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Use cache store remove base slaved (#13329) 

This comes from two identical definitions in each of the base stores, and means the base slaved store is now empty and can be removed.
This commit is contained in:
Nick Mills-Barrett 2022-07-21 12:51:30 +02:00 committed by GitHub
parent 4f57ef0b18
commit 190f49d8ab
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16 changed files with 39 additions and 114 deletions
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1
changelog.d/13329.misc Normal file
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@ -0,0 +1 @@
Remove old base slaved store and de-duplicate cache ID generators. Contributed by Nick @ Beeper (@fizzadar).

2
synapse/app/admin_cmd.py
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@ -28,7 +28,6 @@ from synapse.config.homeserver import HomeServerConfig
from synapse.config.logger import setup_logging
from synapse.events import EventBase
from synapse.handlers.admin import ExfiltrationWriter
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
@ -58,7 +57,6 @@ class AdminCmdSlavedStore(
SlavedDeviceStore,
SlavedPushRuleStore,
SlavedEventStore,
BaseSlavedStore,
RoomWorkerStore,
):
def __init__(

2
synapse/app/generic_worker.py
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@ -48,7 +48,6 @@ from synapse.http.site import SynapseRequest, SynapseSite
from synapse.logging.context import LoggingContext
from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
@ -251,7 +250,6 @@ class GenericWorkerSlavedStore(
TransactionWorkerStore,
LockStore,
SessionStore,
BaseSlavedStore,
):
# Properties that multiple storage classes define. Tell mypy what the
# expected type is.

58
synapse/replication/slave/storage/_base.py
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@ -1,58 +0,0 @@
# 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.
import logging
from typing import TYPE_CHECKING, Optional
from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
from synapse.storage.engines import PostgresEngine
from synapse.storage.util.id_generators import MultiWriterIdGenerator
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class BaseSlavedStore(CacheInvalidationWorkerStore):
def __init__(
self,
database: DatabasePool,
db_conn: LoggingDatabaseConnection,
hs: "HomeServer",
):
super().__init__(database, db_conn, hs)
if isinstance(self.database_engine, PostgresEngine):
self._cache_id_gen: Optional[
MultiWriterIdGenerator
] = MultiWriterIdGenerator(
db_conn,
database,
stream_name="caches",
instance_name=hs.get_instance_name(),
tables=[
(
"cache_invalidation_stream_by_instance",
"instance_name",
"stream_id",
)
],
sequence_name="cache_invalidation_stream_seq",
writers=[],
)
else:
self._cache_id_gen = None
self.hs = hs

3
synapse/replication/slave/storage/account_data.py
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@ -13,10 +13,9 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.storage.databases.main.account_data import AccountDataWorkerStore
from synapse.storage.databases.main.tags import TagsWorkerStore
class SlavedAccountDataStore(TagsWorkerStore, AccountDataWorkerStore, BaseSlavedStore):
class SlavedAccountDataStore(TagsWorkerStore, AccountDataWorkerStore):
pass

3
synapse/replication/slave/storage/deviceinbox.py
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@ -12,9 +12,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.storage.databases.main.deviceinbox import DeviceInboxWorkerStore
class SlavedDeviceInboxStore(DeviceInboxWorkerStore, BaseSlavedStore):
class SlavedDeviceInboxStore(DeviceInboxWorkerStore):
pass

3
synapse/replication/slave/storage/devices.py
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@ -14,7 +14,6 @@
from typing import TYPE_CHECKING, Any, Iterable
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
from synapse.replication.tcp.streams._base import DeviceListsStream, UserSignatureStream
from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
@ -24,7 +23,7 @@ if TYPE_CHECKING:
from synapse.server import HomeServer
class SlavedDeviceStore(DeviceWorkerStore, BaseSlavedStore):
class SlavedDeviceStore(DeviceWorkerStore):
def __init__(
self,
database: DatabasePool,

4
synapse/replication/slave/storage/directory.py
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@ -14,8 +14,6 @@
from synapse.storage.databases.main.directory import DirectoryWorkerStore
from ._base import BaseSlavedStore
class DirectoryStore(DirectoryWorkerStore, BaseSlavedStore):
class DirectoryStore(DirectoryWorkerStore):
pass

3
synapse/replication/slave/storage/events.py
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@ -29,8 +29,6 @@ from synapse.storage.databases.main.stream import StreamWorkerStore
from synapse.storage.databases.main.user_erasure_store import UserErasureWorkerStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from ._base import BaseSlavedStore
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -56,7 +54,6 @@ class SlavedEventStore(
EventsWorkerStore,
UserErasureWorkerStore,
RelationsWorkerStore,
BaseSlavedStore,
):
def __init__(
self,

