diff options
author | Hubert Chathi <hubert@uhoreg.ca> | 2019-09-04 19:12:29 -0400 |
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committer | Hubert Chathi <hubert@uhoreg.ca> | 2019-09-04 19:12:29 -0400 |
commit | faf72a4c403000f7815d171feb8bf1a83b353584 (patch) | |
tree | d150b317ef4d0cf2245b664a37e51d76c0870352 /synapse/storage | |
parent | Merge branch 'uhoreg/e2e_cross-signing_merged' into cross-signing_keys (diff) | |
parent | Remove bind_email and bind_msisdn (#5964) (diff) | |
download | synapse-faf72a4c403000f7815d171feb8bf1a83b353584.tar.xz |
Merge branch 'develop' into cross-signing_keys
Diffstat (limited to 'synapse/storage')
-rw-r--r-- | synapse/storage/account_data.py | 8 | ||||
-rw-r--r-- | synapse/storage/appservice.py | 3 | ||||
-rw-r--r-- | synapse/storage/deviceinbox.py | 25 | ||||
-rw-r--r-- | synapse/storage/devices.py | 15 | ||||
-rw-r--r-- | synapse/storage/directory.py | 2 | ||||
-rw-r--r-- | synapse/storage/events.py | 15 | ||||
-rw-r--r-- | synapse/storage/presence.py | 2 | ||||
-rw-r--r-- | synapse/storage/profile.py | 1 | ||||
-rw-r--r-- | synapse/storage/pusher.py | 2 | ||||
-rw-r--r-- | synapse/storage/receipts.py | 2 | ||||
-rw-r--r-- | synapse/storage/registration.py | 12 | ||||
-rw-r--r-- | synapse/storage/roommember.py | 44 | ||||
-rw-r--r-- | synapse/storage/schema/delta/56/stats_separated.sql | 152 | ||||
-rw-r--r-- | synapse/storage/stats.py | 1036 | ||||
-rw-r--r-- | synapse/storage/stream.py | 12 | ||||
-rw-r--r-- | synapse/storage/util/id_generators.py | 4 |
16 files changed, 958 insertions, 377 deletions
diff --git a/synapse/storage/account_data.py b/synapse/storage/account_data.py index 9fa5b4f3d6..6afbfc0d74 100644 --- a/synapse/storage/account_data.py +++ b/synapse/storage/account_data.py @@ -90,7 +90,7 @@ class AccountDataWorkerStore(SQLBaseStore): room_data = by_room.setdefault(row["room_id"], {}) room_data[row["account_data_type"]] = json.loads(row["content"]) - return (global_account_data, by_room) + return global_account_data, by_room return self.runInteraction( "get_account_data_for_user", get_account_data_for_user_txn @@ -205,7 +205,7 @@ class AccountDataWorkerStore(SQLBaseStore): ) txn.execute(sql, (last_room_id, current_id, limit)) room_results = txn.fetchall() - return (global_results, room_results) + return global_results, room_results return self.runInteraction( "get_all_updated_account_data_txn", get_updated_account_data_txn @@ -244,13 +244,13 @@ class AccountDataWorkerStore(SQLBaseStore): room_account_data = account_data_by_room.setdefault(row[0], {}) room_account_data[row[1]] = json.loads(row[2]) - return (global_account_data, account_data_by_room) + return global_account_data, account_data_by_room changed = self._account_data_stream_cache.has_entity_changed( user_id, int(stream_id) ) if not changed: - return ({}, {}) + return {}, {} return self.runInteraction( "get_updated_account_data_for_user", get_updated_account_data_for_user_txn diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py index 05d9c05c3f..435b2acd4d 100644 --- a/synapse/storage/appservice.py +++ b/synapse/storage/appservice.py @@ -165,7 +165,6 @@ class ApplicationServiceTransactionWorkerStore( ) if result: return result.get("state") - return return None def set_appservice_state(self, service, state): @@ -358,7 +357,7 @@ class ApplicationServiceTransactionWorkerStore( events = yield self.get_events_as_list(event_ids) - return (upper_bound, events) + return upper_bound, events class ApplicationServiceTransactionStore(ApplicationServiceTransactionWorkerStore): diff --git a/synapse/storage/deviceinbox.py b/synapse/storage/deviceinbox.py index 79bb0ea46d..6b7458304e 100644 --- a/synapse/storage/deviceinbox.py +++ b/synapse/storage/deviceinbox.py @@ -19,6 +19,7 @@ from canonicaljson import json from twisted.internet import defer +from synapse.logging.opentracing import log_kv, set_tag, trace from synapse.storage._base import SQLBaseStore from synapse.storage.background_updates import BackgroundUpdateStore from synapse.util.caches.expiringcache import ExpiringCache @@ -66,12 +67,13 @@ class DeviceInboxWorkerStore(SQLBaseStore): messages.append(json.loads(row[1])) if len(messages) < limit: stream_pos = current_stream_id - return (messages, stream_pos) + return messages, stream_pos return self.runInteraction( "get_new_messages_for_device", get_new_messages_for_device_txn ) + @trace @defer.inlineCallbacks def delete_messages_for_device(self, user_id, device_id, up_to_stream_id): """ @@ -87,11 +89,15 @@ class DeviceInboxWorkerStore(SQLBaseStore): last_deleted_stream_id = self._last_device_delete_cache.get( (user_id, device_id), None ) + + set_tag("last_deleted_stream_id", last_deleted_stream_id) + if last_deleted_stream_id: has_changed = self._device_inbox_stream_cache.has_entity_changed( user_id, last_deleted_stream_id ) if not has_changed: + log_kv({"message": "No changes in cache since last check"}) return 0 def delete_messages_for_device_txn(txn): @@ -107,6 +113,10 @@ class DeviceInboxWorkerStore(SQLBaseStore): "delete_messages_for_device", delete_messages_for_device_txn ) + log_kv( + {"message": "deleted {} messages for device".format(count), "count": count} + ) + # Update the cache, ensuring that we only ever increase the value last_deleted_stream_id = self._last_device_delete_cache.get( (user_id, device_id), 0 @@ -117,6 +127,7 @@ class DeviceInboxWorkerStore(SQLBaseStore): return count + @trace def get_new_device_msgs_for_remote( self, destination, last_stream_id, current_stream_id, limit ): @@ -132,16 +143,23 @@ class DeviceInboxWorkerStore(SQLBaseStore): in the stream the messages got to. """ + set_tag("destination", destination) + set_tag("last_stream_id", last_stream_id) + set_tag("current_stream_id", current_stream_id) + set_tag("limit", limit) + has_changed = self._device_federation_outbox_stream_cache.has_entity_changed( destination, last_stream_id ) if not has_changed or last_stream_id == current_stream_id: + log_kv({"message": "No new messages in stream"}) return defer.succeed(([], current_stream_id)) if limit <= 0: # This can happen if we run out of room for EDUs in the transaction. return defer.succeed(([], last_stream_id)) + @trace def get_new_messages_for_remote_destination_txn(txn): sql = ( "SELECT stream_id, messages_json FROM device_federation_outbox" @@ -156,14 +174,16 @@ class DeviceInboxWorkerStore(SQLBaseStore): stream_pos = row[0] messages.append(json.loads(row[1])) if len(messages) < limit: + log_kv({"message": "Set stream position to current position"}) stream_pos = current_stream_id - return (messages, stream_pos) + return messages, stream_pos return self.runInteraction( "get_new_device_msgs_for_remote", get_new_messages_for_remote_destination_txn, ) + @trace def delete_device_msgs_for_remote(self, destination, up_to_stream_id): """Used to delete messages when the remote destination acknowledges their receipt. @@ -214,6 +234,7 @@ class DeviceInboxStore(DeviceInboxWorkerStore, BackgroundUpdateStore): expiry_ms=30 * 60 * 1000, ) + @trace @defer.inlineCallbacks def