Speed up inserting `event_push_actions_staging`. (#13634)

By using `execute_values` instead of `execute_batch`.
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Patrick Cloke 2022-08-30 07:12:48 -04:00 committed by GitHub
parent 682dfcfc0d
commit 20df96a7a7
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2 changed files with 9 additions and 20 deletions

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@ -0,0 +1 @@
Improve performance of sending messages in rooms with thousands of local users.

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@ -700,26 +700,14 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
int(count_as_unread), # unread column int(count_as_unread), # unread column
) )
def _add_push_actions_to_staging_txn(txn: LoggingTransaction) -> None: await self.db_pool.simple_insert_many(
# We don't use simple_insert_many here to avoid the overhead "event_push_actions_staging",
# of generating lists of dicts. keys=("event_id", "user_id", "actions", "notif", "highlight", "unread"),
values=[
sql = """ _gen_entry(user_id, actions)
INSERT INTO event_push_actions_staging for user_id, actions in user_id_actions.items()
(event_id, user_id, actions, notif, highlight, unread) ],
VALUES (?, ?, ?, ?, ?, ?) desc="add_push_actions_to_staging",
"""
txn.execute_batch(
sql,
(
_gen_entry(user_id, actions)
for user_id, actions in user_id_actions.items()
),
)
return await self.db_pool.runInteraction(
"add_push_actions_to_staging", _add_push_actions_to_staging_txn
) )
async def remove_push_actions_from_staging(self, event_id: str) -> None: async def remove_push_actions_from_staging(self, event_id: str) -> None: