Redis sse namespace entries won't be deleted if the ServerEventClient crashed

[mythz]

The SSE client will stop sending heartbeats which eventually expire the subscription on the server who removes it from Redis. But the Redis metadata wont be removed if the SSE Server crashes.

Please see this answer/thread on using the IServerEvents.Reset() API to clear out Redis metadata entries on AppHost Start.

SSE is bringing IIS to it's knees and locking forcing reboots

The sse:id collection is for every unique SSE subscription created when clients connect or reconnect to the SSE /event-stream. They’re normally cleaned up as part of the normal operation as client connections are dropped off but if the AppDomain recycles they may not get a chance to remove themselves. There is a Reset() API on IServerEvents you can use to flush all local connections and Redis SSE metadata subscriptions: container.Resolve<IServerEvents>().Reset(); You can try creating a Servic…

Also you may want to upgrade to v5.1.1 on MyGet as it fixes a potential locking and memory leak issue.