503 errors during haproxy scale up events

Solution In Progress - Updated -

Issue

  • When an application auto-scales up to 3 gears, 503 errors are returned:

    Started POST "/broker/rest/domains/demo/applications/exampleapp/events" for 127.0.0.1 at 2013-10-03 15:48:53 +0200
    Processing by AppEventsController#create as JSON
      Parameters: {"broker_auth_key"=>"...", "broker_auth_iv"=>"...", "event"=>"scale-up", "domain_id"=>"demo", "application_id"=>"app"}
    Completed 503 Service Unavailable in 50052ms (Views: 0.7ms)
    
  • Broker api times out and throws 503 errors after 50000ms on a HAProxy scale up event

Environment

  • OpenShift Enterprise 1.2
  • OpenShift Enterprise 2.0, 2.1

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