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Only calculate initial sync for 10 rooms at a time 

This helps to ensure we don't completely starve other requests.
This commit is contained in:
Erik Johnston 2016-02-10 11:41:04 +00:00
parent e557dc80b8
commit 8e49892b21
1 changed files with 29 additions and 24 deletions
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53
synapse/handlers/sync.py
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@ -18,7 +18,7 @@ from ._base import BaseHandler
from synapse.streams.config import PaginationConfig
from synapse.api.constants import Membership, EventTypes
from synapse.util import unwrapFirstError
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, preserve_fn
from synapse.util.metrics import Measure
from twisted.internet import defer
@ -228,10 +228,14 @@ class SyncHandler(BaseHandler):
invited = []
archived = []
deferreds = []
for event in room_list:
if event.membership == Membership.JOIN:
with PreserveLoggingContext(LoggingContext.current_context()):
room_sync_deferred = self.full_state_sync_for_joined_room(
room_list_chunks = [room_list[i:i + 10] for i in xrange(0, len(room_list), 10)]
for room_list_chunk in room_list_chunks:
for event in room_list_chunk:
if event.membership == Membership.JOIN:
room_sync_deferred = preserve_fn(
self.full_state_sync_for_joined_room
)(
room_id=event.room_id,
sync_config=sync_config,
now_token=now_token,
@ -240,20 +244,21 @@ class SyncHandler(BaseHandler):
tags_by_room=tags_by_room,
account_data_by_room=account_data_by_room,
)
room_sync_deferred.addCallback(joined.append)
deferreds.append(room_sync_deferred)
elif event.membership == Membership.INVITE:
invite = yield self.store.get_event(event.event_id)
invited.append(InvitedSyncResult(
room_id=event.room_id,
invite=invite,
))
elif event.membership in (Membership.LEAVE, Membership.BAN):
leave_token = now_token.copy_and_replace(
"room_key", "s%d" % (event.stream_ordering,)
)
with PreserveLoggingContext(LoggingContext.current_context()):
room_sync_deferred = self.full_state_sync_for_archived_room(
room_sync_deferred.addCallback(joined.append)
deferreds.append(room_sync_deferred)
elif event.membership == Membership.INVITE:
invite = yield self.store.get_event(event.event_id)
invited.append(InvitedSyncResult(
room_id=event.room_id,
invite=invite,
))
elif event.membership in (Membership.LEAVE, Membership.BAN):
leave_token = now_token.copy_and_replace(
"room_key", "s%d" % (event.stream_ordering,)
)
room_sync_deferred = preserve_fn(
self.full_state_sync_for_archived_room
)(
sync_config=sync_config,
room_id=event.room_id,
leave_event_id=event.event_id,
@ -262,12 +267,12 @@ class SyncHandler(BaseHandler):
tags_by_room=tags_by_room,
account_data_by_room=account_data_by_room,
)
room_sync_deferred.addCallback(archived.append)
deferreds.append(room_sync_deferred)
room_sync_deferred.addCallback(archived.append)
deferreds.append(room_sync_deferred)
yield defer.gatherResults(
deferreds, consumeErrors=True
).addErrback(unwrapFirstError)
yield defer.gatherResults(
deferreds, consumeErrors=True
).addErrback(unwrapFirstError)
account_data_for_user = sync_config.filter_collection.filter_account_data(
self.account_data_for_user(account_data)