Merge pull request #1914 from matrix-org/erikj/cache_presence

Cache get_presence storage
pull/1921/head
Erik Johnston 2017-02-13 16:59:19 +01:00 committed by GitHub
commit d7457c7661
3 changed files with 15 additions and 5 deletions

View File

@ -531,7 +531,7 @@ class PresenceHandler(object):
# There are things not in our in memory cache. Lets pull them out of
# the database.
res = yield self.store.get_presence_for_users(missing)
states.update({state.user_id: state for state in res})
states.update(res)
missing = [user_id for user_id, state in states.items() if not state]
if missing:

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@ -18,6 +18,7 @@ from ._slaved_id_tracker import SlavedIdTracker
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.storage import DataStore
from synapse.storage.presence import PresenceStore
class SlavedPresenceStore(BaseSlavedStore):
@ -35,7 +36,8 @@ class SlavedPresenceStore(BaseSlavedStore):
_get_active_presence = DataStore._get_active_presence.__func__
take_presence_startup_info = DataStore.take_presence_startup_info.__func__
get_presence_for_users = DataStore.get_presence_for_users.__func__
_get_presence_for_user = PresenceStore.__dict__["_get_presence_for_user"]
get_presence_for_users = PresenceStore.__dict__["get_presence_for_users"]
def get_current_presence_token(self):
return self._presence_id_gen.get_current_token()

View File

@ -15,7 +15,7 @@
from ._base import SQLBaseStore
from synapse.api.constants import PresenceState
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks, cachedList
from collections import namedtuple
from twisted.internet import defer
@ -85,6 +85,9 @@ class PresenceStore(SQLBaseStore):
self.presence_stream_cache.entity_has_changed,
state.user_id, stream_id,
)
self._invalidate_cache_and_stream(
txn, self._get_presence_for_user, (state.user_id,)
)
# Actually insert new rows
self._simple_insert_many_txn(
@ -143,7 +146,12 @@ class PresenceStore(SQLBaseStore):
"get_all_presence_updates", get_all_presence_updates_txn
)
@defer.inlineCallbacks
@cached()
def _get_presence_for_user(self, user_id):
raise NotImplementedError()
@cachedList(cached_method_name="_get_presence_for_user", list_name="user_ids",
num_args=1, inlineCallbacks=True)
def get_presence_for_users(self, user_ids):
rows = yield self._simple_select_many_batch(
table="presence_stream",
@ -165,7 +173,7 @@ class PresenceStore(SQLBaseStore):
for row in rows:
row["currently_active"] = bool(row["currently_active"])
defer.returnValue([UserPresenceState(**row) for row in rows])
defer.returnValue({row["user_id"]: UserPresenceState(**row) for row in rows})
def get_current_presence_token(self):
return self._presence_id_gen.get_current_token()