add_messages_to_device_inbox( self, local_messages_by_user_then_device, remote_messages_by_destination diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py index 51eac0f5e7..7b4213f20b 100644 --- a/synapse/storage/devices.py +++ b/synapse/storage/devices.py @@ -25,6 +25,7 @@ from twisted.internet import defer from synapse.api.errors import Codes, StoreError from synapse.logging.opentracing import ( get_active_span_text_map, + set_tag, trace, whitelisted_homeserver, ) @@ -98,7 +99,7 @@ class DeviceWorkerStore(SQLBaseStore): destination, int(from_stream_id) ) if not has_changed: - return (now_stream_id, []) + return now_stream_id, [] # We retrieve n+1 devices from the list of outbound pokes where n is # our outbound device update limit. We then check if the very last @@ -121,7 +122,7 @@ class DeviceWorkerStore(SQLBaseStore): # Return an empty list if there are no updates if not updates: - return (now_stream_id, []) + return now_stream_id, [] # if we have exceeded the limit, we need to exclude any results with the # same stream_id as the last row. @@ -171,13 +172,13 @@ class DeviceWorkerStore(SQLBaseStore): # skip that stream_id and return an empty list, and continue with the next # stream_id next time. if not query_map: - return (stream_id_cutoff, []) + return stream_id_cutoff, [] results = yield self._get_device_update_edus_by_remote( destination, from_stream_id, query_map ) - return (now_stream_id, results) + return now_stream_id, results def _get_devices_by_remote_txn( self, txn, destination, from_stream_id, now_stream_id, limit @@ -360,6 +361,7 @@ class DeviceWorkerStore(SQLBaseStore): def get_device_stream_token(self): return self._device_list_id_gen.get_current_token() + @trace @defer.inlineCallbacks def get_user_devices_from_cache(self, query_list): """Get the devices (and keys if any) for remote users from the cache. @@ -391,7 +393,10 @@ class DeviceWorkerStore(SQLBaseStore): else: results[user_id] = yield self._get_cached_devices_for_user(user_id) - return (user_ids_not_in_cache, results) + set_tag("in_cache", results) + set_tag("not_in_cache", user_ids_not_in_cache) + + return user_ids_not_in_cache, results @cachedInlineCallbacks(num_args=2, tree=True) def _get_cached_user_device(self, user_id, device_id): diff --git a/synapse/storage/directory.py b/synapse/storage/directory.py index e966a73f3d..eed7757ed5 100644 --- a/synapse/storage/directory.py +++ b/synapse/storage/directory.py @@ -47,7 +47,6 @@ class DirectoryWorkerStore(SQLBaseStore): if not room_id: return None - return servers = yield self._simple_select_onecol( "room_alias_servers", @@ -58,7 +57,6 @@ class DirectoryWorkerStore(SQLBaseStore): if not servers: return None - return return RoomAliasMapping(room_id, room_alias.to_string(), servers) diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 5a95c36a8b..1958afe1d7 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -810,7 +810,7 @@ class EventsStore( # If they old and new groups are the same then we don't need to do # anything. if old_state_groups == new_state_groups: - return (None, None) + return None, None if len(new_state_groups) == 1 and len(old_state_groups) == 1: # If we're going from one state group to another, lets check if @@ -827,7 +827,7 @@ class EventsStore( # the current state in memory then lets also return that, # but it doesn't matter if we don't. new_state = state_groups_map.get(new_state_group) - return (new_state, delta_ids) + return new_state, delta_ids # Now that we have calculated new_state_groups we need to get # their state IDs so we can resolve to a single state set. @@ -839,7 +839,7 @@ class EventsStore( if len(new_state_groups) == 1: # If there is only one state group, then we know what the current # state is. - return (state_groups_map[new_state_groups.pop()], None) + return state_groups_map[new_state_groups.pop()], None # Ok, we need to defer to the state handler to resolve our state sets. @@ -868,7 +868,7 @@ class EventsStore( state_res_store=StateResolutionStore(self), ) - return (res.state, None) + return res.state, None @defer.inlineCallbacks def _calculate_state_delta(self, room_id, current_state): @@ -891,7 +891,7 @@ class EventsStore( if ev_id != existing_state.get(key) } - return (to_delete, to_insert) + return to_delete, to_insert @log_function def _persist_events_txn( @@ -2270,8 +2270,9 @@ class EventsStore( "room_aliases", "room_depth", "room_memberships", - "room_state", - "room_stats", + "room_stats_state", + "room_stats_current", + "room_stats_historical", "room_stats_earliest_token", "rooms", "stream_ordering_to_exterm", diff --git a/synapse/storage/presence.py b/synapse/storage/presence.py index 1a0f2d5768..5db6f2d84a 100644 --- a/synapse/storage/presence.py +++ b/synapse/storage/presence.py @@ -90,7 +90,7 @@ class PresenceStore(SQLBaseStore): presence_states, ) - return (stream_orderings[-1], self._presence_id_gen.get_current_token()) + return stream_orderings[-1], self._presence_id_gen.get_current_token() def _update_presence_txn(self, txn, stream_orderings, presence_states): for stream_id, state in zip(stream_orderings, presence_states): diff --git a/synapse/storage/profile.py b/synapse/storage/profile.py index 8a5d8e9b18..912c1df6be 100644 --- a/synapse/storage/profile.py +++ b/synapse/storage/profile.py @@ -35,7 +35,6 @@ class ProfileWorkerStore(SQLBaseStore): if e.code == 404: # no match return ProfileInfo(None, None) - return else: raise diff --git a/synapse/storage/pusher.py b/synapse/storage/pusher.py index b431d24b8a..3e0e834a62 100644 --- a/synapse/storage/pusher.py +++ b/synapse/storage/pusher.py @@ -133,7 +133,7 @@ class PusherWorkerStore(SQLBaseStore): txn.execute(sql, (last_id, current_id, limit)) deleted = txn.fetchall() - return (updated, deleted) + return updated, deleted return self.runInteraction( "get_all_updated_pushers", get_all_updated_pushers_txn diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index 6aa6d98ebb..290ddb30e8 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -478,7 +478,7 @@ class ReceiptsStore(ReceiptsWorkerStore): max_persisted_id = self._receipts_id_gen.get_current_token() - return (stream_id, max_persisted_id) + return stream_id, max_persisted_id def insert_graph_receipt(self, room_id, receipt_type, user_id, event_ids, data): return self.runInteraction( diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 3f50324253..2d3c7e2dc9 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -869,6 +869,17 @@ class RegistrationStore( (user_id_obj.localpart, create_profile_with_displayname), ) + if self.hs.config.stats_enabled: + # we create a new completed user statistics row + + # we don't strictly need current_token since this user really can't + # have any state deltas before now (as it is a new user), but still, + # we include it for completeness. + current_token = self._get_max_stream_id_in_current_state_deltas_txn(txn) + self._update_stats_delta_txn( + txn, now, "user", user_id, {}, complete_with_stream_id=current_token + ) + self._invalidate_cache_and_stream(txn, self.get_user_by_id, (user_id,)) txn.call_after(self.is_guest.invalidate, (user_id,)) @@ -1140,6 +1151,7 @@ class RegistrationStore( deferred str|None: A str representing a link to redirect the user to if there is one. """ + # Insert everything into a transaction in order to run atomically def validate_threepid_session_txn(txn): row = self._simple_select_one_txn( diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index eecb276465..f8b682ebd9 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -112,29 +112,31 @@ class RoomMemberWorkerStore(EventsWorkerStore): @cached(max_entries=100000, iterable=True) def get_users_in_room(self, room_id): - def f(txn): - # If we can assume current_state_events.membership is up to date - # then we can avoid a join, which is a Very Good Thing given how - # frequently this function gets called. - if self._current_state_events_membership_up_to_date: - sql = """ - SELECT state_key FROM current_state_events - WHERE type = 'm.room.member' AND room_id = ? AND membership = ? - """ - else: - sql = """ - SELECT state_key FROM room_memberships as m - INNER JOIN current_state_events as c - ON m.event_id = c.event_id - AND m.room_id = c.room_id - AND m.user_id = c.state_key - WHERE c.type = 'm.room.member' AND c.room_id = ? AND m.membership = ? - """ + return self.runInteraction( + "get_users_in_room", self.get_users_in_room_txn, room_id + ) - txn.execute(sql, (room_id, Membership.JOIN)) - return [to_ascii(r[0]) for r in txn] + def get_users_in_room_txn(self, txn, room_id): + # If we can assume current_state_events.membership is up to date + # then we can avoid a join, which is a Very Good Thing given how + # frequently this function gets called. + if self._current_state_events_membership_up_to_date: + sql = """ + SELECT state_key FROM current_state_events + WHERE type = 'm.room.member' AND room_id = ? AND membership = ? + """ + else: + sql = """ + SELECT state_key FROM room_memberships as m + INNER JOIN current_state_events as c + ON m.event_id = c.event_id + AND m.room_id = c.room_id + AND m.user_id = c.state_key + WHERE c.type = 'm.room.member' AND c.room_id = ? AND m.membership = ? + """ - return self.runInteraction("get_users_in_room", f) + txn.execute(sql, (room_id, Membership.JOIN)) + return [to_ascii(r[0]) for r in txn] @cached(max_entries=100000) def get_room_summary(self, room_id): diff --git a/synapse/storage/schema/delta/56/stats_separated.sql b/synapse/storage/schema/delta/56/stats_separated.sql new file mode 100644 index 0000000000..163529c071 --- /dev/null +++ b/synapse/storage/schema/delta/56/stats_separated.sql @@ -0,0 +1,152 @@ +/* Copyright 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. + * 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. + */ + + +----- First clean up from previous versions of room stats. + +-- First remove old stats stuff +DROP TABLE IF EXISTS room_stats; +DROP TABLE IF EXISTS room_state; +DROP TABLE IF EXISTS room_stats_state; +DROP TABLE IF EXISTS user_stats; +DROP TABLE IF EXISTS room_stats_earliest_tokens; +DROP TABLE IF EXISTS _temp_populate_stats_position; +DROP TABLE IF EXISTS _temp_populate_stats_rooms; +DROP TABLE IF EXISTS stats_stream_pos; + +-- Unschedule old background updates if they're still scheduled +DELETE FROM background_updates WHERE update_name IN ( + 'populate_stats_createtables', + 'populate_stats_process_rooms', + 'populate_stats_process_users', + 'populate_stats_cleanup' +); + +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('populate_stats_process_rooms', '{}', ''); + +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('populate_stats_process_users', '{}', 'populate_stats_process_rooms'); + +----- Create tables for our version of room stats. + +-- single-row table to track position of incremental updates +DROP TABLE IF EXISTS stats_incremental_position; +CREATE TABLE stats_incremental_position ( + Lock CHAR(1) NOT NULL DEFAULT 'X' UNIQUE, -- Makes sure this table only has one row. + stream_id BIGINT NOT NULL, + CHECK (Lock='X') +); + +-- insert a null row and make sure it is the only one. +INSERT INTO stats_incremental_position ( + stream_id +) SELECT COALESCE(MAX(stream_ordering), 0) from events; + +-- represents PRESENT room statistics for a room +-- only holds absolute fields +DROP TABLE IF EXISTS room_stats_current; +CREATE TABLE room_stats_current ( + room_id TEXT NOT NULL PRIMARY KEY, + + -- These are absolute counts + current_state_events INT NOT NULL, + joined_members INT NOT NULL, + invited_members INT NOT NULL, + left_members INT NOT NULL, + banned_members INT NOT NULL, + + local_users_in_room INT NOT NULL, + + -- The maximum delta stream position that this row takes into account. + completed_delta_stream_id BIGINT NOT NULL +); + + +-- represents HISTORICAL room statistics for a room +DROP TABLE IF EXISTS room_stats_historical; +CREATE TABLE room_stats_historical ( + room_id TEXT NOT NULL, + -- These stats cover the time from (end_ts - bucket_size)...end_ts (in ms). + -- Note that end_ts is quantised. + end_ts BIGINT NOT NULL, + bucket_size BIGINT NOT NULL, + + -- These stats are absolute counts + current_state_events BIGINT NOT NULL, + joined_members BIGINT NOT NULL, + invited_members BIGINT NOT NULL, + left_members BIGINT NOT NULL, + banned_members BIGINT NOT NULL, + local_users_in_room BIGINT NOT NULL, + + -- These stats are per time slice + total_events BIGINT NOT NULL, + total_event_bytes BIGINT NOT NULL, + + PRIMARY KEY (room_id, end_ts) +); + +-- We use this index to speed up deletion of ancient room stats. +CREATE INDEX room_stats_historical_end_ts ON room_stats_historical (end_ts); + +-- represents PRESENT statistics for a user +-- only holds absolute fields +DROP TABLE IF EXISTS user_stats_current; +CREATE TABLE user_stats_current ( + user_id TEXT NOT NULL PRIMARY KEY, + + joined_rooms BIGINT NOT NULL, + + -- The maximum delta stream position that this row takes into account. + completed_delta_stream_id BIGINT NOT NULL +); + +-- represents HISTORICAL statistics for a user +DROP TABLE IF EXISTS user_stats_historical; +CREATE TABLE user_stats_historical ( + user_id TEXT NOT NULL, + end_ts BIGINT NOT NULL, + bucket_size BIGINT NOT NULL, + + joined_rooms BIGINT NOT NULL, + + invites_sent BIGINT NOT NULL, + rooms_created BIGINT NOT NULL, + total_events BIGINT NOT NULL, + total_event_bytes BIGINT NOT NULL, + + PRIMARY KEY (user_id, end_ts) +); + +-- We use this index to speed up deletion of ancient user stats. +CREATE INDEX user_stats_historical_end_ts ON user_stats_historical (end_ts); + + +CREATE TABLE room_stats_state ( + room_id TEXT NOT NULL, + name TEXT, + canonical_alias TEXT, + join_rules TEXT, + history_visibility TEXT, + encryption TEXT, + avatar TEXT, + guest_access TEXT, + is_federatable BOOLEAN, + topic TEXT +); + +CREATE UNIQUE INDEX room_stats_state_room ON room_stats_state(room_id); diff --git a/synapse/storage/stats.py b/synapse/storage/stats.py index e13efed417..6560173c08 100644 --- a/synapse/storage/stats.py +++ b/synapse/storage/stats.