enable other cache backend in hue

hue2.5.diff

diff -u -r rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/conf/hue.ini rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/conf/hue.ini
--- rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/conf/hue.ini	2013-09-04 12:36:56.000000000 +0900
+++ rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/conf/hue.ini	2013-12-14 15:15:16.000000000 +0900
@@ -178,6 +178,10 @@
     ## password=
     ## name=desktop/desktop.db
 
+  [[cache]]
+    # backend=locmem://
+    # key_prefix=
+
 
   # Configuration options for connecting to an external SMTP server
   # ------------------------------------------------------------------------
diff -u -r rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/conf.py rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/conf.py
--- rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/conf.py	2013-09-04 12:36:56.000000000 +0900
+++ rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/conf.py	2013-12-14 15:13:00.000000000 +0900
@@ -197,6 +197,25 @@
   )
 )
 
+CACHE = ConfigSection(
+  key='cache',
+  help=_("""Configuration options for Cashe"""),
+  members=dict(
+    BACKEND=Config(
+      key='backend',
+      help=_('Cache backend setting. default locmem://'),
+      type=str,
+      default='locmem://',
+    ),
+    KEY_PREFIX=Config(
+      key='key_prefix',
+      help=_('Cache key prefix'),
+      type=str,
+      default='',
+    ),
+  )
+)
+
 KERBEROS = ConfigSection(
   key="kerberos",
   help=_("""Configuration options for specifying Hue's Kerberos integration for
diff -u -r rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/settings.py rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/settings.py
--- rpmbuild.bak/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/settings.py	2013-07-13 07:49:44.000000000 +0900
+++ rpmbuild/SOURCES/hue-2.5.0-cdh4.4.0/desktop/core/src/desktop/settings.py	2013-12-14 15:16:33.000000000 +0900
@@ -252,6 +252,9 @@
   'default': default_db
 }
 
+CACHE_BACKEND = desktop.conf.CACHE.BACKEND.get()
+CACHE_MIDDLEWARE_KEY_PREFIX = desktop.conf.CACHE.KEY_PREFIX.get()
+
 TIME_ZONE = desktop.conf.TIME_ZONE.get()
 # Desktop supports only one authentication backend.
 AUTHENTICATION_BACKENDS = (desktop.conf.AUTH.BACKEND.get(),)