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Revert "Remove slaved id tracker (#14376)" (#14463)

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This reverts commit 36097e88c4.
This commit is contained in:
Erik Johnston 2022-11-16 13:50:07 +00:00 • committed by GitHub
parent 945a0928c7
commit d63814fd73
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11 changed files with 176 additions and 74 deletions
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35
synapse/storage/databases/main/events_worker.py
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@ -59,6 +59,7 @@ from synapse.metrics.background_process_metrics import (
run_as_background_process,
wrap_as_background_process,
)
from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
from synapse.replication.tcp.streams import BackfillStream
from synapse.replication.tcp.streams.events import EventsStream
from synapse.storage._base import SQLBaseStore, db_to_json, make_in_list_sql_clause
@ -212,20 +213,26 @@ class EventsWorkerStore(SQLBaseStore):
# `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets
# updated over replication. (Multiple writers are not supported for
# SQLite).
self._stream_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
is_writer=hs.get_instance_name() in hs.config.worker.writers.events,
)
self._backfill_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
step=-1,
extra_tables=[("ex_outlier_stream", "event_stream_ordering")],
is_writer=hs.get_instance_name() in hs.config.worker.writers.events,
)
if hs.get_instance_name() in hs.config.worker.writers.events:
self._stream_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
)
self._backfill_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
step=-1,
extra_tables=[("ex_outlier_stream", "event_stream_ordering")],
)
else:
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()
curr_state_delta_prefill, min_curr_state_delta_id = self.db_pool.get_cache_dict(