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Merge pull request #2159 from matrix-org/erikj/reduce_join_cache_size

Reduce size of joined_user cache
This commit is contained in:
Erik Johnston 2017-04-25 17:22:02 +01:00 committed by GitHub
commit 22f935ab7c
4 changed files with 42 additions and 10 deletions

View file

@ -87,7 +87,11 @@ class BulkPushRuleEvaluator:
condition_cache = {}
for uid, rules in self.rules_by_user.items():
display_name = room_members.get(uid, {}).get("display_name", None)
display_name = None
profile_info = room_members.get(uid)
if profile_info:
display_name = profile_info.display_name
if not display_name:
# Handle the case where we are pushing a membership event to
# that user, as they might not be already joined.

View file

@ -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()
}
}))

View file

@ -19,6 +19,7 @@ from collections import namedtuple
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from synapse.util.stringutils import to_ascii
from synapse.api.constants import Membership, EventTypes
from synapse.types import get_domain_from_id
@ -35,6 +36,13 @@ RoomsForUser = namedtuple(
)
# We store this using a namedtuple so that we save about 3x space over using a
# dict.
ProfileInfo = namedtuple(
"ProfileInfo", ("avatar_url", "display_name")
)
_MEMBERSHIP_PROFILE_UPDATE_NAME = "room_membership_profile_update"
@ -422,20 +430,20 @@ class RoomMemberStore(SQLBaseStore):
)
users_in_room = {
row["user_id"]: {
"display_name": row["display_name"],
"avatar_url": row["avatar_url"],
}
to_ascii(row["user_id"]): ProfileInfo(
avatar_url=to_ascii(row["avatar_url"]),
display_name=to_ascii(row["display_name"]),
)
for row in rows
}
if event is not None and event.type == EventTypes.Member:
if event.membership == Membership.JOIN:
if event.event_id in member_event_ids:
users_in_room[event.state_key] = {
"display_name": event.content.get("displayname", None),
"avatar_url": event.content.get("avatar_url", None),
}
users_in_room[to_ascii(event.state_key)] = ProfileInfo(
display_name=to_ascii(event.content.get("displayname", None)),
avatar_url=to_ascii(event.content.get("avatar_url", None)),
)
defer.returnValue(users_in_room)

View file

@ -40,3 +40,17 @@ def is_ascii(s):
return False
else:
return True
def to_ascii(s):
"""Converts a string to ascii if it is ascii, otherwise leave it alone.
If given None then will return None.
"""
if s is None:
return None
try:
return s.encode("ascii")
except UnicodeEncodeError:
return s