1 files changed, 11 insertions, 2 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 128926e719..6793f9b6c6 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -341,14 +341,23 @@ class FederationHandler(BaseHandler):
)
with logcontext.nested_logging_context(p):
- state, got_auth_chain = (
+ # XXX if any of the missing prevs share missing state or auth
+ # events, we'll end up requesting those missing events for
+ # *each* missing prev, contributing to the hammering of /event
+ # as per https://github.com/matrix-org/synapse/issues/2164.
+ remote_state, got_auth_chain = (
yield self.federation_client.get_state_for_room(
origin, room_id, p,
)
)
+
+ # XXX hrm I'm not convinced that duplicate events will compare
+ # for equality, so I'm not sure this does what the author
+ # hoped.
auth_chains.update(got_auth_chain)
+
state_group = {
- (x.type, x.state_key): x.event_id for x in state
+ (x.type, x.state_key): x.event_id for x in remote_state
}
state_groups.append(state_group)
|