diff options
Diffstat (limited to 'synapse/push/bulk_push_rule_evaluator.py')
| -rw-r--r-- | synapse/push/bulk_push_rule_evaluator.py | 81 |
1 files changed, 62 insertions, 19 deletions
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py index 9a96e6fe8f..b0d64aa6c4 100644 --- a/synapse/push/bulk_push_rule_evaluator.py +++ b/synapse/push/bulk_push_rule_evaluator.py @@ -19,8 +19,9 @@ from twisted.internet import defer from .push_rule_evaluator import PushRuleEvaluatorForEvent -from synapse.visibility import filter_events_for_clients_context from synapse.api.constants import EventTypes, Membership +from synapse.metrics import get_metrics_for +from synapse.util.caches import metrics as cache_metrics from synapse.util.caches.descriptors import cached from synapse.util.async import Linearizer @@ -32,6 +33,23 @@ logger = logging.getLogger(__name__) rules_by_room = {} +push_metrics = get_metrics_for(__name__) + +push_rules_invalidation_counter = push_metrics.register_counter( + "push_rules_invalidation_counter" +) +push_rules_state_size_counter = push_metrics.register_counter( + "push_rules_state_size_counter" +) + +# Measures whether we use the fast path of using state deltas, or if we have to +# recalculate from scratch +push_rules_delta_state_cache_metric = cache_metrics.register_cache( + "cache", + size_callback=lambda: 0, # Meaningless size, as this isn't a cache that stores values + cache_name="push_rules_delta_state_cache_metric", +) + class BulkPushRuleEvaluator(object): """Calculates the outcome of push rules for an event for all users in the @@ -42,6 +60,12 @@ class BulkPushRuleEvaluator(object): self.hs = hs self.store = hs.get_datastore() + self.room_push_rule_cache_metrics = cache_metrics.register_cache( + "cache", + size_callback=lambda: 0, # There's not good value for this + cache_name="room_push_rule_cache", + ) + @defer.inlineCallbacks def _get_rules_for_event(self, event, context): """This gets the rules for all users in the room at the time of the event, @@ -79,7 +103,10 @@ class BulkPushRuleEvaluator(object): # It's important that RulesForRoom gets added to self._get_rules_for_room.cache # before any lookup methods get called on it as otherwise there may be # a race if invalidate_all gets called (which assumes its in the cache) - return RulesForRoom(self.hs, room_id, self._get_rules_for_room.cache) + return RulesForRoom( + self.hs, room_id, self._get_rules_for_room.cache, + self.room_push_rule_cache_metrics, + ) @defer.inlineCallbacks def action_for_event_by_user(self, event, context): @@ -92,15 +119,6 @@ class BulkPushRuleEvaluator(object): rules_by_user = yield self._get_rules_for_event(event, context) actions_by_user = {} - # None of these users can be peeking since this list of users comes - # from the set of users in the room, so we know for sure they're all - # actually in the room. - user_tuples = [(u, False) for u in rules_by_user] - - filtered_by_user = yield filter_events_for_clients_context( - self.store, user_tuples, [event], {event.event_id: context} - ) - room_members = yield self.store.get_joined_users_from_context( event, context ) @@ -110,6 +128,14 @@ class BulkPushRuleEvaluator(object): condition_cache = {} for uid, rules in rules_by_user.iteritems(): + if event.sender == uid: + continue + + if not event.is_state(): + is_ignored = yield self.store.is_ignored_by(event.sender, uid) + if is_ignored: + continue + display_name = None profile_info = room_members.get(uid) if profile_info: @@ -121,13 +147,6 @@ class BulkPushRuleEvaluator(object): if event.type == EventTypes.Member and event.state_key == uid: display_name = event.content.get("displayname", None) - filtered = filtered_by_user[uid] - if len(filtered) == 0: - continue - - if filtered[0].sender == uid: - continue - for rule in rules: if 'enabled' in rule and not rule['enabled']: continue @@ -170,17 +189,19 @@ class RulesForRoom(object): the entire cache for the room. """ - def __init__(self, hs, room_id, rules_for_room_cache): + def __init__(self, hs, room_id, rules_for_room_cache, room_push_rule_cache_metrics): """ Args: hs (HomeServer) room_id (str) rules_for_room_cache(Cache): The cache object that caches these RoomsForUser objects. + room_push_rule_cache_metrics (CacheMetric) """ self.room_id = room_id self.is_mine_id = hs.is_mine_id self.store = hs.get_datastore() + self.room_push_rule_cache_metrics = room_push_rule_cache_metrics self.linearizer = Linearizer(name="rules_for_room") @@ -222,11 +243,19 @@ class RulesForRoom(object): """ state_group = context.state_group + if state_group and self.state_group == state_group: + logger.debug("Using cached rules for %r", self.room_id) + self.room_push_rule_cache_metrics.inc_hits() + defer.returnValue(self.rules_by_user) + with (yield self.linearizer.queue(())): if state_group and self.state_group == state_group: logger.debug("Using cached rules for %r", self.room_id) + self.room_push_rule_cache_metrics.inc_hits() defer.returnValue(self.rules_by_user) + self.room_push_rule_cache_metrics.inc_misses() + ret_rules_by_user = {} missing_member_event_ids = {} if state_group and self.state_group == context.prev_group: @@ -234,8 +263,13 @@ class RulesForRoom(object): # results. ret_rules_by_user = self.rules_by_user current_state_ids = context.delta_ids + + push_rules_delta_state_cache_metric.inc_hits() else: current_state_ids = context.current_state_ids + push_rules_delta_state_cache_metric.inc_misses() + + push_rules_state_size_counter.inc_by(len(current_state_ids)) logger.debug( "Looking for member changes in %r %r", state_group, current_state_ids @@ -282,6 +316,14 @@ class RulesForRoom(object): yield self._update_rules_with_member_event_ids( ret_rules_by_user, missing_member_event_ids, state_group, event ) + else: + # The push rules didn't change but lets update the cache anyway + self.update_cache( + self.sequence, + members={}, # There were no membership changes + rules_by_user=ret_rules_by_user, + state_group=state_group + ) if logger.isEnabledFor(logging.DEBUG): logger.debug( @@ -380,6 +422,7 @@ class RulesForRoom(object): self.state_group = object() self.member_map = {} self.rules_by_user = {} + push_rules_invalidation_counter.inc() def update_cache(self, sequence, members, rules_by_user, state_group): if sequence == self.sequence: |