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Speed up get_unread_event_push_actions_by_room (#13005)

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Fixes #11887 hopefully.

The core change here is that `event_push_summary` now holds a summary of counts up until a much more recent point, meaning that the range of rows we need to count in `event_push_actions` is much smaller.

This needs two major changes:
1. When we get a receipt we need to recalculate `event_push_summary` rather than just delete it
2. The logic for deleting `event_push_actions` is now divorced from calculating `event_push_summary`.

In future it would be good to calculate `event_push_summary` while we persist a new event (it should just be a case of adding one to the relevant rows in `event_push_summary`), as that will further simplify the get counts logic and remove the need for us to periodically update `event_push_summary` in a background job.
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Erik Johnston 2022-06-15 16:17:14 +01:00 • committed by GitHub
parent 9ad2197fa7
commit 0d1d3e0708
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14 changed files with 322 additions and 151 deletions
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4
synapse/_scripts/synapse_port_db.py
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@ -58,6 +58,9 @@ from synapse.storage.databases.main.client_ips import ClientIpBackgroundUpdateSt
from synapse.storage.databases.main.deviceinbox import DeviceInboxBackgroundUpdateStore
from synapse.storage.databases.main.devices import DeviceBackgroundUpdateStore
from synapse.storage.databases.main.end_to_end_keys import EndToEndKeyBackgroundStore
from synapse.storage.databases.main.event_push_actions import (
EventPushActionsWorkerStore,
)
from synapse.storage.databases.main.events_bg_updates import (
EventsBackgroundUpdatesStore,
)
@ -199,6 +202,7 @@ R = TypeVar("R")
class Store(
EventPushActionsWorkerStore,
ClientIpBackgroundUpdateStore,
DeviceInboxBackgroundUpdateStore,
DeviceBackgroundUpdateStore,