Attempting to save a large page with many links fails, every time, with the following message;
Our servers are currently experiencing a technical problem. This is probably temporary and should be fixed soon.
Please try again in a few minutes.
If you report this error to the Wikimedia System Administrators, please include the details below.
Request from 10.20.0.108 via cp1068 cp1068 ([10.64.0.105]:3128), Varnish XID 2685634291
Forwarded for: <local Ip address>, 10.20.0.166, 10.20.0.166, 10.20.0.108
Error: 503, Service Unavailable at Sat, 23 Jan 2016 23:34:20 GMT