diff options
Diffstat (limited to 'synapse')
-rw-r--r-- | synapse/config/homeserver.py | 2 | ||||
-rw-r--r-- | synapse/config/third_party_event_rules.py | 42 | ||||
-rw-r--r-- | synapse/events/third_party_rules.py | 62 | ||||
-rw-r--r-- | synapse/groups/attestations.py | 11 | ||||
-rw-r--r-- | synapse/handlers/federation.py | 74 | ||||
-rw-r--r-- | synapse/handlers/groups_local.py | 4 | ||||
-rw-r--r-- | synapse/handlers/message.py | 14 | ||||
-rw-r--r-- | synapse/handlers/profile.py | 29 | ||||
-rw-r--r-- | synapse/metrics/__init__.py | 1 | ||||
-rw-r--r-- | synapse/push/emailpusher.py | 19 | ||||
-rw-r--r-- | synapse/push/presentable_names.py | 11 | ||||
-rw-r--r-- | synapse/push/pusherpool.py | 30 | ||||
-rw-r--r-- | synapse/replication/http/_base.py | 10 | ||||
-rw-r--r-- | synapse/server.py | 7 | ||||
-rw-r--r-- | synapse/storage/engines/postgres.py | 8 | ||||
-rw-r--r-- | synapse/storage/events.py | 3 | ||||
-rw-r--r-- | synapse/storage/registration.py | 6 | ||||
-rw-r--r-- | synapse/storage/search.py | 22 |
18 files changed, 288 insertions, 67 deletions
diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py index 5c4fc8ff21..acadef4fd3 100644 --- a/synapse/config/homeserver.py +++ b/synapse/config/homeserver.py @@ -38,6 +38,7 @@ from .server import ServerConfig from .server_notices_config import ServerNoticesConfig from .spam_checker import SpamCheckerConfig from .stats import StatsConfig +from .third_party_event_rules import ThirdPartyRulesConfig from .tls import TlsConfig from .user_directory import UserDirectoryConfig from .voip import VoipConfig @@ -73,5 +74,6 @@ class HomeServerConfig( StatsConfig, ServerNoticesConfig, RoomDirectoryConfig, + ThirdPartyRulesConfig, ): pass diff --git a/synapse/config/third_party_event_rules.py b/synapse/config/third_party_event_rules.py new file mode 100644 index 0000000000..a89dd5f98a --- /dev/null +++ b/synapse/config/third_party_event_rules.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 The Matrix.org Foundation C.I.C. +# +# 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.util.module_loader import load_module + +from ._base import Config + + +class ThirdPartyRulesConfig(Config): + def read_config(self, config): + self.third_party_event_rules = None + + provider = config.get("third_party_event_rules", None) + if provider is not None: + self.third_party_event_rules = load_module(provider) + + def default_config(self, **kwargs): + return """\ + # Server admins can define a Python module that implements extra rules for + # allowing or denying incoming events. In order to work, this module needs to + # override the methods defined in synapse/events/third_party_rules.py. + # + # This feature is designed to be used in closed federations only, where each + # participating server enforces the same rules. + # + #third_party_event_rules: + # module: "my_custom_project.SuperRulesSet" + # config: + # example_option: 'things' + """ diff --git a/synapse/events/third_party_rules.py b/synapse/events/third_party_rules.py new file mode 100644 index 0000000000..9f98d51523 --- /dev/null +++ b/synapse/events/third_party_rules.py @@ -0,0 +1,62 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 The Matrix.org Foundation C.I.C. +# +# 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 twisted.internet import defer + + +class ThirdPartyEventRules(object): + """Allows server admins to provide a Python module implementing an extra set of rules + to apply when processing events. + + This is designed to help admins of closed federations with enforcing custom + behaviours. + """ + + def __init__(self, hs): + self.third_party_rules = None + + self.store = hs.get_datastore() + + module = None + config = None + if hs.config.third_party_event_rules: + module, config = hs.config.third_party_event_rules + + if module is not None: + self.third_party_rules = module(config=config) + + @defer.inlineCallbacks + def check_event_allowed(self, event, context): + """Check if a provided event should be allowed in the given context. + + Args: + event (synapse.events.EventBase): The event to be checked. + context (synapse.events.snapshot.EventContext): The context of the event. + + Returns: + defer.Deferred(bool), True if the event should be allowed, False if not. + """ + if self.third_party_rules is None: + defer.returnValue(True) + + prev_state_ids = yield context.get_prev_state_ids(self.store) + + # Retrieve the state events from the database. + state_events = {} + for key, event_id in prev_state_ids.items(): + state_events[key] = yield self.store.get_event(event_id, allow_none=True) + + ret = yield