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Change device lists stream to have one row per id.

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This will make it possible to process the streams more incrementally,
avoiding having to process large chunks at once.
This commit is contained in:
Erik Johnston 2020-02-28 11:21:25 +00:00
parent c3c6c0e622
commit f5caa1864e
1 changed files with 41 additions and 18 deletions
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59
synapse/storage/data_stores/main/devices.py
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@ -1017,29 +1017,41 @@ class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
"""Persist that a user's devices have been updated, and which hosts
(if any) should be poked.
"""
with self._device_list_id_gen.get_next() as stream_id:
if not device_ids:
return
with self._device_list_id_gen.get_next_mult(len(device_ids)) as stream_ids:
yield self.db.runInteraction(
"add_device_change_to_streams",
self._add_device_change_txn,
"add_device_change_to_stream",
self._add_device_change_to_stream_txn,
user_id,
device_ids,
stream_ids,
)
if not hosts:
return stream_ids[-1]
context = get_active_span_text_map()
with self._device_list_id_gen.get_next_mult(
len(hosts) * len(device_ids)
) as stream_ids:
yield self.db.runInteraction(
"add_device_outbound_poke_to_stream",
self._add_device_outbound_poke_to_stream_txn,
user_id,
device_ids,
hosts,
stream_id,
stream_ids,
context,
)
return stream_id
def _add_device_change_txn(self, txn, user_id, device_ids, hosts, stream_id):
now = self._clock.time_msec()
return stream_ids[-1]
def _add_device_change_to_stream_txn(self, txn, user_id, device_ids, stream_ids):
txn.call_after(
self._device_list_stream_cache.entity_has_changed, user_id, stream_id
self._device_list_stream_cache.entity_has_changed, user_id, stream_ids[-1],
)
for host in hosts:
txn.call_after(
self._device_list_federation_stream_cache.entity_has_changed,
host,
stream_id,
)
# Delete older entries in the table, as we really only care about
# when the latest change happened.
@ -1048,7 +1060,7 @@ class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
DELETE FROM device_lists_stream
WHERE user_id = ? AND device_id = ? AND stream_id < ?
""",
[(user_id, device_id, stream_id) for device_id in device_ids],
[(user_id, device_id, stream_ids[0]) for device_id in device_ids],
)
self.db.simple_insert_many_txn(
@ -1056,11 +1068,22 @@ class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
table="device_lists_stream",
values=[
{"stream_id": stream_id, "user_id": user_id, "device_id": device_id}
for device_id in device_ids
for stream_id, device_id in zip(stream_ids, device_ids)
],
)
context = get_active_span_text_map()
def _add_device_outbound_poke_to_stream_txn(
self, txn, user_id, device_ids, hosts, stream_ids, context,
):
for host in hosts:
txn.call_after(
self._device_list_federation_stream_cache.entity_has_changed,
host,
stream_ids[-1],
)
now = self._clock.time_msec()
next_stream_id = iter(stream_ids)
self.db.simple_insert_many_txn(
txn,
@ -1068,7 +1091,7 @@ class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
values=[
{
"destination": destination,
"stream_id": stream_id,
"stream_id": next(next_stream_id),
"user_id": user_id,
"device_id": device_id,
"sent": False,