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authorErik Johnston <erik@matrix.org>2021-04-08 18:05:35 +0100
committerErik Johnston <erik@matrix.org>2021-04-08 18:05:35 +0100
commitbe0e722fe1296aadac4771e75c73fd96ae350689 (patch)
treeea8f46bd7f51600e8193b92b7aa2e0629be2dc93 /synapse
parentPut opencontainers labels to the final image (#9765) (diff)
parentFix sharded federation sender sometimes using 100% CPU. (diff)
downloadsynapse-be0e722fe1296aadac4771e75c73fd96ae350689.tar.xz
Merge branch 'erikj/fix_stalled_catchup' into develop
Diffstat (limited to 'synapse')
-rw-r--r--synapse/federation/sender/__init__.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py
index 98bfce22ff..d821dcbf6a 100644
--- a/synapse/federation/sender/__init__.py
+++ b/synapse/federation/sender/__init__.py
@@ -734,16 +734,18 @@ class FederationSender(AbstractFederationSender):
                 self._catchup_after_startup_timer = None
                 break
 
+            last_processed = destinations_to_wake[-1]
+
             destinations_to_wake = [
                 d
                 for d in destinations_to_wake
                 if self._federation_shard_config.should_handle(self._instance_name, d)
             ]
 
-            for last_processed in destinations_to_wake:
+            for destination in destinations_to_wake:
                 logger.info(
                     "Destination %s has outstanding catch-up, waking up.",
                     last_processed,
                 )
-                self.wake_destination(last_processed)
+                self.wake_destination(destination)
                 await self.clock.sleep(CATCH_UP_STARTUP_INTERVAL_SEC)