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Split out stream store

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This commit is contained in:
Erik Johnston 2018-03-01 13:56:03 +00:00
parent 17445e6701
commit f793bc3877
3 changed files with 202 additions and 210 deletions
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54
synapse/replication/slave/storage/events.py
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@ -22,9 +22,8 @@ from synapse.storage.event_push_actions import EventPushActionsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.storage.roommember import RoomMemberWorkerStore
from synapse.storage.state import StateGroupWorkerStore
from synapse.storage.stream import StreamStore
from synapse.storage.stream import StreamWorkerStore
from synapse.storage.signatures import SignatureStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
@ -41,34 +40,20 @@ logger = logging.getLogger(__name__)
class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
EventsWorkerStore, StateGroupWorkerStore,
StreamWorkerStore, EventsWorkerStore, StateGroupWorkerStore,
BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedEventStore, self).__init__(db_conn, hs)
self._stream_id_gen = SlavedIdTracker(
db_conn, "events", "stream_ordering",
)
self._backfill_id_gen = SlavedIdTracker(
db_conn, "events", "stream_ordering", step=-1
)
events_max = self._stream_id_gen.get_current_token()
event_cache_prefill, min_event_val = self._get_cache_dict(
db_conn, "events",
entity_column="room_id",
stream_column="stream_ordering",
max_value=events_max,
)
self._events_stream_cache = StreamChangeCache(
"EventsRoomStreamChangeCache", min_event_val,
prefilled_cache=event_cache_prefill,
)
self._membership_stream_cache = StreamChangeCache(
"MembershipStreamChangeCache", events_max,
)
super(SlavedEventStore, self).__init__(db_conn, hs)
self.stream_ordering_month_ago = 0
self._stream_order_on_start = self.get_room_max_stream_ordering()
# Cached functions can't be accessed through a class instance so we need
# to reach inside the __dict__ to extract them.
@ -76,30 +61,6 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
"get_latest_event_ids_in_room"
]
get_recent_event_ids_for_room = (
StreamStore.__dict__["get_recent_event_ids_for_room"]
)
has_room_changed_since = DataStore.has_room_changed_since.__func__
get_membership_changes_for_user = (
DataStore.get_membership_changes_for_user.__func__
)
get_room_events_max_id = DataStore.get_room_events_max_id.__func__
get_room_events_stream_for_room = (
DataStore.get_room_events_stream_for_room.__func__
)
get_events_around = DataStore.get_events_around.__func__
get_recent_events_for_room = DataStore.get_recent_events_for_room.__func__
get_room_events_stream_for_rooms = (
DataStore.get_room_events_stream_for_rooms.__func__
)
get_stream_token_for_event = DataStore.get_stream_token_for_event.__func__
_set_before_and_after = staticmethod(DataStore._set_before_and_after)
_get_events_around_txn = DataStore._get_events_around_txn.__func__
get_backfill_events = DataStore.get_backfill_events.__func__
_get_backfill_events = DataStore._get_backfill_events.__func__
get_missing_events = DataStore.get_missing_events.__func__
@ -120,8 +81,11 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
get_all_new_events_stream = DataStore.get_all_new_events_stream.__func__
get_federation_out_pos = DataStore.get_federation_out_pos.__func__
update_federation_out_pos = DataStore.update_federation_out_pos.__func__
def get_room_max_stream_ordering(self):
return self._stream_id_gen.get_current_token()
def get_room_min_stream_ordering(self):
return self._backfill_id_gen.get_current_token()
get_latest_event_ids_and_hashes_in_room = (
DataStore.get_latest_event_ids_and_hashes_in_room.__func__