self.third_party_rules.check_event_allowed(event, state_events) + defer.returnValue(ret) diff --git a/synapse/groups/attestations.py b/synapse/groups/attestations.py index e5dda1975f..3ba74001d8 100644 --- a/synapse/groups/attestations.py +++ b/synapse/groups/attestations.py @@ -42,7 +42,7 @@ from signedjson.sign import sign_json from twisted.internet import defer -from synapse.api.errors import RequestSendFailed, SynapseError +from synapse.api.errors import HttpResponseException, RequestSendFailed, SynapseError from synapse.metrics.background_process_metrics import run_as_background_process from synapse.types import get_domain_from_id from synapse.util.logcontext import run_in_background @@ -132,9 +132,10 @@ class GroupAttestionRenewer(object): self.is_mine_id = hs.is_mine_id self.attestations = hs.get_groups_attestation_signing() - self._renew_attestations_loop = self.clock.looping_call( - self._start_renew_attestations, 30 * 60 * 1000, - ) + if not hs.config.worker_app: + self._renew_attestations_loop = self.clock.looping_call( + self._start_renew_attestations, 30 * 60 * 1000, + ) @defer.inlineCallbacks def on_renew_attestation(self, group_id, user_id, content): @@ -194,7 +195,7 @@ class GroupAttestionRenewer(object): yield self.store.update_attestation_renewal( group_id, user_id, attestation ) - except RequestSendFailed as e: + except (RequestSendFailed, HttpResponseException) as e: logger.warning( "Failed to renew attestation of %r in %r: %s", user_id, group_id, e, diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index ac5ca79143..93e064cda3 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1,6 +1,7 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd -# Copyright 2018 New Vector Ltd +# Copyright 2017-2018 New Vector Ltd +# Copyright 2019 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -33,6 +34,7 @@ from synapse.api.constants import EventTypes, Membership, RejectedReason from synapse.api.errors import ( AuthError, CodeMessageException, + Codes, FederationDeniedError, FederationError, RequestSendFailed, @@ -127,6 +129,8 @@ class FederationHandler(BaseHandler): self.room_queues = {} self._room_pdu_linearizer = Linearizer("fed_room_pdu") + self.third_party_event_rules = hs.get_third_party_event_rules() + @defer.inlineCallbacks def on_receive_pdu( self, origin, pdu, sent_to_us_directly=False, @@ -1258,6 +1262,15 @@ class FederationHandler(BaseHandler): logger.warn("Failed to create join %r because %s", event, e) raise e + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.info("Creation of join %s forbidden by third-party rules", event) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + # The remote hasn't signed it yet, obviously. We'll do the full checks # when we get the event back in `on_send_join_request` yield self.auth.check_from_context( @@ -1300,6 +1313,15 @@ class FederationHandler(BaseHandler): origin, event ) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.info("Sending of join %s forbidden by third-party rules", event) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + logger.debug( "on_send_join_request: After _handle_new_event: %s, sigs: %s", event.event_id, @@ -1458,6 +1480,15 @@ class FederationHandler(BaseHandler): builder=builder, ) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.warning("Creation of leave %s forbidden by third-party rules", event) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + try: # The remote hasn't signed it yet, obviously. We'll do the full checks # when we get the event back in `on_send_leave_request` @@ -1484,10 +1515,19 @@ class FederationHandler(BaseHandler): event.internal_metadata.outlier = False - yield self._handle_new_event( + context = yield self._handle_new_event( origin, event ) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.info("Sending of leave %s forbidden by third-party rules", event) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + logger.debug( "on_send_leave_request: After _handle_new_event: %s, sigs: %s", event.event_id, @@ -2550,6 +2590,18 @@ class FederationHandler(BaseHandler): builder=builder ) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.info( + "Creation of threepid invite %s forbidden by third-party rules", + event, + ) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + event, context = yield self.add_display_name_to_third_party_invite( room_version, event_dict, event, context ) @@ -2598,6 +2650,18 @@ class FederationHandler(BaseHandler): builder=builder, ) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + logger.warning( + "Exchange of threepid invite %s forbidden by third-party