anonymousland-synapse/synapse/replication/slave/storage/deviceinbox.py
Erik Johnston 2d2acc1cf2
Stop using 'device_max_stream_id' (#7882)
It serves no purpose and updating everytime we write to the device inbox
stream means all such transactions will conflict, causing lots of
transaction failures and retries.
2020-07-17 17:03:27 +01:00

60 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
from synapse.replication.tcp.streams import ToDeviceStream
from synapse.storage.data_stores.main.deviceinbox import DeviceInboxWorkerStore
from synapse.storage.database import Database
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.caches.stream_change_cache import StreamChangeCache
class SlavedDeviceInboxStore(DeviceInboxWorkerStore, BaseSlavedStore):
def __init__(self, database: Database, db_conn, hs):
super(SlavedDeviceInboxStore, self).__init__(database, db_conn, hs)
self._device_inbox_id_gen = SlavedIdTracker(
db_conn, "device_inbox", "stream_id"
)
self._device_inbox_stream_cache = StreamChangeCache(
"DeviceInboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token(),
)
self._device_federation_outbox_stream_cache = StreamChangeCache(
"DeviceFederationOutboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token(),
)
self._last_device_delete_cache = ExpiringCache(
cache_name="last_device_delete_cache",
clock=self._clock,
max_len=10000,
expiry_ms=30 * 60 * 1000,
)
def process_replication_rows(self, stream_name, instance_name, token, rows):
if stream_name == ToDeviceStream.NAME:
self._device_inbox_id_gen.advance(token)
for row in rows:
if row.entity.startswith("@"):
self._device_inbox_stream_cache.entity_has_changed(
row.entity, token
)
else:
self._device_federation_outbox_stream_cache.entity_has_changed(
row.entity, token
)
return super().process_replication_rows(stream_name, instance_name, token, rows)