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authorErik Johnston <erik@matrix.org>2016-01-29 14:49:11 +0000
committerErik Johnston <erik@matrix.org>2016-01-29 14:49:11 +0000
commit3d60686c0ceeb88c4f6269110e92dc0c7bf5a3b6 (patch)
treed8aaadc04321a700a49f27c2f75e2138b9e9bb58 /synapse/storage/__init__.py
parentMax is not a function (diff)
downloadsynapse-3d60686c0ceeb88c4f6269110e92dc0c7bf5a3b6.tar.xz
Actually use cache
Diffstat (limited to 'synapse/storage/__init__.py')
-rw-r--r--synapse/storage/__init__.py20
1 files changed, 13 insertions, 7 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 4d374a8b07..957fff3c23 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -120,26 +120,26 @@ class DataStore(RoomMemberStore, RoomStore,
         self._push_rules_enable_id_gen = IdGenerator("push_rules_enable", "id", self)
 
         events_max = self._stream_id_gen.get_max_token(None)
-        event_cache_prefill = self._get_cache_dict(
+        event_cache_prefill, min_event_val = self._get_cache_dict(
             db_conn, "events",
             entity_column="room_id",
             stream_column="stream_ordering",
             max_value=events_max,
         )
         self._events_stream_cache = StreamChangeCache(
-            "EventsRoomStreamChangeCache", events_max,
+            "EventsRoomStreamChangeCache", min_event_val,
             prefilled_cache=event_cache_prefill,
         )
 
         account_max = self._account_data_id_gen.get_max_token(None)
-        account_cache_prefill = self._get_cache_dict(
+        account_cache_prefill, min_acc_val = self._get_cache_dict(
             db_conn, "account_data",
             entity_column="user_id",
             stream_column="stream_id",
             max_value=account_max,
         )
         self._account_data_stream_cache = StreamChangeCache(
-            "AccountDataAndTagsChangeCache", account_max,
+            "AccountDataAndTagsChangeCache", min_acc_val,
             prefilled_cache=account_cache_prefill,
         )
 
@@ -151,7 +151,6 @@ class DataStore(RoomMemberStore, RoomStore,
             " WHERE %(stream)s > ? - 100000"
             " GROUP BY %(entity)s"
             " ORDER BY MAX(%(stream)s) DESC"
-            " LIMIT 10000"
         ) % {
             "table": table,
             "entity": entity_column,
@@ -164,11 +163,18 @@ class DataStore(RoomMemberStore, RoomStore,
         txn.execute(sql, (int(max_value),))
         rows = txn.fetchall()
 
-        return {
-            row[0]: row[1]
+        cache = {
+            row[0]: int(row[1])
             for row in rows
         }
 
+        if cache:
+            min_val = min(cache.values())
+        else:
+            min_val = max_value
+
+        return cache, min_val
+
     @defer.inlineCallbacks
     def insert_client_ip(self, user, access_token, ip, user_agent):
         now = int(self._clock.time_msec())