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Fix state cache invalidation on workers

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This commit is contained in:
Erik Johnston 2019-02-22 14:38:14 +00:00
parent e07384c4e1
commit 80467bbac3
2 changed files with 35 additions and 12 deletions
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7
synapse/replication/slave/storage/_base.py
View file

@ -59,12 +59,7 @@ class BaseSlavedStore(SQLBaseStore):
members_changed = set(row.keys[1:])
self._invalidate_state_caches(room_id, members_changed)
else:
try:
getattr(self, row.cache_func).invalidate(tuple(row.keys))
except AttributeError:
# We probably haven't pulled in the cache in this worker,
# which is fine.
pass
self._attempt_to_invalidate_cache(row.cache_func, tuple(row.keys))
def _invalidate_cache_and_stream(self, txn, cache_func, keys):
txn.call_after(cache_func.invalidate, keys)

40
synapse/storage/_base.py
View file

@ -1342,15 +1342,43 @@ class SQLBaseStore(object):
changed
"""
for member in members_changed:
self.get_rooms_for_user_with_stream_ordering.invalidate((member,))
self._attempt_to_invalidate_cache(
"get_rooms_for_user_with_stream_ordering", (member,),
)
for host in set(get_domain_from_id(u) for u in members_changed):
self.is_host_joined.invalidate((room_id, host))
self.was_host_joined.invalidate((room_id, host))
self._attempt_to_invalidate_cache(
"is_host_joined", (room_id, host,),
)
self._attempt_to_invalidate_cache(
"was_host_joined", (room_id, host,),
)
self.get_users_in_room.invalidate((room_id,))
self.get_room_summary.invalidate((room_id,))
self.get_current_state_ids.invalidate((room_id,))
self._attempt_to_invalidate_cache(
"get_users_in_room", (room_id,),
)
self._attempt_to_invalidate_cache(
"get_room_summary", (room_id,),
)
self._attempt_to_invalidate_cache(
"get_current_state_ids", (room_id,),
)
def _attempt_to_invalidate_cache(self, cache_name, key):
"""Attempts to invalidate the cache of the given name, ignoring if the
cache doesn't exist. Mainly used for invalidating caches on workers,
where they may not have the cache.
Args:
cache_name (str)
key (tuple)
"""
try:
getattr(self, cache_name).invalidate(key)
except AttributeError:
# We probably haven't pulled in the cache in this worker,
# which is fine.
pass
def _send_invalidation_to_replication(self, txn, cache_name, keys):
"""Notifies replication that given cache has been invalidated.