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authorErik Johnston <erik@matrix.org>2017-04-25 14:38:51 +0100
committerErik Johnston <erik@matrix.org>2017-04-25 14:38:51 +0100
commitd9aa645f86db733bb0419b5f5428ba9a9c799735 (patch)
tree3bd3cc61f7656609e6642351014401b20f2882c8 /synapse/rest/client
parentReduce _get_state_group_for_event cache size (diff)
downloadsynapse-d9aa645f86db733bb0419b5f5428ba9a9c799735.tar.xz
Reduce size of joined_user cache
The _get_joined_users_from_context cache stores a mapping from user_id
to avatar_url and display_name. Instead of storing those in a dict,
store them in a namedtuple as that uses much less memory.

We also try converting the string to ascii to further reduce the size.
Diffstat (limited to 'synapse/rest/client')
-rw-r--r--synapse/rest/client/v1/room.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 0bdd6b5b36..c376ab8fd7 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -406,7 +406,13 @@ class JoinedRoomMemberListRestServlet(ClientV1RestServlet):
         users_with_profile = yield self.state.get_current_user_in_room(room_id)
 
         defer.returnValue((200, {
-            "joined": users_with_profile
+            "joined": {
+                user_id: {
+                    "avatar_url": profile.avatar_url,
+                    "display_name": profile.display_name,
+                }
+                for user_id, profile in users_with_profile.iteritems()
+            }
         }))