Replace Container Hierarchy with new version

conf/s3_container_hierarchy.cfg

@@ -8,10 +8,7 @@ eventlet_debug = true
 sds_default_account = AUTH_demo
 
 [pipeline:main]
-#pipeline = catch_errors cache swift3 tempauth proxy-logging slo versioned_writes proxy-server
 pipeline = catch_errors cache swift3 tempauth proxy-logging slo container_hierarchy proxy-server
-# pipeline = catch_errors cache swift3 tempauth proxy-logging slo container_hierarchy versioned_writes proxy-server
-# pipeline = catch_errors proxy-logging slo proxy-server
 
 [app:proxy-server]
 use = egg:oioswift#main
@@ -85,8 +82,10 @@ allow_versioned_writes = true
 
 [filter:container_hierarchy]
 # Spawn containers for each subdirectory, instead of emulating
-# directories with '/' in object names. This middleware must be
-# placed after authentication in the pipeline.
+# directories with '/' in object names. Path are stored in redis
+# to avoid empties containers. Object finishing with / are
+# also stored in redis (some tools as distcp emulating directories
+# with this kind of fake objects)
 
 use = egg:oioswift#container_hierarchy
 #log_level = INFO
@@ -96,8 +95,4 @@ use = egg:oioswift#container_hierarchy
 strip_v1 = true
 swift3_compat = true
 account_first = true
-
-# Create empty objects to mark subdirectories. This enables
-# recursive object listings.
-create_dir_placeholders = true
-recursive_placeholders = true
+redis_host = 127.0.0.1:6379