Add a test which profiles filter_events_for_server in a large room

This commit is contained in:
Richard van der Hoff 2018-07-16 14:05:31 +01:00
parent ea69d35651
commit 15b13b537f
1 changed files with 155 additions and 2 deletions

View File

@ -15,9 +15,11 @@
import logging
from twisted.internet import defer
from twisted.internet.defer import succeed
from synapse.events import FrozenEvent
from synapse.visibility import filter_events_for_server
from tests import unittest
import tests.unittest
from tests.utils import setup_test_homeserver
logger = logging.getLogger(__name__)
@ -25,7 +27,7 @@ logger = logging.getLogger(__name__)
TEST_ROOM_ID = "!TEST:ROOM"
class FilterEventsForServerTestCase(unittest.TestCase):
class FilterEventsForServerTestCase(tests.unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
self.hs = yield setup_test_homeserver()
@ -105,3 +107,154 @@ class FilterEventsForServerTestCase(unittest.TestCase):
yield self.hs.get_datastore().persist_event(event, context)
defer.returnValue(event)
@defer.inlineCallbacks
def test_large_room(self):
# see what happens when we have a large room with hundreds of thousands
# of membership events
# As above, the events to be filtered consist of 10 membership events,
# where one of them is for a user on the server we are filtering for.
import cProfile
import pstats
import time
# we stub out the store, because building up all that state the normal
# way is very slow.
test_store = _TestStore()
# our initial state is 100000 membership events and one
# history_visibility event.
room_state = []
history_visibility_evt = FrozenEvent({
"event_id": "$history_vis",
"type": "m.room.history_visibility",
"sender": "@resident_user_0:test.com",
"state_key": "",
"room_id": TEST_ROOM_ID,
"content": {"history_visibility": "joined"},
})
room_state.append(history_visibility_evt)
test_store.add_event(history_visibility_evt)
for i in range(0, 100000):
user = "@resident_user_%i:test.com" % (i, )
evt = FrozenEvent({
"event_id": "$res_event_%i" % (i, ),
"type": "m.room.member",
"state_key": user,
"sender": user,
"room_id": TEST_ROOM_ID,
"content": {
"membership": "join",
"extra": "zzz,"
},
})
room_state.append(evt)
test_store.add_event(evt)
events_to_filter = []
for i in range(0, 10):
user = "@user%i:%s" % (
i, "test_server" if i == 5 else "other_server"
)
evt = FrozenEvent({
"event_id": "$evt%i" % (i, ),
"type": "m.room.member",
"state_key": user,
"sender": user,
"room_id": TEST_ROOM_ID,
"content": {
"membership": "join",
"extra": "zzz",
},
})
events_to_filter.append(evt)
room_state.append(evt)
test_store.add_event(evt)
test_store.set_state_ids_for_event(evt, {
(e.type, e.state_key): e.event_id for e in room_state
})
pr = cProfile.Profile()
pr.enable()
logger.info("Starting filtering")
start = time.time()
filtered = yield filter_events_for_server(
test_store, "test_server", events_to_filter,
)
logger.info("Filtering took %f seconds", time.time() - start)
pr.disable()
with open("filter_events_for_server.profile", "w+") as f:
ps = pstats.Stats(pr, stream=f).sort_stats('cumulative')
ps.print_stats()
# the result should be 5 redacted events, and 5 unredacted events.
for i in range(0, 5):
self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
self.assertNotIn("extra", filtered[i].content)
for i in range(5, 10):
self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
self.assertEqual(filtered[i].content["extra"], "zzz")
test_large_room.skip = "Disabled by default because it's slow"
class _TestStore(object):
"""Implements a few methods of the DataStore, so that we can test
filter_events_for_server
"""
def __init__(self):
# data for get_events: a map from event_id to event
self.events = {}
# data for get_state_ids_for_events mock: a map from event_id to
# a map from (type_state_key) -> event_id for the state at that
# event
self.state_ids_for_events = {}
def add_event(self, event):
self.events[event.event_id] = event
def set_state_ids_for_event(self, event, state):
self.state_ids_for_events[event.event_id] = state
def get_state_ids_for_events(self, events, types):
res = {}
include_memberships = False
for (type, state_key) in types:
if type == "m.room.history_visibility":
continue
if type != "m.room.member" or state_key is not None:
raise RuntimeError(
"Unimplemented: get_state_ids with type (%s, %s)" %
(type, state_key),
)
include_memberships = True
if include_memberships:
for event_id in events:
res[event_id] = self.state_ids_for_events[event_id]
else:
k = ("m.room.history_visibility", "")
for event_id in events:
hve = self.state_ids_for_events[event_id][k]
res[event_id] = {k: hve}
return succeed(res)
def get_events(self, events):
return succeed({
event_id: self.events[event_id] for event_id in events
})
def are_users_erased(self, users):
return succeed({u: False for u in users})