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-rw-r--r--synapse/handlers/user_directory.py7
-rw-r--r--synapse/storage/devices.py45
-rw-r--r--synapse/storage/schema/delta/42/device_list_last_id.sql33
3 files changed, 72 insertions, 13 deletions
diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py
index 0182cf86d6..4e568de8c4 100644
--- a/synapse/handlers/user_directory.py
+++ b/synapse/handlers/user_directory.py
@@ -130,8 +130,15 @@ class UserDirectoyHandler(object):
         # We process by going through each existing room at a time.
         room_ids = yield self.store.get_all_rooms()
 
+        logger.info("Doing initial update of user directory. %d rooms", len(room_ids))
+        num_processed_rooms = 1
+
         for room_id in room_ids:
+            logger.info("Handling room %d/%d", num_processed_rooms, len(room_ids))
             yield self._handle_intial_room(room_id)
+            num_processed_rooms += 1
+
+        logger.info("Processed all rooms.")
 
         self.initially_handled_users = None
 
diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py
index d9936c88bb..bb27fd1f70 100644
--- a/synapse/storage/devices.py
+++ b/synapse/storage/devices.py
@@ -368,7 +368,7 @@ class DeviceStore(SQLBaseStore):
 
         prev_sent_id_sql = """
             SELECT coalesce(max(stream_id), 0) as stream_id
-            FROM device_lists_outbound_pokes
+            FROM device_lists_outbound_last_success
             WHERE destination = ? AND user_id = ? AND stream_id <= ?
         """
 
@@ -510,32 +510,43 @@ class DeviceStore(SQLBaseStore):
         )
 
     def _mark_as_sent_devices_by_remote_txn(self, txn, destination, stream_id):
-        # First we DELETE all rows such that only the latest row for each
-        # (destination, user_id is left. We do this by selecting first and
-        # deleting.
+        # We update the device_lists_outbound_last_success with the successfully
+        # poked users. We do the join to see which users need to be inserted and
+        # which updated.
         sql = """
-            SELECT user_id, coalesce(max(stream_id), 0) FROM device_lists_outbound_pokes
-            WHERE destination = ? AND stream_id <= ?
+            SELECT user_id, coalesce(max(o.stream_id), 0), (max(s.stream_id) IS NOT NULL)
+            FROM device_lists_outbound_pokes as o
+            LEFT JOIN device_lists_outbound_last_success as s
+                USING (destination, user_id)
+            WHERE destination = ? AND o.stream_id <= ?
             GROUP BY user_id
-            HAVING count(*) > 1
         """
         txn.execute(sql, (destination, stream_id,))
         rows = txn.fetchall()
 
         sql = """
-            DELETE FROM device_lists_outbound_pokes
-            WHERE destination = ? AND user_id = ? AND stream_id < ?
+            UPDATE device_lists_outbound_last_success
+            SET stream_id = ?
+            WHERE destination = ? AND user_id = ?
         """
         txn.executemany(
-            sql, ((destination, row[0], row[1],) for row in rows)
+            sql, ((row[1], destination, row[0],) for row in rows if row[2])
         )
 
-        # Mark everything that is left as sent
         sql = """
-            UPDATE device_lists_outbound_pokes SET sent = ?
+            INSERT INTO device_lists_outbound_last_success
+            (destination, user_id, stream_id) VALUES (?, ?, ?)
+        """
+        txn.executemany(
+            sql, ((destination, row[0], row[1],) for row in rows if not row[2])
+        )
+
+        # Delete all sent outbound pokes
+        sql = """
+            DELETE FROM device_lists_outbound_pokes
             WHERE destination = ? AND stream_id <= ?
         """
-        txn.execute(sql, (True, destination, stream_id,))
+        txn.execute(sql, (destination, stream_id,))
 
     @defer.inlineCallbacks
     def get_user_whose_devices_changed(self, from_key):
@@ -670,6 +681,14 @@ class DeviceStore(SQLBaseStore):
                 )
             )
 
+            # Since we've deleted unsent deltas, we need to remove the entry
+            # of last successful sent so that the prev_ids are correctly set.
+            sql = """
+                DELETE FROM device_lists_outbound_last_success
+                WHERE destination = ? AND user_id = ?
+            """
+            txn.executemany(sql, ((row[0], row[1]) for row in rows))
+
             logger.info("Pruned %d device list outbound pokes", txn.rowcount)
 
         return self.runInteraction(
diff --git a/synapse/storage/schema/delta/42/device_list_last_id.sql b/synapse/storage/schema/delta/42/device_list_last_id.sql
new file mode 100644
index 0000000000..9ab8c14fa3
--- /dev/null
+++ b/synapse/storage/schema/delta/42/device_list_last_id.sql
@@ -0,0 +1,33 @@
+/* Copyright 2017 Vector Creations Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+-- Table of last stream_id that we sent to destination for user_id. This is
+-- used to fill out the `prev_id` fields of outbound device list updates.
+CREATE TABLE device_lists_outbound_last_success (
+    destination TEXT NOT NULL,
+    user_id TEXT NOT NULL,
+    stream_id BIGINT NOT NULL
+);
+
+INSERT INTO device_lists_outbound_last_success
+    SELECT destination, user_id, coalesce(max(stream_id), 0) as stream_id
+        FROM device_lists_outbound_pokes
+        WHERE sent = (1 = 1)  -- sqlite doesn't have inbuilt boolean values
+        GROUP BY destination, user_id;
+
+CREATE INDEX device_lists_outbound_last_success_idx ON device_lists_outbound_last_success(
+    destination, user_id, stream_id
+);