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Return early on /sync code paths if a '*' filter is used

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This is currently very conservative in that it only does this if there is no
`since` token. This limits the risk to clients likely to be doing one-off
syncs (like bridges), but does mean that normal human clients won't benefit
from the time savings here. If the savings are large enough, I would consider
generalising this to just check the filter.
This commit is contained in:
Kegan Dougal 2016-11-22 16:38:35 +00:00
parent d4a459f7cb
commit 83bcdcee61
2 changed files with 51 additions and 9 deletions
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31
synapse/handlers/sync.py
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@ -277,6 +277,7 @@ class SyncHandler(object):
"""
with Measure(self.clock, "load_filtered_recents"):
timeline_limit = sync_config.filter_collection.timeline_limit()
block_all_timeline = sync_config.filter_collection.blocks_all_room_timeline()
if recents is None or newly_joined_room or timeline_limit < len(recents):
limited = True
@ -293,7 +294,7 @@ class SyncHandler(object):
else:
recents = []
if not limited:
if not limited or block_all_timeline:
defer.returnValue(TimelineBatch(
events=recents,
prev_batch=now_token,
@ -531,9 +532,14 @@ class SyncHandler(object):
)
newly_joined_rooms, newly_joined_users = res
yield self._generate_sync_entry_for_presence(
sync_result_builder, newly_joined_rooms, newly_joined_users
block_all_presence_data = (
since_token is None and
sync_config.filter_collection.blocks_all_presence()
)
if not block_all_presence_data:
yield self._generate_sync_entry_for_presence(
sync_result_builder, newly_joined_rooms, newly_joined_users
)
yield self._generate_sync_entry_for_to_device(sync_result_builder)
@ -709,13 +715,20 @@ class SyncHandler(object):
`(newly_joined_rooms, newly_joined_users)`
"""
user_id = sync_result_builder.sync_config.user.to_string()
now_token, ephemeral_by_room = yield self.ephemeral_by_room(
sync_result_builder.sync_config,
now_token=sync_result_builder.now_token,
since_token=sync_result_builder.since_token,
block_all_room_ephemeral = (
sync_result_builder.since_token is None and
sync_result_builder.sync_config.filter_collection.blocks_all_room_ephemeral()
)
sync_result_builder.now_token = now_token
if block_all_room_ephemeral:
ephemeral_by_room = {}
else:
now_token, ephemeral_by_room = yield self.ephemeral_by_room(
sync_result_builder.sync_config,
now_token=sync_result_builder.now_token,
since_token=sync_result_builder.since_token,
)
sync_result_builder.now_token = now_token
ignored_account_data = yield self.store.get_global_account_data_by_type_for_user(
"m.ignored_user_list", user_id=user_id,