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authorErik Johnston <erik@matrix.org>2016-08-30 15:39:50 +0100
committerErik Johnston <erik@matrix.org>2016-08-30 15:39:50 +0100
commit21b977ccfe11832aa1c7b448c6e657cf0df36ad4 (patch)
tree970b0d8cbab758ee4ec86cb2d7a1636b2d14e876 /synapse/handlers/presence.py
parentMerge pull request #1051 from matrix-org/erikj/fix_push_names (diff)
downloadsynapse-21b977ccfe11832aa1c7b448c6e657cf0df36ad4.tar.xz
Occaisonally persist unpersisted presence updates
Diffstat (limited to 'synapse/handlers/presence.py')
-rw-r--r--synapse/handlers/presence.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 73752b2f89..a3c7952a4c 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -191,6 +191,13 @@ class PresenceHandler(object):
             5000,
         )
 
+        self.clock.call_later(
+            60,
+            self.clock.looping_call,
+            self._persist_unpersisted_changes,
+            60 * 1000,
+        )
+
         metrics.register_callback("wheel_timer_size", lambda: len(self.wheel_timer))
 
     @defer.inlineCallbacks
@@ -217,6 +224,27 @@ class PresenceHandler(object):
         logger.info("Finished _on_shutdown")
 
     @defer.inlineCallbacks
+    def _persist_unpersisted_changes(self):
+        """We periodically persist the unpersisted changes, as otherwise they
+        may stack up and slow down shutdown times.
+        """
+        logger.info(
+            "Performing _persist_unpersisted_changes. Persiting %d unpersisted changes",
+            len(self.user_to_current_state)
+        )
+
+        unpersisted = self.unpersisted_users_changes
+        self.unpersisted_users_changes = set()
+
+        if self.unpersisted_users_changes:
+            yield self.store.update_presence([
+                self.user_to_current_state[user_id]
+                for user_id in unpersisted
+            ])
+
+        logger.info("Finished _persist_unpersisted_changes")
+
+    @defer.inlineCallbacks
     def _update_states(self, new_states):
         """Updates presence of users. Sets the appropriate timeouts. Pokes
         the notifier and federation if and only if the changed presence state