rules", + event, + ) + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + event, context = yield self.add_display_name_to_third_party_invite( room_version, event_dict, event, context ) @@ -2613,12 +2677,6 @@ class FederationHandler(BaseHandler): # though the sender isn't a local user. event.internal_metadata.send_on_behalf_of = get_domain_from_id(event.sender) - # XXX we send the invite here, but send_membership_event also sends it, - # so we end up making two requests. I think this is redundant. - returned_invite = yield self.send_invite(origin, event) - # TODO: Make sure the signatures actually are correct. - event.signatures.update(returned_invite.signatures) - member_handler = self.hs.get_room_member_handler() yield member_handler.send_membership_event(None, event, context) diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py index 02c508acec..f60ace02e8 100644 --- a/synapse/handlers/groups_local.py +++ b/synapse/handlers/groups_local.py @@ -49,9 +49,7 @@ def _create_rerouter(func_name): def http_response_errback(failure): failure.trap(HttpResponseException) e = failure.value - if e.code == 403: - raise e.to_synapse_error() - return failure + raise e.to_synapse_error() def request_failed_errback(failure): failure.trap(RequestSendFailed) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 0b02469ceb..11650dc80c 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -1,6 +1,7 @@ # -*- coding: utf-8 -*- -# Copyright 2014 - 2016 OpenMarket Ltd -# Copyright 2017 - 2018 New Vector Ltd +# Copyright 2014-2016 OpenMarket Ltd +# Copyright 2017-2018 New Vector Ltd +# Copyright 2019 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -248,6 +249,7 @@ class EventCreationHandler(object): self.action_generator = hs.get_action_generator() self.spam_checker = hs.get_spam_checker() + self.third_party_event_rules = hs.get_third_party_event_rules() self._block_events_without_consent_error = ( self.config.block_events_without_consent_error @@ -658,6 +660,14 @@ class EventCreationHandler(object): else: room_version = yield self.store.get_room_version(event.room_id) + event_allowed = yield self.third_party_event_rules.check_event_allowed( + event, context, + ) + if not event_allowed: + raise SynapseError( + 403, "This event is not allowed in this context", Codes.FORBIDDEN, + ) + try: yield self.auth.check_from_context(room_version, event, context) except AuthError as err: diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py index a5fc6c5dbf..3e04233394 100644 --- a/synapse/handlers/profile.py +++ b/synapse/handlers/profile.py @@ -15,12 +15,15 @@ import logging +from six import raise_from + from twisted.internet import defer from synapse.api.errors import ( AuthError, - CodeMessageException, Codes, + HttpResponseException, + RequestSendFailed, StoreError, SynapseError, ) @@ -85,10 +88,10 @@ class BaseProfileHandler(BaseHandler): ignore_backoff=True, ) defer.returnValue(result) - except CodeMessageException as e: - if e.code != 404: - logger.exception("Failed to get displayname") - raise + except RequestSendFailed as e: + raise_from(SynapseError(502, "Failed to fetch profile"), e) + except HttpResponseException as e: + raise e.to_synapse_error() @defer.inlineCallbacks def get_profile_from_cache(self, user_id): @@ -142,10 +145,10 @@ class BaseProfileHandler(BaseHandler): }, ignore_backoff=True, ) - except CodeMessageException as e: - if e.code != 404: - logger.exception("Failed to get displayname") - raise + except RequestSendFailed as e: + raise_from(SynapseError(502, "Failed to fetch profile"), e) + except HttpResponseException as e: + raise e.to_synapse_error() defer.returnValue(result["displayname"]) @@ -208,10 +211,10 @@ class BaseProfileHandler(BaseHandler): }, ignore_backoff=True, ) - except CodeMessageException as e: - if e.code != 404: - logger.exception("Failed to get avatar_url") - raise + except RequestSendFailed as e: + raise_from(SynapseError(502, "Failed to fetch profile"), e) + except HttpResponseException as e: + raise e.to_synapse_error() defer.returnValue(result["avatar_url"]) diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 0d3ae1a43d..8aee14a8a8 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -224,7 +224,6 @@ class BucketCollector(object): for i, bound in enumerate(self.buckets): if x <= bound: buckets[bound] = buckets.get(bound, 0) + data[x] - break for i in self.buckets: res.append([str(i), buckets.get(i, 0)]) diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py index e8ee67401f..c89a8438a9 100644 --- a/synapse/push/emailpusher.py +++ b/synapse/push/emailpusher.py @@ -114,6 +114,21 @@ class