4 ms·
One of my favorite career moments was the time I tossed up a Varnish instance in a different data center than the site it cached, then used grace mode plus DNS
by insensible 8y ago
One of my favorite career moments was the time I tossed up a Varnish instance in a different data center than the site it cached, then used grace mode plus DNS Made Easy's failover to get a significant degree of georedundancy.
There have been multiple outages that nobody noticed, some of them hours long. Usually the backend is the one to fail, so more than 90% of end user page loads are straight from RAM nearly all the time. And it costs $20/month or so.