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Collect information for PushRuleEvaluator in parallel. (#16590)
Fetch information needed for push rule evaluation in parallel. Ideally this would use query pipelining, but this is not available in psycopg2. Due to the database thread pool this may result in little to no parallelization.
This commit is contained in:
Patrick Cloke
GitHub
parent
1dd3074629
commit
7e5d3b06fa
4 changed files with 87 additions and 34 deletions
1
changelog.d/16590.misc
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1
changelog.d/16590.misc
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Run push rule evaluator setup in parallel.
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@ -25,10 +25,13 @@ from typing import (
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Sequence,
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Tuple,
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Union,
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cast,
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)
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from prometheus_client import Counter
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from twisted.internet.defer import Deferred
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from synapse.api.constants import (
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MAIN_TIMELINE,
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EventContentFields,
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@ -40,11 +43,15 @@ from synapse.api.room_versions import PushRuleRoomFlag
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from synapse.event_auth import auth_types_for_event, get_user_power_level
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from synapse.events import EventBase, relation_from_event
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from synapse.events.snapshot import EventContext
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from synapse.logging.context import make_deferred_yieldable, run_in_background
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from synapse.state import POWER_KEY
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from synapse.storage.databases.main.roommember import EventIdMembership
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from synapse.storage.roommember import ProfileInfo
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from synapse.synapse_rust.push import FilteredPushRules, PushRuleEvaluator
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from synapse.types import JsonValue
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from synapse.types.state import StateFilter
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from synapse.util import unwrapFirstError
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from synapse.util.async_helpers import gather_results
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from synapse.util.caches import register_cache
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from synapse.util.metrics import measure_func
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from synapse.visibility import filter_event_for_clients_with_state
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@ -342,15 +349,41 @@ class BulkPushRuleEvaluator:
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rules_by_user = await self._get_rules_for_event(event)
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actions_by_user: Dict[str, Collection[Union[Mapping, str]]] = {}
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room_member_count = await self.store.get_number_joined_users_in_room(
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event.room_id
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)
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# Gather a bunch of info in parallel.
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#
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# This has a lot of ignored types and casting due to the use of @cached
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# decorated functions passed into run_in_background.
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#
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# See https://github.com/matrix-org/synapse/issues/16606
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(
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power_levels,
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sender_power_level,
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) = await self._get_power_levels_and_sender_level(
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event, context, event_id_to_event
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room_member_count,
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(power_levels, sender_power_level),
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related_events,
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profiles,
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) = await make_deferred_yieldable(
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cast(
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"Deferred[Tuple[int, Tuple[dict, Optional[int]], Dict[str, Dict[str, JsonValue]], Mapping[str, ProfileInfo]]]",
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gather_results(
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(
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run_in_background( # type: ignore[call-arg]
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self.store.get_number_joined_users_in_room, event.room_id # type: ignore[arg-type]
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),
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run_in_background(
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self._get_power_levels_and_sender_level,
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event,
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context,
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event_id_to_event,
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),
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run_in_background(self._related_events, event),
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run_in_background( # type: ignore[call-arg]
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self.store.get_subset_users_in_room_with_profiles,
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event.room_id, # type: ignore[arg-type]
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rules_by_user.keys(), # type: ignore[arg-type]
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),
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),
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consumeErrors=True,
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).addErrback(unwrapFirstError),
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)
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)
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# Find the event's thread ID.
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@ -366,8 +399,6 @@ class BulkPushRuleEvaluator:
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# the parent is part of a thread.
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thread_id = await self.store.get_thread_id(relation.parent_id)
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related_events = await self._related_events(event)
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# It's possible that old room versions have non-integer power levels (floats or
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# strings; even the occasional `null`). For old rooms, we interpret these as if
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# they were integers. Do this here for the `@room` power level threshold.
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@ -400,11 +431,6 @@ class BulkPushRuleEvaluator:
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self.hs.config.experimental.msc1767_enabled, # MSC3931 flag
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)
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users = rules_by_user.keys()
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profiles = await self.store.get_subset_users_in_room_with_profiles(
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event.room_id, users
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)
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for uid, rules in rules_by_user.items():
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if event.sender == uid:
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continue
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@ -28,8 +28,11 @@ from typing import (
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cast,
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)
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from twisted.internet import defer
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from synapse.api.errors import StoreError
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from synapse.config.homeserver import ExperimentalConfig
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from synapse.logging.context import make_deferred_yieldable, run_in_background
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from synapse.replication.tcp.streams import PushRulesStream
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from synapse.storage._base import SQLBaseStore
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from synapse.storage.database import (
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@ -51,7 +54,8 @@ from synapse.storage.util.id_generators import (
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)
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from synapse.synapse_rust.push import FilteredPushRules, PushRule, PushRules
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from synapse.types import JsonDict
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from synapse.util import json_encoder
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from synapse.util import json_encoder, unwrapFirstError
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from synapse.util.async_helpers import gather_results
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from synapse.util.caches.descriptors import cached, cachedList
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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@ -249,23 +253,33 @@ class PushRulesWorkerStore(
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user_id: [] for user_id in user_ids
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}
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rows = cast(
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List[Tuple[str, str, int, int, str, str]],
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await self.db_pool.simple_select_many_batch(
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table="push_rules",
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column="user_name",
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iterable=user_ids,
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retcols=(
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"user_name",
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"rule_id",
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"priority_class",
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"priority",
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"conditions",
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"actions",
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# gatherResults loses all type information.
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rows, enabled_map_by_user = await make_deferred_yieldable(
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gather_results(
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(
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cast(
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"defer.Deferred[List[Tuple[str, str, int, int, str, str]]]",
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run_in_background(
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self.db_pool.simple_select_many_batch,
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table="push_rules",
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column="user_name",
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iterable=user_ids,
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retcols=(
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"user_name",
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"rule_id",
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"priority_class",
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"priority",
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"conditions",
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"actions",
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),
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desc="bulk_get_push_rules",
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batch_size=1000,
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),
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),
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run_in_background(self.bulk_get_push_rules_enabled, user_ids),
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),
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desc="bulk_get_push_rules",
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batch_size=1000,
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),
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consumeErrors=True,
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).addErrback(unwrapFirstError)
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)
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# Sort by highest priority_class, then highest priority.
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@ -276,8 +290,6 @@ class PushRulesWorkerStore(
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(rule_id, priority_class, conditions, actions)
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)
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enabled_map_by_user = await self.bulk_get_push_rules_enabled(user_ids)
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results: Dict[str, FilteredPushRules] = {}
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for user_id, rules in raw_rules.items():
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@ -345,6 +345,7 @@ async def yieldable_gather_results_delaying_cancellation(
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T1 = TypeVar("T1")
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T2 = TypeVar("T2")
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T3 = TypeVar("T3")
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T4 = TypeVar("T4")
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@overload
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@ -380,6 +381,19 @@ def gather_results(
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...
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@overload
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def gather_results(
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deferredList: Tuple[
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"defer.Deferred[T1]",
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"defer.Deferred[T2]",
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"defer.Deferred[T3]",
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"defer.Deferred[T4]",
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],
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consumeErrors: bool = ...,
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) -> "defer.Deferred[Tuple[T1, T2, T3, T4]]":
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...
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def gather_results( # type: ignore[misc]
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deferredList: Tuple["defer.Deferred[T1]", ...],
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consumeErrors: bool = False,
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