EmailPusher(object): run_as_background_process("emailpush.process", self._process) + def _pause_processing(self): + """Used by tests to temporarily pause processing of events. + + Asserts that its not currently processing. + """ + assert not self._is_processing + self._is_processing = True + + def _resume_processing(self): + """Used by tests to resume processing of events after pausing. + """ + assert self._is_processing + self._is_processing = False + self._start_processing() + @defer.inlineCallbacks def _process(self): # we should never get here if we are already processing @@ -215,6 +230,10 @@ class EmailPusher(object): @defer.inlineCallbacks def save_last_stream_ordering_and_success(self, last_stream_ordering): + if last_stream_ordering is None: + # This happens if we haven't yet processed anything + return + self.last_stream_ordering = last_stream_ordering yield self.store.update_pusher_last_stream_ordering_and_success( self.app_id, self.email, self.user_id, diff --git a/synapse/push/presentable_names.py b/synapse/push/presentable_names.py index eef6e18c2e..0c66702325 100644 --- a/synapse/push/presentable_names.py +++ b/synapse/push/presentable_names.py @@ -162,6 +162,17 @@ def calculate_room_name(store, room_state_ids, user_id, fallback_to_members=True def descriptor_from_member_events(member_events): + """Get a description of the room based on the member events. + + Args: + member_events (Iterable[FrozenEvent]) + + Returns: + str + """ + + member_events = list(member_events) + if len(member_events) == 0: return "nobody" elif len(member_events) == 1: diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index 40a7709c09..63c583565f 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -60,6 +60,11 @@ class PusherPool: def add_pusher(self, user_id, access_token, kind, app_id, app_display_name, device_display_name, pushkey, lang, data, profile_tag=""): + """Creates a new pusher and adds it to the pool + + Returns: + Deferred[EmailPusher|HttpPusher] + """ time_now_msec = self.clock.time_msec() # we try to create the pusher just to validate the config: it @@ -103,7 +108,9 @@ class PusherPool: last_stream_ordering=last_stream_ordering, profile_tag=profile_tag, ) - yield self.start_pusher_by_id(app_id, pushkey, user_id) + pusher = yield self.start_pusher_by_id(app_id, pushkey, user_id) + + defer.returnValue(pusher) @defer.inlineCallbacks def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey, @@ -184,7 +191,11 @@ class PusherPool: @defer.inlineCallbacks def start_pusher_by_id(self, app_id, pushkey, user_id): - """Look up the details for the given pusher, and start it""" + """Look up the details for the given pusher, and start it + + Returns: + Deferred[EmailPusher|HttpPusher|None]: The pusher started, if any + """ if not self._should_start_pushers: return @@ -192,13 +203,16 @@ class PusherPool: app_id, pushkey ) - p = None + pusher_dict = None for r in resultlist: if r['user_name'] == user_id: - p = r + pusher_dict = r - if p: - yield self._start_pusher(p) + pusher = None + if pusher_dict: + pusher = yield self._start_pusher(pusher_dict) + + defer.returnValue(pusher) @defer.inlineCallbacks def _start_pushers(self): @@ -224,7 +238,7 @@ class PusherPool: pusherdict (dict): Returns: - None + Deferred[EmailPusher|HttpPusher] """ try: p = self.pusher_factory.create_pusher(pusherdict) @@ -270,6 +284,8 @@ class PusherPool: p.on_started(have_notifs) + defer.returnValue(p) + @defer.inlineCallbacks def remove_pusher(self, app_id, pushkey, user_id): appid_pushkey = "%s:%s" % (app_id, pushkey) diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py index e81456ab2b..0a432a16fa 100644 --- a/synapse/replication/http/_base.py +++ b/synapse/replication/http/_base.py @@ -17,11 +17,17 @@ import abc import logging import re +from six import raise_from from six.moves import urllib from twisted.internet import defer -from synapse.api.errors import CodeMessageException, HttpResponseException +from synapse.api.errors import ( + CodeMessageException, + HttpResponseException, + RequestSendFailed, + SynapseError, +) from synapse.util.caches.response_cache import ResponseCache from synapse.util.stringutils import random_string @@ -175,6 +181,8 @@ class ReplicationEndpoint(object): # on the master process that we should send to the client. (And # importantly, not stack traces everywhere) raise e.to_synapse_error() + except RequestSendFailed as e: + raise_from(SynapseError(502, "Failed to talk to master"), e) defer.returnValue(result) diff --git a/synapse/server.py b/synapse/server.py index 9229a68a8d..a54e023cc9 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -1,5 +1,7 