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Prefill the device_list_stream_cache (#12367) 

* Prefill the device_list_stream_cache

* Newsfile

* Newsfile
This commit is contained in:
Erik Johnston 2022-04-04 20:12:25 +01:00 committed by GitHub
parent 5c9e39e619
commit b446c99ac9
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3 changed files with 23 additions and 2 deletions
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1
changelog.d/12367.feature Normal file
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@ -0,0 +1 @@
Reduce overhead of restarting synchrotrons.

12
synapse/replication/slave/storage/devices.py
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@ -48,8 +48,18 @@ class SlavedDeviceStore(EndToEndKeyWorkerStore, DeviceWorkerStore, BaseSlavedSto
],
)
device_list_max = self._device_list_id_gen.get_current_token()
device_list_prefill, min_device_list_id = self.db_pool.get_cache_dict(
db_conn,
"device_lists_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=device_list_max,
limit=1000,
)
self._device_list_stream_cache = StreamChangeCache(
"DeviceListStreamChangeCache", device_list_max
"DeviceListStreamChangeCache",
min_device_list_id,
prefilled_cache=device_list_prefill,
)
self._user_signature_stream_cache = StreamChangeCache(
"UserSignatureStreamChangeCache", device_list_max

12
synapse/storage/databases/main/__init__.py
View File

@ -184,8 +184,18 @@ class DataStore(
super().__init__(database, db_conn, hs)
device_list_max = self._device_list_id_gen.get_current_token()
device_list_prefill, min_device_list_id = self.db_pool.get_cache_dict(
db_conn,
"device_lists_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=device_list_max,
limit=1000,
)
self._device_list_stream_cache = StreamChangeCache(
"DeviceListStreamChangeCache", device_list_max
"DeviceListStreamChangeCache",
min_device_list_id,
prefilled_cache=device_list_prefill,
)
self._user_signature_stream_cache = StreamChangeCache(
"UserSignatureStreamChangeCache", device_list_max