I have load balancer for my Rails servers (about 5 servers),
That is user won't access the same server next time when user comes back.
How can I share the session information so that user won't have to login again.
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Duplicate of http://stackoverflow.com/questions/104837/rails-sessions-over-servers – Max Williams Aug 17 '15 at 15:14
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You create and manage to share HTTP cookie (same domain, right?) between all available servers that have a Rails app up and running. The cookie references to session_id you store in shared database or key/value storage every application has an access to.
The best load balancing mechanism is where you can do Road-Robin and don't use Sticky Sessions. In that case any of app server can go down for maintenance without interrupt users requests.
Anatoly
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did you mean i don't need to do an extra work. if i put all the web server under the same domain, that is, all the servers should be accessed be the same domain ? OR if i need to create an extra server to store session, how could i do with Rails, any keyword for me to search ? thanks – newBike Aug 20 '15 at 00:31
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@newBike you move session to shared storage accessible from each your application server. Apart from that no extra work required. – Anatoly Aug 20 '15 at 06:54