5
synapse/replication/slave/storage/filtering.py
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@ -14,16 +14,15 @@
from typing import TYPE_CHECKING
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
from synapse.storage.databases.main.filtering import FilteringStore
from ._base import BaseSlavedStore
if TYPE_CHECKING:
from synapse.server import HomeServer
class SlavedFilteringStore(BaseSlavedStore):
class SlavedFilteringStore(SQLBaseStore):
def __init__(
self,
database: DatabasePool,

3
synapse/replication/slave/storage/profile.py
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@ -12,9 +12,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.storage.databases.main.profile import ProfileWorkerStore
class SlavedProfileStore(ProfileWorkerStore, BaseSlavedStore):
class SlavedProfileStore(ProfileWorkerStore):
pass

3
synapse/replication/slave/storage/pushers.py
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@ -18,14 +18,13 @@ from synapse.replication.tcp.streams import PushersStream
from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
from synapse.storage.databases.main.pusher import PusherWorkerStore
from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
if TYPE_CHECKING:
from synapse.server import HomeServer
class SlavedPusherStore(PusherWorkerStore, BaseSlavedStore):
class SlavedPusherStore(PusherWorkerStore):
def __init__(
self,
database: DatabasePool,

4
synapse/replication/slave/storage/receipts.py
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@ -15,8 +15,6 @@
from synapse.storage.databases.main.receipts import ReceiptsWorkerStore
from ._base import BaseSlavedStore
class SlavedReceiptsStore(ReceiptsWorkerStore, BaseSlavedStore):
class SlavedReceiptsStore(ReceiptsWorkerStore):
pass

4
synapse/replication/slave/storage/registration.py
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@ -14,8 +14,6 @@
from synapse.storage.databases.main.registration import RegistrationWorkerStore
from ._base import BaseSlavedStore
class SlavedRegistrationStore(RegistrationWorkerStore, BaseSlavedStore):
class SlavedRegistrationStore(RegistrationWorkerStore):
pass

29
synapse/storage/databases/main/__init__.py
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@ -24,9 +24,9 @@ from synapse.storage.database import (
LoggingTransaction,
)
from synapse.storage.databases.main.stats import UserSortOrder
from synapse.storage.engines import BaseDatabaseEngine, PostgresEngine
from synapse.storage.engines import BaseDatabaseEngine
from synapse.storage.types import Cursor
from synapse.storage.util.id_generators import MultiWriterIdGenerator, StreamIdGenerator
from synapse.storage.util.id_generators import StreamIdGenerator
from synapse.types import JsonDict, get_domain_from_id
from synapse.util.caches.stream_change_cache import StreamChangeCache
@ -149,31 +149,6 @@ class DataStore(
],
)
self._cache_id_gen: Optional[MultiWriterIdGenerator]
if isinstance(self.database_engine, PostgresEngine):
# We set the `writers` to an empty list here as we don't care about
# missing updates over restarts, as we'll not have anything in our
# caches to invalidate. (This reduces the amount of writes to the DB
# that happen).
self._cache_id_gen = MultiWriterIdGenerator(
db_conn,
database,
stream_name="caches",
instance_name=hs.get_instance_name(),
tables=[
(
"cache_invalidation_stream_by_instance",
"instance_name",
"stream_id",
)
],
sequence_name="cache_invalidation_stream_seq",
writers=[],
)
else:
self._cache_id_gen = None
super().__init__(database, db_conn, hs)
events_max = self._stream_id_gen.get_current_token()

26
synapse/storage/databases/main/cache.py
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@ -32,6 +32,7 @@ from synapse.storage.database import (
LoggingTransaction,
)
from synapse.storage.engines import PostgresEngine
from synapse.storage.util.id_generators import MultiWriterIdGenerator
from synapse.util.caches.descriptors import _CachedFunction
from synapse.util.iterutils import batch_iter
@ -65,6 +66,31 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
psql_only=True, # The table is only on postgres DBs.
)
self._cache_id_gen: Optional[MultiWriterIdGenerator]
if isinstance(self.database_engine, PostgresEngine):
# We set the `writers` to an empty list here as we don't care about
# missing updates over restarts, as we'll not have anything in our
# caches to invalidate. (This reduces the amount of writes to the DB
# that happen).
self._cache_id_gen = MultiWriterIdGenerator(
db_conn,
database,
stream_name="caches",
instance_name=hs.get_instance_name(),
tables=[
(
"cache_invalidation_stream_by_instance",
"instance_name",
"stream_id",
)
],
sequence_name="cache_invalidation_stream_seq",
writers=[],
)
else:
self._cache_id_gen = None
async def get_all_updated_caches(
self, instance_name: str, last_id: int, current_id: int, limit: int
) -> Tuple[List[Tuple[int, tuple]], int, bool]: