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authorAmber Brown <hawkowl@atleastfornow.net>2019-03-27 02:49:28 +1100
committerGitHub <noreply@github.com>2019-03-27 02:49:28 +1100
commit903f04c21fec3bbc1337bc9552f223e17b87f6bf (patch)
tree9e6e9fd12d4c8c293605126b3eaf7a14035e96e6 /synapse
parentMake federation endpoints more tolerant of trailing slashes v2 (#4935) (diff)
downloadsynapse-903f04c21fec3bbc1337bc9552f223e17b87f6bf.tar.xz
Use the state event amount for userdir import batching, not room count (#4944)
Diffstat (limited to 'synapse')
-rw-r--r--synapse/storage/user_directory.py28
1 files changed, 20 insertions, 8 deletions
diff --git a/synapse/storage/user_directory.py b/synapse/storage/user_directory.py
index 65bdb1b4a5..4d60a5726f 100644
--- a/synapse/storage/user_directory.py
+++ b/synapse/storage/user_directory.py
@@ -135,7 +135,12 @@ class UserDirectoryStore(StateDeltasStore, BackgroundUpdateStore):
 
     @defer.inlineCallbacks
     def _populate_user_directory_process_rooms(self, progress, batch_size):
-
+        """
+        Args:
+            progress (dict)
+            batch_size (int): Maximum number of state events to process
+                per cycle.
+        """
         state = self.hs.get_state_handler()
 
         # If we don't have progress filed, delete everything.
@@ -143,13 +148,14 @@ class UserDirectoryStore(StateDeltasStore, BackgroundUpdateStore):
             yield self.delete_all_from_user_dir()
 
         def _get_next_batch(txn):
+            # Only fetch 250 rooms, so we don't fetch too many at once, even
+            # if those 250 rooms have less than batch_size state events.
             sql = """
-                SELECT room_id FROM %s
+                SELECT room_id, events FROM %s
                 ORDER BY events DESC
-                LIMIT %s
+                LIMIT 250
             """ % (
                 TEMP_TABLE + "_rooms",
-                str(batch_size),
             )
             txn.execute(sql)
             rooms_to_work_on = txn.fetchall()
@@ -157,8 +163,6 @@ class UserDirectoryStore(StateDeltasStore, BackgroundUpdateStore):
             if not rooms_to_work_on:
                 return None
 
-            rooms_to_work_on = [x[0] for x in rooms_to_work_on]
-
             # Get how many are left to process, so we can give status on how
             # far we are in processing
             txn.execute("SELECT COUNT(*) FROM " + TEMP_TABLE + "_rooms")
@@ -180,7 +184,9 @@ class UserDirectoryStore(StateDeltasStore, BackgroundUpdateStore):
             % (len(rooms_to_work_on), progress["remaining"])
         )
 
-        for room_id in rooms_to_work_on:
+        processed_event_count = 0
+
+        for room_id, event_count in rooms_to_work_on:
             is_in_room = yield self.is_host_joined(room_id, self.server_name)
 
             if is_in_room:
@@ -247,7 +253,13 @@ class UserDirectoryStore(StateDeltasStore, BackgroundUpdateStore):
                 progress,
             )
 
-        defer.returnValue(len(rooms_to_work_on))
+            processed_event_count += event_count
+
+            if processed_event_count > batch_size:
+                # Don't process any more rooms, we've hit our batch size.
+                defer.returnValue(processed_event_count)
+
+        defer.returnValue(processed_event_count)
 
     @defer.inlineCallbacks
     def _populate_user_directory_process_users(self, progress, batch_size):