appservers are not removed from rotation if they still answer on http, even if they are failing all the time

Bug #392371 reported by Robert Collins
10
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Launchpad itself
Triaged
High
Unassigned

Bug Description

We have appservers die from time to time. Sometimes they die and stop
listening or accepting connections. Sometimes they die and start giving
lots of timeouts - but at an http level they are answering requests.

The latter behaviour is still a down server, and our load balancing
environment should detect this (by looking for runs of 500s or something
similar)

More info: https://lists.ubuntu.com/mailman/private/launchpad/2009-June/043920.html

affects: launchpad → launchpad-foundations
Changed in launchpad-foundations:
status: New → Triaged
Changed in launchpad-foundations:
importance: Undecided → High
description: updated
tags: added: infrastructure
summary: - appservers are not removed from rotation properly
+ appservers are not removed from rotation if they still answer on http,
+ even if they are failing all the time
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