beaker.cache.short_term.key_length = 256
 
 beaker.cache.long_term.type=memory
 beaker.cache.long_term.expire=36000
+beaker.cache.long_term.key_length = 256
 
 beaker.cache.sql_cache_short.type=memory
 beaker.cache.sql_cache_short.expire=10
+beaker.cache.sql_cache_short.key_length = 256
 
 beaker.cache.sql_cache_med.type=memory
 beaker.cache.sql_cache_med.expire=360
+beaker.cache.sql_cache_med.key_length = 256
 
 beaker.cache.sql_cache_long.type=file
 beaker.cache.sql_cache_long.expire=3600
+beaker.cache.sql_cache_long.key_length = 256
 
 ####################################
 ###       BEAKER SESSION        ####
@@ -154,6 +160,7 @@ sqlalchemy.db1.url = sqlite:///%(here)s/
 # MySQL
 # sqlalchemy.db1.url = mysql://user:pass@localhost/rhodecode
 
+# see sqlalchemy docs for others
 
 sqlalchemy.db1.echo = false
 sqlalchemy.db1.pool_recycle = 3600