From f60218ec412dd9ef13768d7c216da982f5eb6870 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 13 Jul 2017 11:23:53 +0100
Subject: [PATCH] Push: Don't acquire lock unless necessary
---
synapse/push/bulk_push_rule_evaluator.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index 803ac3e75b..f304f4daf2 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -213,6 +213,10 @@ class RulesForRoom(object):
"""
state_group = context.state_group
+ if state_group and self.state_group == state_group:
+ logger.debug("Using cached rules for %r", self.room_id)
+ defer.returnValue(self.rules_by_user)
+
with (yield self.linearizer.queue(())):
if state_group and self.state_group == state_group:
logger.debug("Using cached rules for %r", self.room_id)
--
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