Multiple failoverNodes

[Deepthi Komatineni]

Hi,

Can there be multiple failover nodes setup in case of sticky/non-sticky sessions?

I.e., if there are 4 nodes I would like to have each node have more than 1 fail over node, so that when a rolling restart is done during deployments on 2 nodes at a time there will not be any session loss. As the 2 nodes that are picked at a time could be the primary & secondary nodes for a particular session and hence will result in session loss if restarted.

Is there a configuration that allows us to set the number of fail over nodes/levels in case of both sticky/non-sticky sessions?

Regards,

Deepthi

[Daniel Ellis]

I think your question is missing some details.  For instance, what do you mean sessions?  Web sessions?  Cookies?

Regardless, the deeper question is: what tooling are you using to manage your clustering / failover behavior?  I'm guessing your questions would be more appropriate for that group.

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[deepthi.k999]

Hi Daniel,

We use AEM installed on Tomcat with memcache. I am refering to web sessions in my question below.

The failover setup is as per industry standard. My question is more around session management between Tomcat and Memcache configuration and not on the general failover setup.

Regards

Deepthi

Sent from my Samsung Galaxy smartphone.

[Brian Moon]

Memcached itself does not handle any fail over. Whatever is handling the
fail over you speak of, is in the client library used by Tomcat or in
the session handling code in Tomcat. It is not part of memcached.

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