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2018, 2019 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. @@ -14,17 +15,22 @@ # limitations under the License. import logging +from itertools import chain from twisted.internet import defer +from twisted.internet.defer import DeferredLock from synapse.api.constants import EventTypes, Membership -from synapse.storage.prepare_database import get_statements +from synapse.storage import PostgresEngine from synapse.storage.state_deltas import StateDeltasStore from synapse.util.caches.descriptors import cached logger = logging.getLogger(__name__) # these fields track absolutes (e.g. total number of rooms on the server) +# You can think of these as Prometheus Gauges. +# You can draw these stats on a line graph. +# Example: number of users in a room ABSOLUTE_STATS_FIELDS = { "room": ( "current_state_events", @@ -32,14 +38,23 @@ ABSOLUTE_STATS_FIELDS = { "invited_members", "left_members", "banned_members", - "state_events", + "local_users_in_room", ), - "user": ("public_rooms", "private_rooms"), + "user": ("joined_rooms",), } -TYPE_TO_ROOM = {"room": ("room_stats", "room_id"), "user": ("user_stats", "user_id")} +# these fields are per-timeslice and so should be reset to 0 upon a new slice +# You can draw these stats on a histogram. +# Example: number of events sent locally during a time slice +PER_SLICE_FIELDS = { + "room": ("total_events", "total_event_bytes"), + "user": ("invites_sent", "rooms_created", "total_events", "total_event_bytes"), +} + +TYPE_TO_TABLE = {"room": ("room_stats", "room_id"), "user": ("user_stats", "user_id")} -TEMP_TABLE = "_temp_populate_stats" +# these are the tables (& ID columns) which contain our actual subjects +TYPE_TO_ORIGIN_TABLE = {"room": ("rooms", "room_id"), "user": ("users", "name")} class StatsStore(StateDeltasStore): @@ -51,136 +66,102 @@ class StatsStore(StateDeltasStore): self.stats_enabled = hs.config.stats_enabled self.stats_bucket_size = hs.config.stats_bucket_size - self.register_background_update_handler( - "populate_stats_createtables", self._populate_stats_createtables - ) + self.stats_delta_processing_lock = DeferredLock() + self.register_background_update_handler( "populate_stats_process_rooms", self._populate_stats_process_rooms ) self.register_background_update_handler( - "populate_stats_cleanup", self._populate_stats_cleanup + "populate_stats_process_users", self._populate_stats_process_users ) + # we no longer need to perform clean-up, but we will give ourselves + # the potential to reintroduce it in the future – so documentation + # will still encourage the use of this no-op handler. + self.register_noop_background_update("populate_stats_cleanup") + self.register_noop_background_update("populate_stats_prepare") - @defer.inlineCallbacks - def _populate_stats_createtables(self, progress, batch_size): - - if not self.stats_enabled: - yield self._end_background_update("populate_stats_createtables") - return 1 - - # Get all the rooms that we want to process. - def _make_staging_area(txn): - # Create the temporary tables - stmts = get_statements( - """ - -- We just recreate the table, we'll be reinserting the - -- correct entries again later anyway. - DROP TABLE IF EXISTS {temp}_rooms; - - CREATE TABLE IF NOT EXISTS {temp}_rooms( - room_id TEXT NOT NULL, - events BIGINT NOT NULL - ); - - CREATE INDEX {temp}_rooms_events - ON {temp}_rooms(events); - CREATE INDEX {temp}_rooms_id - ON {temp}_rooms(room_id); - """.format( - temp=TEMP_TABLE - ).splitlines() - ) - - for statement in stmts: - txn.execute(statement) - - sql = ( - "CREATE TABLE IF NOT EXISTS " - + TEMP_TABLE - + "_position(position TEXT NOT NULL)" - ) - txn.execute(sql) - - # Get rooms we want to process from the database, only adding - # those that we haven't (i.e. those not in room_stats_earliest_token) - sql = """ - INSERT INTO %s_rooms (room_id, events) - SELECT c.room_id, count(*) FROM current_state_events AS c - LEFT JOIN room_stats_earliest_token AS t USING (room_id) - WHERE t.room_id IS NULL - GROUP BY c.room_id - """ % ( - TEMP_TABLE, - ) - txn.execute(sql) + def quantise_stats_time(self, ts): + """ + Quantises a timestamp to be a multiple of the bucket size. - new_pos = yield self.get_max_stream_id_in_current_state_deltas() - yield self.runInteraction("populate_stats_temp_build", _make_staging_area) - yield self._simple_insert(TEMP_TABLE + "_position", {"position": new_pos}) - self.get_earliest_token_for_room_stats.invalidate_all() + Args: + ts (int): the timestamp to quantise, in milliseconds since the Unix + Epoch - yield self._end_background_update("populate_stats_createtables") - return 1 + Returns: + int: a timestamp which + - is divisible by the bucket size; + - is no later than `ts`; and + - is the largest such timestamp. + """ + return (ts // self.stats_bucket_size) * self.stats_bucket_size @defer.inlineCallbacks - def _populate_stats_cleanup(self, progress, batch_size): + def _populate_stats_process_users(self, progress, batch_size): """ - Update the user directory stream position, then clean up the old tables. + This is a background update which regenerates statistics for users. """ if not self.stats_enabled: - yield self._end_background_update("populate_stats_cleanup") + yield self._end_background_update("populate_stats_process_users") return 1 - position = yield self._simple_select_one_onecol( - TEMP_TABLE + "_position", None, "position" + last_user_id = progress.get("last_user_id", "") + + def _get_next_batch(txn): + sql = """ + SELECT DISTINCT name FROM users + WHERE name > ? + ORDER BY name ASC + LIMIT ? + """ + txn.execute(sql, (last_user_id, batch_size)) + return [r for r, in txn] + + users_to_work_on = yield self.runInteraction( + "_populate_stats_process_users", _get_next_batch ) - yield self.update_stats_stream_pos(position) - def _delete_staging_area(txn): - txn.execute("DROP TABLE IF EXISTS " + TEMP_TABLE + "_rooms") - txn.execute("DROP TABLE IF EXISTS " + TEMP_TABLE + "_position") + # No more rooms -- complete the transaction. + if not users_to_work_on: + yield self._end_background_update("populate_stats_process_users") + return 1 - yield self.runInteraction("populate_stats_cleanup", _delete_staging_area) + for user_id in users_to_work_on: + yield self._calculate_and_set_initial_state_for_user(user_id) + progress["last_user_id"] = user_id - yield self._end_background_update("populate_stats_cleanup") - return 1 + yield self.runInteraction( + "populate_stats_process_users", + self._background_update_progress_txn, + "populate_stats_process_users", + progress, + ) + + return len(users_to_work_on) @defer.inlineCallbacks def _populate_stats_process_rooms(self, progress, batch_size): - + """ + This is a background update which regenerates statistics for rooms. + """ if not self.stats_enabled: yield self._end_background_update("populate_stats_process_rooms") return 1 - # If we don't have progress filed, delete everything. - if not progress: - yield self.delete_all_stats() + last_room_id = progress.get("last_room_id", "") def _get_next_batch(txn): - # Only fetch 250 rooms, so we don't fetch too many at once, even - # if those 250 rooms have less than batch_size state events. sql = """ - SELECT room_id, events FROM %s_rooms - ORDER BY events DESC - LIMIT 250 - """ % ( - TEMP_TABLE, - ) - txn.execute(sql) - rooms_to_work_on = txn.fetchall() - - if not rooms_to_work_on: - return None - - # Get how many are left to process, so we can give status on how - # far we are in processing - txn.execute("SELECT COUNT(*) FROM " + TEMP_TABLE + "_rooms") - progress["remaining"] = txn.fetchone()[0] - - return rooms_to_work_on + SELECT DISTINCT room_id FROM current_state_events + WHERE room_id > ? + ORDER BY room_id ASC + LIMIT ? + """ + txn.execute(sql, (last_room_id, batch_size)) + return [r for r, in txn] rooms_to_work_on = yield self.runInteraction( - "populate_stats_temp_read", _get_next_batch + "populate_stats_rooms_get_batch", _get_next_batch ) # No more rooms -- complete the transaction. @@ -188,154 +169,28 @@ class StatsStore(StateDeltasStore): yield self._end_background_update("populate_stats_process_rooms") return 1 - logger.info( - "Processing the next %d rooms of %d remaining", - len(rooms_to_work_on), - progress["remaining"], - ) - - # Number of state events we've processed by going through each room - processed_event_count = 0 - - for room_id, event_count in rooms_to_work_on: - - current_state_ids = yield self.get_current_state_ids(room_id) - - join_rules_id = current_state_ids.get((EventTypes.JoinRules, "")) - history_visibility_id = current_state_ids.get( - (EventTypes.RoomHistoryVisibility, "") - ) - encryption_id = current_state_ids.get((EventTypes.RoomEncryption, "")) - name_id = current_state_ids.get((EventTypes.Name, "")) - topic_id = current_state_ids.get((EventTypes.Topic, "")) - avatar_id = current_state_ids.get((EventTypes.RoomAvatar, "")) - canonical_alias_id = current_state_ids.get((EventTypes.CanonicalAlias, "")) - - event_ids = [ - join_rules_id, - history_visibility_id, - encryption_id, - name_id, - topic_id, - avatar_id, - canonical_alias_id, - ] - - state_events = yield self.get_events( - [ev for ev in event_ids if ev is not None] - ) - - def _get_or_none(event_id, arg): - event = state_events.get(event_id) - if event: - return event.content.get(arg) - return None - - yield self.update_room_state( - room_id, - { - "join_rules": _get_or_none(join_rules_id, "join_rule"), - "history_visibility": _get_or_none( - history_visibility_id, "history_visibility" - ), - "encryption": _get_or_none(encryption_id, "algorithm"), - "name": _get_or_none(name_id, "name"), - "topic": _get_or_none(topic_id, "topic"), - "avatar": _get_or_none(avatar_id, "url"), - "canonical_alias": _get_or_none(canonical_alias_id, "alias"), - }, - ) + for room_id in rooms_to_work_on: + yield self._calculate_and_set_initial_state_for_room(room_id) + progress["last_room_id"] = room_id - now = self.hs.get_reactor().seconds() - - # quantise time to the nearest bucket - now = (now // self.stats_bucket_size) * self.stats_bucket_size - - def _fetch_data(txn): - - # Get the current token of the room - current_token = self._get_max_stream_id_in_current_state_deltas_txn(txn) - - current_state_events = len(current_state_ids) - - membership_counts = self._get_user_counts_in_room_txn(txn, room_id) - - total_state_events = self._get_total_state_event_counts_txn( - txn, room_id - ) - - self._update_stats_txn( - txn, - "room", - room_id, - now, - { - "bucket_size": self.stats_bucket_size, - "current_state_events": current_state_events, - "joined_members": membership_counts.get(Membership.JOIN, 0), - "invited_members": membership_counts.get(Membership.INVITE, 0), - "left_members": membership_counts.get(Membership.LEAVE, 0), - "banned_members": membership_counts.get(Membership.BAN, 0), - "state_events": total_state_events, - }, - ) - self._simple_insert_txn( - txn, - "room_stats_earliest_token", - {"room_id": room_id, "token": current_token}, - ) - - # We've finished a room. Delete it from the table. - self._simple_delete_one_txn( - txn, TEMP_TABLE + "_rooms", {"room_id": room_id} - ) - - yield self.runInteraction("update_room_stats", _fetch_data) - - # Update the remaining counter. - progress["remaining"] -= 1 - yield self.runInteraction( - "populate_stats", - self._background_update_progress_txn, - "populate_stats_process_rooms", - progress, - ) - - processed_event_count += event_count - - if processed_event_count > batch_size: - # Don't process any more rooms, we've hit our batch size. - return processed_event_count + yield self.runInteraction( + "_populate_stats_process_rooms", + self._background_update_progress_txn, + "populate_stats_process_rooms", + progress, + ) - return processed_event_count + return len(rooms_to_work_on) - def delete_all_stats(self): + def get_stats_positions(self): """ - Delete all statistics records. + Returns the stats processor positions. """ - - def _delete_all_stats_txn(txn): - txn.execute("DELETE FROM room_state") - txn.execute("DELETE FROM room_stats") - txn.execute("DELETE FROM room_stats_earliest_token") - txn.execute("DELETE FROM user_stats") - - return self.runInteraction("delete_all_stats", _delete_all_stats_txn) - - def get_stats_stream_pos(self): return self._simple_select_one_onecol( - table="stats_stream_pos", + table="stats_incremental_position", keyvalues={}, retcol="stream_id", - desc="stats_stream_pos", - ) - - def update_stats_stream_pos(self, stream_id): - return self._simple_update_one( - table="stats_stream_pos", - keyvalues={}, - updatevalues={"stream_id": stream_id}, - desc="update_stats_stream_pos", + desc="stats_incremental_position", ) def update_room_state(self, room_id, fields): @@ -361,42 +216,87 @@ class StatsStore(StateDeltasStore): fields[col] = None return self._simple_upsert( - table="room_state", + table="room_stats_state", keyvalues={"room_id": room_id}, values=fields, desc="update_room_state", ) - def get_deltas_for_room(self, room_id, start, size=100): + def get_statistics_for_subject(self, stats_type, stats_id, start, size=100): """ - Get statistics deltas for a given room. + Get statistics for a given subject. Args: - room_id (str) + stats_type (str): The type of subject + stats_id (str): The ID of the subject (e.g. room_id or user_id) start (int): Pagination start. Number of entries, not timestamp. size (int): How many entries to return. Returns: Deferred[list[dict]], where the dict has the keys of - ABSOLUTE_STATS_FIELDS["room"] and "ts". + ABSOLUTE_STATS_FIELDS[stats_type], and "bucket_size" and "end_ts". """ - return self._simple_select_list_paginate( - "room_stats", - {"room_id": room_id}, - "ts", + return self.runInteraction( + "get_statistics_for_subject", + self._get_statistics_for_subject_txn, + stats_type, + stats_id, + start, + size, + ) + + def _get_statistics_for_subject_txn( + self, txn, stats_type, stats_id, start, size=100 + ): + """ + Transaction-bound version of L{get_statistics_for_subject}. + """ + + table, id_col = TYPE_TO_TABLE[stats_type] + selected_columns = list( + ABSOLUTE_STATS_FIELDS[stats_type] + PER_SLICE_FIELDS[stats_type] + ) + + slice_list = self._simple_select_list_paginate_txn( + txn, + table + "_historical", + {id_col: stats_id}, + "end_ts", start, size, - retcols=(list(ABSOLUTE_STATS_FIELDS["room"]) + ["ts"]), + retcols=selected_columns + ["bucket_size", "end_ts"], order_direction="DESC", ) - def get_all_room_state(self): - return self._simple_select_list( - "room_state", None, retcols=("name", "topic", "canonical_alias") + return slice_list + + def get_room_stats_state(self, room_id): + """ + Returns the current room_stats_state for a room. + + Args: + room_id (str): The ID of the room to return state for. + + Returns (dict): + Dictionary containing these keys: + "name", "topic", "canonical_alias", "avatar", "join_rules", + "history_visibility" + """ + return self._simple_select_one( + "room_stats_state", + {"room_id": room_id}, + retcols=( + "name", + "topic", + "canonical_alias", + "avatar", + "join_rules", + "history_visibility", + ), ) @cached() - def get_earliest_token_for_room_stats(self, room_id): + def get_earliest_token_for_stats(self, stats_type, id): """ Fetch the "earliest token". This is used by the room stats delta processor to ignore deltas that have been processed between the @@ -406,79 +306,571 @@ class StatsStore(StateDeltasStore): Returns: Deferred[int] """ + table, id_col = TYPE_TO_TABLE[stats_type] + return self._simple_select_one_onecol( - "room_stats_earliest_token", - {"room_id": room_id}, - retcol="token", + "%s_current" % (table,), + keyvalues={id_col: id}, + retcol="completed_delta_stream_id", allow_none=True, ) - def update_stats(self, stats_type, stats_id, ts, fields): - table, id_col = TYPE_TO_ROOM[stats_type] - return self._simple_upsert( - table=table, - keyvalues={id_col: stats_id, "ts": ts}, - values=fields, - desc="update_stats", + def bulk_update_stats_delta(self, ts, updates, stream_id): + """Bulk update stats tables for a given stream_id and updates the stats + incremental position. + + Args: + ts (int): Current timestamp in ms + updates(dict[str, dict[str, dict[str, Counter]]]): The updates to + commit as a mapping stats_type -> stats_id -> field -> delta. + stream_id (int): Current position. + + Returns: + Deferred + """ + + def _bulk_update_stats_delta_txn(txn): + for stats_type, stats_updates in updates.items(): + for stats_id, fields in stats_updates.items(): + self._update_stats_delta_txn( + txn, + ts=ts, + stats_type=stats_type, + stats_id=stats_id, + fields=fields, + complete_with_stream_id=stream_id, + ) + + self._simple_update_one_txn( + txn, + table="stats_incremental_position", + keyvalues={}, + updatevalues={"stream_id": stream_id}, + ) + + return self.runInteraction( + "bulk_update_stats_delta", _bulk_update_stats_delta_txn ) - def _update_stats_txn(self, txn, stats_type, stats_id, ts, fields): - table, id_col = TYPE_TO_ROOM[stats_type] - return self._simple_upsert_txn( - txn, table=table, keyvalues={id_col: stats_id, "ts": ts}, values=fields + def update_stats_delta( + self, + ts, + stats_type, + stats_id, + fields, + complete_with_stream_id, + absolute_field_overrides=None, + ): + """ + Updates the statistics for a subject, with a delta (difference/relative + change). + + Args: + ts (int): timestamp of the change + stats_type (str): "room" or "user" – the kind of subject + stats_id (str): the subject's ID (room ID or user ID) + fields (dict[str, int]): Deltas of stats values. + complete_with_stream_id (int, optional): + If supplied, converts an incomplete row into a complete row, + with the supplied stream_id marked as the stream_id where the + row was completed. + absolute_field_overrides (dict[str, int]): Current stats values + (i.e. not deltas) of absolute fields. + Does not work with per-slice fields. + """ + + return self.runInteraction( + "update_stats_delta", + self._update_stats_delta_txn, + ts, + stats_type, + stats_id, + fields, + complete_with_stream_id=complete_with_stream_id, + absolute_field_overrides=absolute_field_overrides, ) - def update_stats_delta(self, ts, stats_type, stats_id, field, value): - def _update_stats_delta(txn): - table, id_col = TYPE_TO_ROOM[stats_type] - - sql = ( - "SELECT * FROM %s" - " WHERE %s=? and ts=(" - " SELECT MAX(ts) FROM %s" - " WHERE %s=?" - ")" - ) % (table, id_col, table, id_col) - txn.execute(sql, (stats_id, stats_id)) - rows = self.cursor_to_dict(txn) - if len(rows) == 0: - # silently skip as we don't have anything to apply a delta to yet. - # this tries to minimise any race between the initial sync and - # subsequent deltas arriving. - return - - current_ts = ts - latest_ts = rows[0]["ts"] - if current_ts < latest_ts: - # This one is in the past, but we're just encountering it now. - # Mark it as part of the current bucket. - current_ts = latest_ts - elif ts != latest_ts: - # we have to copy our absolute counters over to the new entry. - values = { - key: rows[0][key] for key in ABSOLUTE_STATS_FIELDS[stats_type] - } - values[id_col] = stats_id - values["ts"] = ts - values["bucket_size"] = self.stats_bucket_size - - self._simple_insert_txn(txn, table=table, values=values) - - # actually update the new value - if stats_type in ABSOLUTE_STATS_FIELDS[stats_type]: - self._simple_update_txn( - txn, - table=table, - keyvalues={id_col: stats_id, "ts": current_ts}, - updatevalues={field: value}, + def _update_stats_delta_txn( + self, + txn, + ts, + stats_type, + stats_id, + fields, + complete_with_stream_id, + absolute_field_overrides=None, + ): + if absolute_field_overrides is None: + absolute_field_overrides = {} + + table, id_col = TYPE_TO_TABLE[stats_type] + + quantised_ts = self.quantise_stats_time(int(ts)) + end_ts = quantised_ts + self.stats_bucket_size + + # Lets be paranoid and check that all the given field names are known + abs_field_names = ABSOLUTE_STATS_FIELDS[stats_type] + slice_field_names = PER_SLICE_FIELDS[stats_type] + for field in chain(fields.keys(), absolute_field_overrides.keys()): + if field not in abs_field_names and field not in slice_field_names: + # guard against potential SQL injection dodginess + raise ValueError( + "%s is not a recognised field" + " for stats type %s" % (field, stats_type) ) + + # Per slice fields do not get added to the _current table + + # This calculates the deltas (`field = field + ?` values) + # for absolute fields, + # * defaulting to 0 if not specified + # (required for the INSERT part of upserting to work) + # * omitting overrides specified in `absolute_field_overrides` + deltas_of_absolute_fields = { + key: fields.get(key, 0) + for key in abs_field_names + if key not in absolute_field_overrides + } + + # Keep the delta stream ID field up to date + absolute_field_overrides = absolute_field_overrides.copy() + absolute_field_overrides["completed_delta_stream_id"] = complete_with_stream_id + + # first upsert the `_current` table + self._upsert_with_additive_relatives_txn( + txn=txn, + table=table + "_current", + keyvalues={id_col: stats_id}, + absolutes=absolute_field_overrides, + additive_relatives=deltas_of_absolute_fields, + ) + + per_slice_additive_relatives = { + key: fields.get(key, 0) for key in slice_field_names + } + self._upsert_copy_from_table_with_additive_relatives_txn( + txn=txn, + into_table=table + "_historical", + keyvalues={id_col: stats_id}, + extra_dst_insvalues={"bucket_size": self.stats_bucket_size}, + extra_dst_keyvalues={"end_ts": end_ts}, + additive_relatives=per_slice_additive_relatives, + src_table=table + "_current", + copy_columns=abs_field_names, + ) + + def _upsert_with_additive_relatives_txn( + self, txn, table, keyvalues, absolutes, additive_relatives + ): + """Used to update values in the stats tables. + + This is basically a slightly convoluted upsert that *adds* to any + existing rows. + + Args: + txn + table (str): Table name + keyvalues (dict[str, any]): Row-identifying key values + absolutes (dict[str, any]): Absolute (set) fields + additive_relatives (dict[str, int]): Fields that will be added onto + if existing row present. + """ + if self.database_engine.can_native_upsert: + absolute_updates = [ + "%(field)s = EXCLUDED.