When we want to take an upstream server down for maintenance, we need to do it gradually.

Ideally, we would mark it down, and it would stop accepting new connections but would continue service active users (using ip_hash). We could then see when the upstream server is no longer serving requests and make changes to it before bringing it back up.

If I mark an upstream server as down, reload the nginx upstream configuration, will all users with an ip_hash for that server immediately be routed to another server?

Rob

It appears no one is checking these topics or I described it wrong.

Does nginx support gradually bringing down an upstream server?



Edited 1 time(s). Last edit at 09/02/2011 01:38PM by rob@hixfamily.org.

If you use the down parameter and restat nginx, all connections being served by the upstream server are dropped.

So it appears that nginx cannot handle quiescing connections.