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Don't keep around old stream IDs forever

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This commit is contained in:
Erik Johnston 2017-03-03 16:02:53 +00:00
parent 9834367eea
commit f2581ee8b8
1 changed files with 9 additions and 2 deletions
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11
synapse/handlers/device.py
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@ -16,6 +16,7 @@ from synapse.api import errors
from synapse.api.constants import EventTypes
from synapse.util import stringutils
from synapse.util.async import Linearizer
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.metrics import measure_func
from synapse.types import get_domain_from_id, RoomStreamToken
from twisted.internet import defer
@ -344,7 +345,13 @@ class DeviceListEduUpdater(object):
# Recently seen stream ids. We don't bother keeping these in the DB,
# but they're useful to have them about to reduce the number of spurious
# resyncs.
self._seen_updates = {}
self._seen_updates = ExpiringCache(
cache_name="device_update_edu",
clock=self.clock,
max_len=10000,
expiry_ms=30 * 60 * 1000,
iterable=True,
)
@defer.inlineCallbacks
def incoming_device_list_update(self, origin, edu_content):
@ -412,7 +419,7 @@ class DeviceListEduUpdater(object):
)
self._seen_updates.setdefault(user_id, set()).update(
[stream_id for _, stream_id, _, _ in pending_updates]
stream_id for _, stream_id, _, _ in pending_updates
)
@defer.inlineCallbacks