By Rufus Tang
So far we have a Varnish droplet to serve as a load balancer to 2 Nginx droplets. And, we use asw s3 to store all the uploaded media files. Varnish droplet direct all logged in users(wp-admin) to the first Nginx droplet (we call it master droplet). The problem now if we made change to master droplet(for example: code deployment, new sub site registration), it doesn’t sync to the other Nignx droplet.
What is the best way to keep those Nginx in sync?
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Please don’t duplicate your posts. <a href=“https://www.digitalocean.com/community/articles/how-to-configure-a-clustered-web-server-with-varnish-and-nginx-on-ubuntu-13-10”>https://www.digitalocean.com/community/articles/how-to-configure-a-clustered-web-server-with-varnish-and-nginx-on-ubuntu-13-10</a>
@kamal - the answer you’re linking to does not cover actual syncing of content between the servers.
@tangrufus - I’d go with lsyncd (or even simpler, rsync on a cron schedule)
http://tjstein.com/articles/live-data-replication-using-lsyncd/
Cheers, ~Dave
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