diff options
Diffstat (limited to 'synapse/storage/receipts.py')
| -rw-r--r-- | synapse/storage/receipts.py | 87 |
1 files changed, 73 insertions, 14 deletions
diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index b79d6683ca..a535063547 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -13,12 +13,12 @@ # See the License for the specific language governing permissions and # limitations under the License. -from ._base import SQLBaseStore, cachedInlineCallbacks +from ._base import SQLBaseStore +from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList +from synapse.util.caches import cache_counter, caches_by_name from twisted.internet import defer -from synapse.util import unwrapFirstError - from blist import sorteddict import logging import ujson as json @@ -53,19 +53,13 @@ class ReceiptsStore(SQLBaseStore): self, room_ids, from_key ) - results = yield defer.gatherResults( - [ - self.get_linearized_receipts_for_room( - room_id, to_key, from_key=from_key - ) - for room_id in room_ids - ], - consumeErrors=True, - ).addErrback(unwrapFirstError) + results = yield self._get_linearized_receipts_for_rooms( + room_ids, to_key, from_key=from_key + ) - defer.returnValue([ev for res in results for ev in res]) + defer.returnValue([ev for res in results.values() for ev in res]) - @defer.inlineCallbacks + @cachedInlineCallbacks(num_args=3, max_entries=5000) def get_linearized_receipts_for_room(self, room_id, to_key, from_key=None): """Get receipts for a single room for sending to clients. @@ -125,6 +119,66 @@ class ReceiptsStore(SQLBaseStore): "content": content, }]) + @cachedList(cache=get_linearized_receipts_for_room.cache, list_name="room_ids", + num_args=3, inlineCallbacks=True) + def _get_linearized_receipts_for_rooms(self, room_ids, to_key, from_key=None): + if not room_ids: + defer.returnValue({}) + + def f(txn): + if from_key: + sql = ( + "SELECT * FROM receipts_linearized WHERE" + " room_id IN (%s) AND stream_id > ? AND stream_id <= ?" + ) % ( + ",".join(["?"] * len(room_ids)) + ) + args = list(room_ids) + args.extend([from_key, to_key]) + + txn.execute(sql, args) + else: + sql = ( + "SELECT * FROM receipts_linearized WHERE" + " room_id IN (%s) AND stream_id <= ?" + ) % ( + ",".join(["?"] * len(room_ids)) + ) + + args = list(room_ids) + args.append(to_key) + + txn.execute(sql, args) + + return self.cursor_to_dict(txn) + + txn_results = yield self.runInteraction( + "_get_linearized_receipts_for_rooms", f + ) + + results = {} + for row in txn_results: + # We want a single event per room, since we want to batch the + # receipts by room, event and type. + room_event = results.setdefault(row["room_id"], { + "type": "m.receipt", + "room_id": row["room_id"], + "content": {}, + }) + + # The content is of the form: + # {"$foo:bar": { "read": { "@user:host": <receipt> }, .. }, .. } + event_entry = room_event["content"].setdefault(row["event_id"], {}) + receipt_type = event_entry.setdefault(row["receipt_type"], {}) + + receipt_type[row["user_id"]] = json.loads(row["data"]) + + results = { + room_id: [results[room_id]] if room_id in results else [] + for room_id in room_ids + } + defer.returnValue(results) + def get_max_receipt_stream_id(self): return self._receipts_id_gen.get_max_token(self) @@ -304,6 +358,8 @@ class _RoomStreamChangeCache(object): self._room_to_key = {} self._cache = sorteddict() self._earliest_key = None + self.name = "ReceiptsRoomChangeCache" + caches_by_name[self.name] = self._cache @defer.inlineCallbacks def get_rooms_changed(self, store, room_ids, key): @@ -317,8 +373,11 @@ class _RoomStreamChangeCache(object): result = set( self._cache[k] for k in keys[i:] ).intersection(room_ids) + + cache_counter.inc_hits(self.name) else: result = room_ids + cache_counter.inc_misses(self.name) defer.returnValue(result) |