%(field)s" % {"field": field} + for field in absolutes.keys() + ] + + relative_updates = [ + "%(field)s = EXCLUDED.%(field)s + %(table)s.%(field)s" + % {"table": table, "field": field} + for field in additive_relatives.keys() + ] + + insert_cols = [] + qargs = [] + + for (key, val) in chain( + keyvalues.items(), absolutes.items(), additive_relatives.items() + ): + insert_cols.append(key) + qargs.append(val) + + sql = """ + INSERT INTO %(table)s (%(insert_cols_cs)s) + VALUES (%(insert_vals_qs)s) + ON CONFLICT (%(key_columns)s) DO UPDATE SET %(updates)s + """ % { + "table": table, + "insert_cols_cs": ", ".join(insert_cols), + "insert_vals_qs": ", ".join( + ["?"] * (len(keyvalues) + len(absolutes) + len(additive_relatives)) + ), + "key_columns": ", ".join(keyvalues), + "updates": ", ".join(chain(absolute_updates, relative_updates)), + } + + txn.execute(sql, qargs) + else: + self.database_engine.lock_table(txn, table) + retcols = list(chain(absolutes.keys(), additive_relatives.keys())) + current_row = self._simple_select_one_txn( + txn, table, keyvalues, retcols, allow_none=True + ) + if current_row is None: + merged_dict = {**keyvalues, **absolutes, **additive_relatives} + self._simple_insert_txn(txn, table, merged_dict) + else: + for (key, val) in additive_relatives.items(): + current_row[key] += val + current_row.update(absolutes) + self._simple_update_one_txn(txn, table, keyvalues, current_row) + + def _upsert_copy_from_table_with_additive_relatives_txn( + self, + txn, + into_table, + keyvalues, + extra_dst_keyvalues, + extra_dst_insvalues, + additive_relatives, + src_table, + copy_columns, + ): + """Updates the historic stats table with latest updates. + + This involves copying "absolute" fields from the `_current` table, and + adding relative fields to any existing values. + + Args: + txn: Transaction + into_table (str): The destination table to UPSERT the row into + keyvalues (dict[str, any]): Row-identifying key values + extra_dst_keyvalues (dict[str, any]): Additional keyvalues + for `into_table`. + extra_dst_insvalues (dict[str, any]): Additional values to insert + on new row creation for `into_table`. + additive_relatives (dict[str, any]): Fields that will be added onto + if existing row present. (Must be disjoint from copy_columns.) + src_table (str): The source table to copy from + copy_columns (iterable[str]): The list of columns to copy + """ + if self.database_engine.can_native_upsert: + ins_columns = chain( + keyvalues, + copy_columns, + additive_relatives, + extra_dst_keyvalues, + extra_dst_insvalues, + ) + sel_exprs = chain( + keyvalues, + copy_columns, + ( + "?" + for _ in chain( + additive_relatives, extra_dst_keyvalues, extra_dst_insvalues + ) + ), + ) + keyvalues_where = ("%s = ?" % f for f in keyvalues) + + sets_cc = ("%s = EXCLUDED.%s" % (f, f) for f in copy_columns) + sets_ar = ( + "%s = EXCLUDED.%s + %s.%s" % (f, f, into_table, f) + for f in additive_relatives + ) + + sql = """ + INSERT INTO %(into_table)s (%(ins_columns)s) + SELECT %(sel_exprs)s + FROM %(src_table)s + WHERE %(keyvalues_where)s + ON CONFLICT (%(keyvalues)s) + DO UPDATE SET %(sets)s + """ % { + "into_table": into_table, + "ins_columns": ", ".join(ins_columns), + "sel_exprs": ", ".join(sel_exprs), + "keyvalues_where": " AND ".join(keyvalues_where), + "src_table": src_table, + "keyvalues": ", ".join( + chain(keyvalues.keys(), extra_dst_keyvalues.keys()) + ), + "sets": ", ".join(chain(sets_cc, sets_ar)), + } + + qargs = list( + chain( + additive_relatives.values(), + extra_dst_keyvalues.values(), + extra_dst_insvalues.values(), + keyvalues.values(), + ) + ) + txn.execute(sql, qargs) + else: + self.database_engine.lock_table(txn, into_table) + src_row = self._simple_select_one_txn( + txn, src_table, keyvalues, copy_columns + ) + all_dest_keyvalues = {**keyvalues, **extra_dst_keyvalues} + dest_current_row = self._simple_select_one_txn( + txn, + into_table, + keyvalues=all_dest_keyvalues, + retcols=list(chain(additive_relatives.keys(), copy_columns)), + allow_none=True, + ) + + if dest_current_row is None: + merged_dict = { + **keyvalues, + **extra_dst_keyvalues, + **extra_dst_insvalues, + **src_row, + **additive_relatives, + } + self._simple_insert_txn(txn, into_table, merged_dict) else: - sql = ("UPDATE %s SET %s=%s+? WHERE %s=? AND ts=?") % ( - table, - field, - field, - id_col, + for (key, val) in additive_relatives.items(): + src_row[key] = dest_current_row[key] + val + self._simple_update_txn(txn, into_table, all_dest_keyvalues, src_row) + + def get_changes_room_total_events_and_bytes(self, min_pos, max_pos): + """Fetches the counts of events in the given range of stream IDs. + + Args: + min_pos (int) + max_pos (int) + + Returns: + Deferred[dict[str, dict[str, int]]]: Mapping of room ID to field + changes. + """ + + return self.runInteraction( + "stats_incremental_total_events_and_bytes", + self.get_changes_room_total_events_and_bytes_txn, + min_pos, + max_pos, + ) + + def get_changes_room_total_events_and_bytes_txn(self, txn, low_pos, high_pos): + """Gets the total_events and total_event_bytes counts for rooms and + senders, in a range of stream_orderings (including backfilled events). + + Args: + txn + low_pos (int): Low stream ordering + high_pos (int): High stream ordering + + Returns: + tuple[dict[str, dict[str, int]], dict[str, dict[str, int]]]: The + room and user deltas for total_events/total_event_bytes in the + format of `stats_id` -> fields + """ + + if low_pos >= high_pos: + # nothing to do here. + return {}, {} + + if isinstance(self.database_engine, PostgresEngine): + new_bytes_expression = "OCTET_LENGTH(json)" + else: + new_bytes_expression = "LENGTH(CAST(json AS BLOB))" + + sql = """ + SELECT events.room_id, COUNT(*) AS new_events, SUM(%s) AS new_bytes + FROM events INNER JOIN event_json USING (event_id) + WHERE (? < stream_ordering AND stream_ordering <= ?) + OR (? <= stream_ordering AND stream_ordering <= ?) + GROUP BY events.room_id + """ % ( + new_bytes_expression, + ) + + txn.execute(sql, (low_pos, high_pos, -high_pos, -low_pos)) + + room_deltas = { + room_id: {"total_events": new_events, "total_event_bytes": new_bytes} + for room_id, new_events, new_bytes in txn + } + + sql = """ + SELECT