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Cache get_presence storage

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This commit is contained in:
Erik Johnston 2017-02-13 13:50:03 +00:00
parent 6bba80241c
commit 9e617cd4c2
3 changed files with 15 additions and 5 deletions
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2
synapse/handlers/presence.py
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@ -531,7 +531,7 @@ class PresenceHandler(object):
# There are things not in our in memory cache. Lets pull them out of # There are things not in our in memory cache. Lets pull them out of
# the database. # the database.
res = yield self.store.get_presence_for_users(missing) 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] missing = [user_id for user_id, state in states.items() if not state]
if missing: if missing:

4
synapse/replication/slave/storage/presence.py
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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.util.caches.stream_change_cache import StreamChangeCache
from synapse.storage import DataStore from synapse.storage import DataStore
from synapse.storage.presence import PresenceStore
class SlavedPresenceStore(BaseSlavedStore): class SlavedPresenceStore(BaseSlavedStore):
@ -35,7 +36,8 @@ class SlavedPresenceStore(BaseSlavedStore):
_get_active_presence = DataStore._get_active_presence.__func__ _get_active_presence = DataStore._get_active_presence.__func__
take_presence_startup_info = DataStore.take_presence_startup_info.__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): def get_current_presence_token(self):
return self._presence_id_gen.get_current_token() return self._presence_id_gen.get_current_token()

14
synapse/storage/presence.py
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@ -15,7 +15,7 @@
from ._base import SQLBaseStore from ._base import SQLBaseStore
from synapse.api.constants import PresenceState 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 collections import namedtuple
from twisted.internet import defer from twisted.internet import defer
@ -85,6 +85,9 @@ class PresenceStore(SQLBaseStore):
self.presence_stream_cache.entity_has_changed, self.presence_stream_cache.entity_has_changed,
state.user_id, stream_id, state.user_id, stream_id,
) )
self._invalidate_cache_and_stream(
txn, self._get_presence_for_user, (state.user_id,)
)
# Actually insert new rows # Actually insert new rows
self._simple_insert_many_txn( self._simple_insert_many_txn(
@ -143,7 +146,12 @@ class PresenceStore(SQLBaseStore):
"get_all_presence_updates", get_all_presence_updates_txn "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): def get_presence_for_users(self, user_ids):
rows = yield self._simple_select_many_batch( rows = yield self._simple_select_many_batch(
table="presence_stream", table="presence_stream",
@ -165,7 +173,7 @@ class PresenceStore(SQLBaseStore):
for row in rows: for row in rows:
row["currently_active"] = bool(row["currently_active"]) 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): def get_current_presence_token(self):
return self._presence_id_gen.get_current_token() return self._presence_id_gen.get_current_token()