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2017-2018 New Vector Ltd +# Copyright 2019 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -35,6 +37,7 @@ from synapse.crypto import context_factory from synapse.crypto.keyring import Keyring from synapse.events.builder import EventBuilderFactory from synapse.events.spamcheck import SpamChecker +from synapse.events.third_party_rules import ThirdPartyEventRules from synapse.events.utils import EventClientSerializer from synapse.federation.federation_client import FederationClient from synapse.federation.federation_server import ( @@ -178,6 +181,7 @@ class HomeServer(object): 'groups_attestation_renewer', 'secrets', 'spam_checker', + 'third_party_event_rules', 'room_member_handler', 'federation_registry', 'server_notices_manager', @@ -483,6 +487,9 @@ class HomeServer(object): def build_spam_checker(self): return SpamChecker(self) + def build_third_party_event_rules(self): + return ThirdPartyEventRules(self) + def build_room_member_handler(self): if self.config.worker_app: return RoomMemberWorkerHandler(self) diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py index 1b97ee74e3..289b6bc281 100644 --- a/synapse/storage/engines/postgres.py +++ b/synapse/storage/engines/postgres.py @@ -45,6 +45,10 @@ class PostgresEngine(object): # together. For example, version 8.1.5 will be returned as 80105 self._version = db_conn.server_version + # Are we on a supported PostgreSQL version? + if self._version < 90500: + raise RuntimeError("Synapse requires PostgreSQL 9.5+ or above.") + db_conn.set_isolation_level( self.module.extensions.ISOLATION_LEVEL_REPEATABLE_READ ) @@ -64,9 +68,9 @@ class PostgresEngine(object): @property def can_native_upsert(self): """ - Can we use native UPSERTs? This requires PostgreSQL 9.5+. + Can we use native UPSERTs? """ - return self._version >= 90500 + return True def is_deadlock(self, error): if isinstance(error, self.module.DatabaseError): diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 1578403f79..f631fb1733 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -228,7 +228,8 @@ class EventsStore( self._state_resolution_handler = hs.get_state_resolution_handler() # Collect metrics on the number of forward extremities that exist. - self._current_forward_extremities_amount = {} + # Counter of number of extremities to count + self._current_forward_extremities_amount = c_counter() BucketCollector( "synapse_forward_extremities", diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 9f910eac9c..d36917e4d6 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -642,7 +642,9 @@ class RegistrationStore( FROM users LEFT JOIN access_tokens ON (access_tokens.user_id = users.name) LEFT JOIN user_threepids ON (user_threepids.user_id = users.name) - WHERE password_hash IS NULL OR password_hash = '' + WHERE (users.password_hash IS NULL OR users.password_hash = '') + AND (users.appservice_id IS NULL OR users.appservice_id = '') + AND users.is_guest = 0 AND users.name > ? GROUP BY users.name ORDER BY users.name ASC @@ -666,7 +668,7 @@ class RegistrationStore( logger.info("Marked %d rows as deactivated", rows_processed_nb) self._background_update_progress_txn( - txn, "users_set_deactivated_flag", {"user_id": rows[-1]["user_id"]} + txn, "users_set_deactivated_flag", {"user_id": rows[-1]["name"]} ) if batch_size > len(rows): diff --git a/synapse/storage/search.py b/synapse/storage/search.py index ff49eaae02..10a27c207a 100644 --- a/synapse/storage/search.py +++ b/synapse/storage/search.py @@ -341,29 +341,7 @@ class SearchStore(BackgroundUpdateStore): for entry in entries ) - # inserts to a GIN index are normally batched up into a pending - # list, and then all committed together once the list gets to a - # certain size. The trouble with that is that postgres (pre-9.5) - # uses work_mem to determine the length of the list, and work_mem - # is typically very large. - # - # We therefore reduce work_mem while we do the insert. - # - # (postgres 9.5 uses the separate gin_pending_list_limit setting, - # so doesn't suffer the same problem, but changing work_mem will - # be harmless) - # - # Note that we don't need to worry about restoring it on - # exception, because exceptions will cause the transaction to be - # rolled back, including the effects of the SET command. - # - # Also: we use SET rather than SET LOCAL because there's lots of - # other stuff going on in this transaction, which want to have the - # normal work_mem setting. - - txn.execute("SET work_mem='256kB'") txn.executemany(sql, args) - txn.execute("RESET work_mem") elif isinstance(self.database_engine, Sqlite3Engine): sql = ( |