Test wiki occasional error 503 backend read error

Occasionally still getting a 503 backend read error from the test wiki:
     http://docs.webplatform.org/test/Special:Random

Then you reload the page and it's okay.  Example:
     Error 503 backend read error
     backend read error
     Guru Meditation:
     XID: 2527556883
     Varnish cache server

Received on Saturday, 18 January 2014 03:43:30 UTC