events.sender, COUNT(*) AS new_events, SUM(%s) AS new_bytes + FROM events INNER JOIN event_json USING (event_id) + WHERE (? < stream_ordering AND stream_ordering <= ?) + OR (? <= stream_ordering AND stream_ordering <= ?) + GROUP BY events.sender + """ % ( + new_bytes_expression, + ) + + txn.execute(sql, (low_pos, high_pos, -high_pos, -low_pos)) + + user_deltas = { + user_id: {"total_events": new_events, "total_event_bytes": new_bytes} + for user_id, new_events, new_bytes in txn + if self.hs.is_mine_id(user_id) + } + + return room_deltas, user_deltas + + @defer.inlineCallbacks + def _calculate_and_set_initial_state_for_room(self, room_id): + """Calculate and insert an entry into room_stats_current. + + Args: + room_id (str) + + Returns: + Deferred[tuple[dict, dict, int]]: A tuple of room state, membership + counts and stream position. + """ + + def _fetch_current_state_stats(txn): + pos = self.get_room_max_stream_ordering() + + rows = self._simple_select_many_txn( + txn, + table="current_state_events", + column="type", + iterable=[ + EventTypes.Create, + EventTypes.JoinRules, + EventTypes.RoomHistoryVisibility, + EventTypes.Encryption, + EventTypes.Name, + EventTypes.Topic, + EventTypes.RoomAvatar, + EventTypes.CanonicalAlias, + ], + keyvalues={"room_id": room_id, "state_key": ""}, + retcols=["event_id"], + ) + + event_ids = [row["event_id"] for row in rows] + + txn.execute( + """ + SELECT membership, count(*) FROM current_state_events + WHERE room_id = ? AND type = 'm.room.member' + GROUP BY membership + """, + (room_id,), + ) + membership_counts = {membership: cnt for membership, cnt in txn} + + txn.execute( + """ + SELECT COALESCE(count(*), 0) FROM current_state_events + WHERE room_id = ? + """, + (room_id,), + ) + + current_state_events_count, = txn.fetchone() + + users_in_room = self.get_users_in_room_txn(txn, room_id) + + return ( + event_ids, + membership_counts, + current_state_events_count, + users_in_room, + pos, + ) + + ( + event_ids, + membership_counts, + current_state_events_count, + users_in_room, + pos, + ) = yield self.runInteraction( + "get_initial_state_for_room", _fetch_current_state_stats + ) + + state_event_map = yield self.get_events(event_ids, get_prev_content=False) + + room_state = { + "join_rules": None, + "history_visibility": None, + "encryption": None, + "name": None, + "topic": None, + "avatar": None, + "canonical_alias": None, + "is_federatable": True, + } + + for event in state_event_map.values(): + if event.type == EventTypes.JoinRules: + room_state["join_rules"] = event.content.get("join_rule") + elif event.type == EventTypes.RoomHistoryVisibility: + room_state["history_visibility"] = event.content.get( + "history_visibility" ) - txn.execute(sql, (value, stats_id, current_ts)) + elif event.type == EventTypes.Encryption: + room_state["encryption"] = event.content.get("algorithm") + elif event.type == EventTypes.Name: + room_state["name"] = event.content.get("name") + elif event.type == EventTypes.Topic: + room_state["topic"] = event.content.get("topic") + elif event.type == EventTypes.RoomAvatar: + room_state["avatar"] = event.content.get("url") + elif event.type == EventTypes.CanonicalAlias: + room_state["canonical_alias"] = event.content.get("alias") + elif event.type == EventTypes.Create: + room_state["is_federatable"] = event.content.get("m.federate", True) + + yield self.update_room_state(room_id, room_state) + + local_users_in_room = [u for u in users_in_room if self.hs.is_mine_id(u)] + + yield self.update_stats_delta( + ts=self.clock.time_msec(), + stats_type="room", + stats_id=room_id, + fields={}, + complete_with_stream_id=pos, + absolute_field_overrides={ + "current_state_events": current_state_events_count, + "joined_members": membership_counts.get(Membership.JOIN, 0), + "invited_members": membership_counts.get(Membership.INVITE, 0), + "left_members": membership_counts.get(Membership.LEAVE, 0), + "banned_members": membership_counts.get(Membership.BAN, 0), + "local_users_in_room": len(local_users_in_room), + }, + ) + + @defer.inlineCallbacks + def _calculate_and_set_initial_state_for_user(self, user_id): + def _calculate_and_set_initial_state_for_user_txn(txn): + pos = self._get_max_stream_id_in_current_state_deltas_txn(txn) - return self.runInteraction("update_stats_delta", _update_stats_delta) + txn.execute( + """ + SELECT COUNT(distinct room_id) FROM current_state_events + WHERE type = 'm.room.member' AND state_key = ? + AND membership = 'join' + """, + (user_id,), + ) + count, = txn.fetchone() + return count, pos + + joined_rooms, pos = yield self.runInteraction( + "calculate_and_set_initial_state_for_user", + _calculate_and_set_initial_state_for_user_txn, + ) + + yield self.update_stats_delta( + ts=self.clock.time_msec(), + stats_type="user", + stats_id=user_id, + fields={}, + complete_with_stream_id=pos, + absolute_field_overrides={"joined_rooms": joined_rooms}, + ) diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index 856c2ee8d8..490454f19a 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -364,7 +364,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): the chunk of events returned. """ if from_key == to_key: - return ([], from_key) + return [], from_key from_id = RoomStreamToken.parse_stream_token(from_key).stream to_id = RoomStreamToken.parse_stream_token(to_key).stream @@ -374,7 +374,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): ) if not has_changed: - return ([], from_key) + return [], from_key def f(txn): sql = ( @@ -407,7 +407,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): # get. key = from_key - return (ret, key) + return ret, key @defer.inlineCallbacks def get_membership_changes_for_user(self, user_id, from_key, to_key): @@ -496,7 +496,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): """ # Allow a zero limit here, and no-op. if limit == 0: - return ([], end_token) + return [], end_token end_token = RoomStreamToken.parse(end_token) @@ -511,7 +511,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): # We want to return the results in ascending order. rows.reverse() - return (rows, token) + return rows, token def get_room_event_after_stream_ordering(self, room_id, stream_ordering): """Gets details of the first event in a room at or after a stream ordering @@ -783,7 +783,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): events = yield self.get_events_as_list(event_ids) - return (upper_bound, events) + return upper_bound, events def get_federation_out_pos(self, typ): return self._simple_select_one_onecol( diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py index f1c8d99419..cbb0a4810a 100644 --- a/synapse/storage/util/id_generators.py +++ b/synapse/storage/util/id_generators.py @@ -195,6 +195,6 @@ class ChainedIdGenerator(object): with self._lock: if self._unfinished_ids: stream_id, chained_id = self._unfinished_ids[0] - return (stream_id - 1, chained_id) + return stream_id - 1, chained_id - return (self._current_max, self.chained_generator.get_current_token()) + return self._current_max, self.chained_generator.get_current_token() |