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Bugfix cache layer

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This commit is contained in:
Erik Johnston 2015-02-06 16:17:05 +00:00
parent c4e3029d55
commit b4886264a3
2 changed files with 22 additions and 11 deletions
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29
synapse/state.py
View file

@ -86,18 +86,19 @@ class StateHandler(object):
for e_id, _, _ in events for e_id, _, _ in events
] ]
cache = self._state_cache.get(set(event_ids), None) cache = self._state_cache.get(frozenset(event_ids), None)
if cache: if cache:
cache.ts = self.clock.time_msec() cache.ts = self.clock.time_msec()
defer.returnValue(cache.state_group, cache.state) state = cache.state
else:
res = yield self.resolve_state_groups(event_ids) res = yield self.resolve_state_groups(event_ids)
state = res[1]
if event_type: if event_type:
defer.returnValue(res[1].get((event_type, state_key))) defer.returnValue(state.get((event_type, state_key)))
return return
defer.returnValue(res[1].values()) defer.returnValue(state.values())
@defer.inlineCallbacks @defer.inlineCallbacks
def compute_event_context(self, event, old_state=None): def compute_event_context(self, event, old_state=None):
@ -198,10 +199,16 @@ class StateHandler(object):
""" """
logger.debug("resolve_state_groups event_ids %s", event_ids) logger.debug("resolve_state_groups event_ids %s", event_ids)
cache = self._state_cache.get(set(event_ids), None) cache = self._state_cache.get(frozenset(event_ids), None)
if cache and cache.state_group: if cache and cache.state_group:
cache.ts = self.clock.time_msec() cache.ts = self.clock.time_msec()
defer.returnValue(cache.state_group, cache.state) prev_state = cache.state.get((event_type, state_key), None)
if prev_state:
prev_state = prev_state.event_id
prev_states = [prev_state]
else:
prev_states = []
defer.returnValue((cache.state_group, cache.state, prev_states))
state_groups = yield self.store.get_state_groups( state_groups = yield self.store.get_state_groups(
event_ids event_ids
@ -232,7 +239,7 @@ class StateHandler(object):
ts=self.clock.time_msec() ts=self.clock.time_msec()
) )
self._state_cache[set(event_ids)] = cache self._state_cache[frozenset(event_ids)] = cache
defer.returnValue((name, state, prev_states)) defer.returnValue((name, state, prev_states))
@ -285,7 +292,7 @@ class StateHandler(object):
ts=self.clock.time_msec() ts=self.clock.time_msec()
) )
self._state_cache[set(event_ids)] = cache self._state_cache[frozenset(event_ids)] = cache
defer.returnValue((None, new_state, prev_states)) defer.returnValue((None, new_state, prev_states))
@ -372,6 +379,8 @@ class StateHandler(object):
return sorted(events, key=key_func) return sorted(events, key=key_func)
def _prune_cache(self): def _prune_cache(self):
logger.debug("_prune_cache. before len: ", len(self._state_cache))
now = self.clock.time_msec() now = self.clock.time_msec()
if len(self._state_cache) > 100: if len(self._state_cache) > 100:
@ -391,3 +400,5 @@ class StateHandler(object):
for k in keys_to_delete: for k in keys_to_delete:
self._state_cache.pop(k) self._state_cache.pop(k)
logger.debug("_prune_cache. after len: ", len(self._state_cache))

2
synapse/util/__init__.py
View file

@ -40,7 +40,7 @@ class Clock(object):
l.start(msec/1000.0, now=False) l.start(msec/1000.0, now=False)
return l return l
def looping_call(self, loop): def stop_looping_call(self, loop):
loop.stop() loop.stop()
def call_later(self, delay, callback): def call_later(self, delay, callback):