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Add stream change cache

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This commit is contained in:
Erik Johnston 2017-05-31 15:46:36 +01:00
parent 5d79d728f5
commit 304880d185
4 changed files with 34 additions and 1 deletions
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12
synapse/storage/__init__.py
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@ -223,6 +223,18 @@ class DataStore(RoomMemberStore, RoomStore,
"DeviceListFederationStreamChangeCache", device_list_max,
)
curr_state_delta_prefill, min_curr_state_delta_id = self._get_cache_dict(
db_conn, "current_state_delta_stream",
entity_column="room_id",
stream_column="stream_id",
max_value=events_max, # As we share the stream id with events token
limit=1000,
)
self._curr_state_delta_stream_cache = StreamChangeCache(
"_curr_state_delta_stream_cache", min_curr_state_delta_id,
prefilled_cache=curr_state_delta_prefill,
)
cur = LoggingTransaction(
db_conn.cursor(),
name="_find_stream_orderings_for_times_txn",