diff options
| -rw-r--r-- | synapse/events/__init__.py | 6 | ||||
| -rw-r--r-- | synapse/storage/_base.py | 47 | ||||
| -rw-r--r-- | synapse/storage/events.py | 4 |
3 files changed, 34 insertions, 23 deletions
diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py index 64e08223b0..e4495ccf12 100644 --- a/synapse/events/__init__.py +++ b/synapse/events/__init__.py @@ -46,9 +46,10 @@ def _event_dict_property(key): class EventBase(object): def __init__(self, event_dict, signatures={}, unsigned={}, - internal_metadata_dict={}): + internal_metadata_dict={}, rejected_reason=None): self.signatures = signatures self.unsigned = unsigned + self.rejected_reason = rejected_reason self._event_dict = event_dict @@ -109,7 +110,7 @@ class EventBase(object): class FrozenEvent(EventBase): - def __init__(self, event_dict, internal_metadata_dict={}): + def __init__(self, event_dict, internal_metadata_dict={}, rejected_reason=None): event_dict = dict(event_dict) # Signatures is a dict of dicts, and this is faster than doing a @@ -128,6 +129,7 @@ class FrozenEvent(EventBase): signatures=signatures, unsigned=unsigned, internal_metadata_dict=internal_metadata_dict, + rejected_reason=rejected_reason, ) @staticmethod diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 53eee10d51..e3e67d8e0d 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -242,10 +242,8 @@ class SQLBaseStore(object): self._txn_perf_counters = PerformanceCounters() self._get_event_counters = PerformanceCounters() - self._get_event_cache = LruCache(hs.config.event_cache_size) - - # Pretend the getEventCache is just another named cache - caches_by_name["*getEvent*"] = self._get_event_cache + self._get_event_cache = Cache("*getEvent*", keylen=3, lru=True, + max_entries=hs.config.event_cache_size) def start_profiling(self): self._previous_loop_ts = self._clock.time_msec() @@ -733,6 +731,12 @@ class SQLBaseStore(object): return [e for e in events if e] + def _invalidate_get_event_cache(self, event_id): + for check_redacted in (False, True): + for get_prev_content in (False, True): + self._get_event_cache.invalidate(event_id, check_redacted, + get_prev_content) + def _get_event_txn(self, txn, event_id, check_redacted=True, get_prev_content=False, allow_rejected=False): @@ -743,16 +747,14 @@ class SQLBaseStore(object): sql_getevents_timer.inc_by(curr_time - last_time, desc) return curr_time - cache = self._get_event_cache.setdefault(event_id, {}) - try: - # Separate cache entries for each way to invoke _get_event_txn - ret = cache[(check_redacted, get_prev_content, allow_rejected)] + ret = self._get_event_cache.get(event_id, check_redacted, get_prev_content) - cache_counter.inc_hits("*getEvent*") - return ret + if allow_rejected or not ret.rejected_reason: + return ret + else: + return None except KeyError: - cache_counter.inc_misses("*getEvent*") pass finally: start_time = update_counter("event_cache", start_time) @@ -777,19 +779,22 @@ class SQLBaseStore(object): start_time = update_counter("select_event", start_time) + result = self._get_event_from_row_txn( + txn, internal_metadata, js, redacted, + check_redacted=check_redacted, + get_prev_content=get_prev_content, + rejected_reason=rejected_reason, + ) + self._get_event_cache.prefill(event_id, check_redacted, get_prev_content, result) + if allow_rejected or not rejected_reason: - result = self._get_event_from_row_txn( - txn, internal_metadata, js, redacted, - check_redacted=check_redacted, - get_prev_content=get_prev_content, - ) - cache[(check_redacted, get_prev_content, allow_rejected)] = result return result else: return None def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted, - check_redacted=True, get_prev_content=False): + check_redacted=True, get_prev_content=False, + rejected_reason=None): start_time = time.time() * 1000 @@ -804,7 +809,11 @@ class SQLBaseStore(object): internal_metadata = json.loads(internal_metadata) start_time = update_counter("decode_internal", start_time) - ev = FrozenEvent(d, internal_metadata_dict=internal_metadata) + ev = FrozenEvent( + d, + internal_metadata_dict=internal_metadata, + rejected_reason=rejected_reason, + ) start_time = update_counter("build_frozen_event", start_time) if check_redacted and redacted: diff --git a/synapse/storage/events.py b/synapse/storage/events.py index a86230d92c..2425f57f5f 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -94,7 +94,7 @@ class EventsStore(SQLBaseStore): current_state=None): # Remove the any existing cache entries for the event_id - self._get_event_cache.pop(event.event_id) + self._invalidate_get_event_cache(event.event_id) # We purposefully do this first since if we include a `current_state` # key, we *want* to update the `current_state_events` table @@ -356,7 +356,7 @@ class EventsStore(SQLBaseStore): def _store_redaction(self, txn, event): # invalidate the cache for the redacted event - self._get_event_cache.pop(event.redacts) + self._invalidate_get_event_cache(event.redacts) txn.execute( "INSERT INTO redactions (event_id, redacts) VALUES (?,?)", (event.event_id, event.redacts) |