Merge "Set default heartbeat_rate to 3"

oslo_messaging/_drivers/impl_rabbit.py

@@ -211,7 +211,7 @@ rabbit_opts = [
                "considered down if heartbeat's keep-alive fails "
                "(0 disables heartbeat)."),
     cfg.IntOpt('heartbeat_rate',
-               default=2,
+               default=3,
                help='How often times during the heartbeat_timeout_threshold '
                'we check the heartbeat.'),
     cfg.BoolOpt('direct_mandatory_flag',

releasenotes/notes/heartbeat-rate-3-7ada9edbccc11a3f.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Change heartbeat_rate default from 2 to 3 in order to send AMQP heartbeat
+    frames at correct interval