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Merge pull request #739 from matrix-org/erikj/cache_get_state_groups_for_groups

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Add cache to _get_state_groups_from_groups
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Erik Johnston 2016-04-19 17:37:19 +01:00
commit eab47ea1e5
1 changed files with 16 additions and 3 deletions
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19
synapse/storage/state.py
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@ -174,6 +174,12 @@ class StateStore(SQLBaseStore):
return [r[0] for r in results]
return self.runInteraction("get_current_state_for_key", f)
@cached(num_args=2, lru=True, max_entries=1000)
def _get_state_group_from_group(self, group, types):
raise NotImplementedError()
@cachedList(cached_method_name="_get_state_group_from_group",
list_name="groups", num_args=2, inlineCallbacks=True)
def _get_state_groups_from_groups(self, groups, types):
"""Returns dictionary state_group -> (dict of (type, state_key) -> event id)
"""
@ -201,18 +207,23 @@ class StateStore(SQLBaseStore):
txn.execute(sql, args)
rows = self.cursor_to_dict(txn)
results = {}
results = {group: {} for group in groups}
for row in rows:
key = (row["type"], row["state_key"])
results.setdefault(row["state_group"], {})[key] = row["event_id"]
results[row["state_group"]][key] = row["event_id"]
return results
results = {}
chunks = [groups[i:i + 100] for i in xrange(0, len(groups), 100)]
for chunk in chunks:
return self.runInteraction(
res = yield self.runInteraction(
"_get_state_groups_from_groups",
f, chunk
)
results.update(res)
defer.returnValue(results)
@defer.inlineCallbacks
def get_state_for_events(self, event_ids, types):
@ -359,6 +370,8 @@ class StateStore(SQLBaseStore):
a `state_key` of None matches all state_keys. If `types` is None then
all events are returned.
"""
if types:
types = frozenset(types)
results = {}
missing_groups = []
if types is not None: